﻿/*
 * jQuery BBQ: Back Button & Query Library - v1.0.2 - 10/10/2009
 * http://benalman.com/projects/jquery-bbq-plugin/
 * 
 * Copyright (c) 2009 "Cowboy" Ben Alman
 * Licensed under the MIT license
 * http://benalman.com/about/license/
 */
(function($,c){var g,k=document.location,i=Array.prototype.slice,E=decodeURIComponent,a=$.param,m,d,p,n=$.bbq=$.bbq||{},o,e,z,b="hashchange",v="querystring",y="fragment",q="hash",x="elemUrlAttr",h="href",D="src",C=$.browser,l=C.msie&&C.version<8,j="on"+b in c&&!l,r=/^.*\?|#.*$/g,A=/^.*\#/,t={};function s(F){return typeof F==="string"}function w(G){var F=i.call(arguments,1);return function(){return G.apply(this,F.concat(i.call(arguments)))}}function f(G,O,F,H,K){var M,L,J,N,I;if(H!==g){J=F.match(G?/^([^#]*)\#?(.*)$/:/^([^#?]*)\??([^#]*)(#?.*)/);I=J[3]||"";if(K===2&&s(H)){L=H.replace(O,"")}else{N=d(J[2]);H=s(H)?d[G?y:v](H):H;L=K===2?H:K===1?$.extend({},H,N):$.extend({},N,H);L=a(L)}M=J[1]+(G?"#":L||!J[1]?"?":"")+L+I}else{if(F){M=F.replace(O,"")}else{M=G?k[q]?k[h].replace(O,""):"":k.search.replace(/^\??/,"")}}return M}a[v]=w(f,0,r);a[y]=m=w(f,1,A);$.deparam=d=function(I,G){var H={},F={"true":!0,"false":!1,"null":null};$.each(I.replace(/\+/g," ").split("&"),function(M,O){var L=O.split("="),P=E(L[0]),K,Q=H,N=0,R=P.split("]["),J=R.length-1;if(/\[/.test(R[0])&&/\]$/.test(R[J])){R[J]=R[J].replace(/\]$/,"");R=R.shift().split("[").concat(R);J=R.length-1}else{J=0}if(L.length===2){K=E(L[1]);if(G){K=K&&!isNaN(K)?+K:K==="undefined"?g:F[K]!==g?F[K]:K}if(J){for(;N<=J;N++){P=R[N]===""?Q.length:R[N];Q=Q[P]=N<J?Q[P]||(R[N+1]&&isNaN(R[N+1])?{}:[]):K}}else{if($.isArray(H[P])){H[P].push(K)}else{if(H[P]!==g){H[P]=[H[P],K]}else{H[P]=K}}}}else{if(P){H[P]=G?g:""}}});return H};function u(I,H,G,F){if(G===g||typeof G==="boolean"){F=G;G=a[I]()}else{G=s(G)?G.replace(H,""):G}return d(G,F)}d[v]=w(u,v,r);d[y]=p=w(u,y,A);$[x]||($[x]=function(F){return $.extend(t,F)})({a:h,base:h,iframe:D,img:D,input:D,form:"action",link:h,script:D});e=$[x];function B(I,F,H,G){if(!s(H)&&typeof H!=="object"){G=H;H=F;F=g}return this.each(function(){var L=$(this),J=F||e()[(this.nodeName||"").toLowerCase()]||"",K=J&&L.attr(J)||"";L.attr(J,a[I](K,H,G))})}$.fn[v]=w(B,v);$.fn[y]=w(B,y);n.pushState=o=function(I,H){if(s(I)&&/^#/.test(I)&&H===g){H=2}var G=I!==g,F=m(k[h],G?I:{},G?H:2);k[h]=F+(/#/.test(F)?"":"#")};n.getState=function(G,F){return G===g||typeof G==="boolean"?p(G):p(F)[G]};n.pollDelay=100;$.event.special[b]={setup:function(){if(j){return false}z.start()},teardown:function(){if(j){return false}z.stop()},add:function(F,H,G){return function(J){var I=J[y]=m();J.getState=function(L,K){return L===g||typeof L==="boolean"?d(I,L):d(I,K)[L]};F.apply(this,arguments)}}};z=(function(){var G={},K,F,H,J;function I(){H=J=function(L){return L};if(l){F=$('<iframe src="javascript:0"/>').hide().appendTo("body")[0].contentWindow;J=function(){return F.document.location[q].replace(/^#/,"")};H=function(N,L){if(N!==L){var M=F.document;M.open();M.close();M.location[q]="#"+N}};H(m())}}G.start=function(){if(K){return}var M=m();H||I();(function L(){var O=m(),N=J(M);if(O!==M){H(M=O,N);$(c).trigger(b)}else{if(N!==M){o("#"+N)}}K=setTimeout(L,n.pollDelay)})()};G.stop=function(){if(!F){K&&clearTimeout(K);K=0}};return G})()})(jQuery,this);

/**
 * Cookie plugin
 *
 * Copyright (c) 2006 Klaus Hartl (stilbuero.de)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 */

/**
 * Create a cookie with the given name and value and other optional parameters.
 *
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Set the value of a cookie.
 * @example $.cookie('the_cookie', 'the_value', { expires: 7, path: '/', domain: 'jquery.com', secure: true });
 * @desc Create a cookie with all available options.
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Create a session cookie.
 * @example $.cookie('the_cookie', null);
 * @desc Delete a cookie by passing null as value. Keep in mind that you have to use the same path and domain
 *       used when the cookie was set.
 *
 * @param String name The name of the cookie.
 * @param String value The value of the cookie.
 * @param Object options An object literal containing key/value pairs to provide optional cookie attributes.
 * @option Number|Date expires Either an integer specifying the expiration date from now on in days or a Date object.
 *                             If a negative value is specified (e.g. a date in the past), the cookie will be deleted.
 *                             If set to null or omitted, the cookie will be a session cookie and will not be retained
 *                             when the the browser exits.
 * @option String path The value of the path atribute of the cookie (default: path of page that created the cookie).
 * @option String domain The value of the domain attribute of the cookie (default: domain of page that created the cookie).
 * @option Boolean secure If true, the secure attribute of the cookie will be set and the cookie transmission will
 *                        require a secure protocol (like HTTPS).
 * @type undefined
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */

/**
 * Get the value of a cookie with the given name.
 *
 * @example $.cookie('the_cookie');
 * @desc Get the value of a cookie.
 *
 * @param String name The name of the cookie.
 * @return The value of the cookie.
 * @type String
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */
jQuery.cookie=function(name,value,options){if(typeof value!='undefined'){options=options||{};if(value===null){value='';options.expires=-1;}var expires='';if(options.expires&&(typeof options.expires=='number'||options.expires.toUTCString)){var date;if(typeof options.expires=='number'){date=new Date();date.setTime(date.getTime()+(options.expires*24*60*60*1000));}else{date=options.expires;}expires='; expires='+date.toUTCString();}var path=options.path?'; path='+(options.path):'';var domain=options.domain?'; domain='+(options.domain):'';var secure=options.secure?'; secure':'';document.cookie=[name,'=',encodeURIComponent(value),expires,path,domain,secure].join('');}else{var cookieValue=null;if(document.cookie&&document.cookie!=''){var cookies=document.cookie.split(';');for(var i=0;i<cookies.length;i++){var cookie=jQuery.trim(cookies[i]);if(cookie.substring(0,name.length+1)==(name+'=')){cookieValue=decodeURIComponent(cookie.substring(name.length+1));break;}}}return cookieValue;}};

/**
 * jQuery.ScrollTo - Easy element scrolling using jQuery.
 * Copyright (c) 2007-2009 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com
 * Dual licensed under MIT and GPL.
 * Date: 5/25/2009
 * @author Ariel Flesler
 * @version 1.4.2
 *
 * http://flesler.blogspot.com/2007/10/jqueryscrollto.html
 */
;(function(d){var k=d.scrollTo=function(a,i,e){d(window).scrollTo(a,i,e)};k.defaults={axis:'xy',duration:parseFloat(d.fn.jquery)>=1.3?0:1};k.window=function(a){return d(window)._scrollable()};d.fn._scrollable=function(){return this.map(function(){var a=this,i=!a.nodeName||d.inArray(a.nodeName.toLowerCase(),['iframe','#document','html','body'])!=-1;if(!i)return a;var e=(a.contentWindow||a).document||a.ownerDocument||a;return d.browser.safari||e.compatMode=='BackCompat'?e.body:e.documentElement})};d.fn.scrollTo=function(n,j,b){if(typeof j=='object'){b=j;j=0}if(typeof b=='function')b={onAfter:b};if(n=='max')n=9e9;b=d.extend({},k.defaults,b);j=j||b.speed||b.duration;b.queue=b.queue&&b.axis.length>1;if(b.queue)j/=2;b.offset=p(b.offset);b.over=p(b.over);return this._scrollable().each(function(){var q=this,r=d(q),f=n,s,g={},u=r.is('html,body');switch(typeof f){case'number':case'string':if(/^([+-]=)?\d+(\.\d+)?(px|%)?$/.test(f)){f=p(f);break}f=d(f,this);case'object':if(f.is||f.style)s=(f=d(f)).offset()}d.each(b.axis.split(''),function(a,i){var e=i=='x'?'Left':'Top',h=e.toLowerCase(),c='scroll'+e,l=q[c],m=k.max(q,i);if(s){g[c]=s[h]+(u?0:l-r.offset()[h]);if(b.margin){g[c]-=parseInt(f.css('margin'+e))||0;g[c]-=parseInt(f.css('border'+e+'Width'))||0}g[c]+=b.offset[h]||0;if(b.over[h])g[c]+=f[i=='x'?'width':'height']()*b.over[h]}else{var o=f[h];g[c]=o.slice&&o.slice(-1)=='%'?parseFloat(o)/100*m:o}if(/^\d+$/.test(g[c]))g[c]=g[c]<=0?0:Math.min(g[c],m);if(!a&&b.queue){if(l!=g[c])t(b.onAfterFirst);delete g[c]}});t(b.onAfter);function t(a){r.animate(g,j,b.easing,a&&function(){a.call(this,n,b)})}}).end()};k.max=function(a,i){var e=i=='x'?'Width':'Height',h='scroll'+e;if(!d(a).is('html,body'))return a[h]-d(a)[e.toLowerCase()]();var c='client'+e,l=a.ownerDocument.documentElement,m=a.ownerDocument.body;return Math.max(l[h],m[h])-Math.min(l[c],m[c])};function p(a){return typeof a=='object'?a:{top:a,left:a}}})(jQuery);

//HTML Truncator for jQuery
//by Henrik Nyh <http://henrik.nyh.se> 2008-02-28.
//Free to modify and redistribute with credit.

(function($) {

var trailing_whitespace = true;

$.fn.truncate = function(options) {

 var opts = $.extend({}, $.fn.truncate.defaults, options);
 
 $(this).each(function() {

   var content_length = $.trim(squeeze($(this).text())).length;
   if (content_length <= opts.max_length)
     return;  // bail early if not overlong

   var actual_max_length = opts.max_length - opts.more.length - 3;  // 3 for " ()"
   var truncated_node = recursivelyTruncate(this, actual_max_length);
   var full_node = $(this).hide();

   truncated_node.insertAfter(full_node);
   
   findNodeForMore(truncated_node).append(' (<a href="#show more content">'+opts.more+'</a>)');
   findNodeForLess(full_node).append(' (<a href="#show less content">'+opts.less+'</a>)');
   
   truncated_node.find('a:last').click(function() {
     truncated_node.hide(); full_node.show(); return false;
   });
   full_node.find('a:last').click(function() {
     truncated_node.show(); full_node.hide(); return false;
   });

 });
}

// Note that the " (…more)" bit counts towards the max length – so a max
// length of 10 would truncate "1234567890" to "12 (…more)".
$.fn.truncate.defaults = {
 max_length: 100,
 more: '…more',
 less: 'less'
};

function recursivelyTruncate(node, max_length) {
 return (node.nodeType == 3) ? truncateText(node, max_length) : truncateNode(node, max_length);
}

function truncateNode(node, max_length) {
 var node = $(node);
 var new_node = node.clone().empty();
 var truncatedChild;
 node.contents().each(function() {
   var remaining_length = max_length - new_node.text().length;
   if (remaining_length == 0) return;  // breaks the loop
   truncatedChild = recursivelyTruncate(this, remaining_length);
   if (truncatedChild) new_node.append(truncatedChild);
 });
 return new_node;
}

function truncateText(node, max_length) {
 var text = squeeze(node.data);
 if (trailing_whitespace)  // remove initial whitespace if last text
   text = text.replace(/^ /, '');  // node had trailing whitespace.
 trailing_whitespace = !!text.match(/ $/);
 var text = text.slice(0, max_length);
 // Ensure HTML entities are encoded
 // http://debuggable.com/posts/encode-html-entities-with-jquery:480f4dd6-13cc-4ce9-8071-4710cbdd56cb
 text = $('<div/>').text(text).html();
 return text;
}

// Collapses a sequence of whitespace into a single space.
function squeeze(string) {
 return string.replace(/\s+/g, ' ');
}

// Finds the last, innermost block-level element
function findNodeForMore(node) {
 var $node = $(node);
 var last_child = $node.children(":last");
 if (!last_child) return node;
 var display = last_child.css('display');
 if (!display || display=='inline') return $node;
 return findNodeForMore(last_child);
};

// Finds the last child if it's a p; otherwise the parent
function findNodeForLess(node) {
 var $node = $(node);
 var last_child = $node.children(":last");
 if (last_child && last_child.is('p')) return last_child;
 return node;
};

})(jQuery);


/*
 * jQuery validation plug-in 1.7
 *
 * http://bassistance.de/jquery-plugins/jquery-plugin-validation/
 * http://docs.jquery.com/Plugins/Validation
 *
 * Copyright (c) 2006 - 2008 JÃ¶rn Zaefferer
 *
 * $Id: jquery.validate.js 6403 2009-06-17 14:27:16Z joern.zaefferer $
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 */
(function($){$.extend($.fn,{validate:function(options){if(!this.length){options&&options.debug&&window.console&&console.warn("nothing selected, can't validate, returning nothing");return;}var validator=$.data(this[0],'validator');if(validator){return validator;}validator=new $.validator(options,this[0]);$.data(this[0],'validator',validator);if(validator.settings.onsubmit){this.find("input, button").filter(".cancel").click(function(){validator.cancelSubmit=true;});if(validator.settings.submitHandler){this.find("input, button").filter(":submit").click(function(){validator.submitButton=this;});}this.submit(function(event){if(validator.settings.debug)event.preventDefault();function handle(){if(validator.settings.submitHandler){if(validator.submitButton){var hidden=$("<input type='hidden'/>").attr("name",validator.submitButton.name).val(validator.submitButton.value).appendTo(validator.currentForm);}validator.settings.submitHandler.call(validator,validator.currentForm);if(validator.submitButton){hidden.remove();}return false;}return true;}if(validator.cancelSubmit){validator.cancelSubmit=false;return handle();}if(validator.form()){if(validator.pendingRequest){validator.formSubmitted=true;return false;}return handle();}else{validator.focusInvalid();return false;}});}return validator;},valid:function(){if($(this[0]).is('form')){return this.validate().form();}else{var valid=true;var validator=$(this[0].form).validate();this.each(function(){valid&=validator.element(this);});return valid;}},removeAttrs:function(attributes){var result={},$element=this;$.each(attributes.split(/\s/),function(index,value){result[value]=$element.attr(value);$element.removeAttr(value);});return result;},rules:function(command,argument){var element=this[0];if(command){var settings=$.data(element.form,'validator').settings;var staticRules=settings.rules;var existingRules=$.validator.staticRules(element);switch(command){case"add":$.extend(existingRules,$.validator.normalizeRule(argument));staticRules[element.name]=existingRules;if(argument.messages)settings.messages[element.name]=$.extend(settings.messages[element.name],argument.messages);break;case"remove":if(!argument){delete staticRules[element.name];return existingRules;}var filtered={};$.each(argument.split(/\s/),function(index,method){filtered[method]=existingRules[method];delete existingRules[method];});return filtered;}}var data=$.validator.normalizeRules($.extend({},$.validator.metadataRules(element),$.validator.classRules(element),$.validator.attributeRules(element),$.validator.staticRules(element)),element);if(data.required){var param=data.required;delete data.required;data=$.extend({required:param},data);}return data;}});$.extend($.expr[":"],{blank:function(a){return!$.trim(""+a.value);},filled:function(a){return!!$.trim(""+a.value);},unchecked:function(a){return!a.checked;}});$.validator=function(options,form){this.settings=$.extend(true,{},$.validator.defaults,options);this.currentForm=form;this.init();};$.validator.format=function(source,params){if(arguments.length==1)return function(){var args=$.makeArray(arguments);args.unshift(source);return $.validator.format.apply(this,args);};if(arguments.length>2&&params.constructor!=Array){params=$.makeArray(arguments).slice(1);}if(params.constructor!=Array){params=[params];}$.each(params,function(i,n){source=source.replace(new RegExp("\\{"+i+"\\}","g"),n);});return source;};$.extend($.validator,{defaults:{messages:{},groups:{},rules:{},errorClass:"error",validClass:"valid",errorElement:"label",focusInvalid:true,errorContainer:$([]),errorLabelContainer:$([]),onsubmit:true,ignore:[],ignoreTitle:false,onfocusin:function(element){this.lastActive=element;if(this.settings.focusCleanup&&!this.blockFocusCleanup){this.settings.unhighlight&&this.settings.unhighlight.call(this,element,this.settings.errorClass,this.settings.validClass);this.errorsFor(element).hide();}},onfocusout:function(element){if(!this.checkable(element)&&(element.name in this.submitted||!this.optional(element))){this.element(element);}},onkeyup:function(element){if(element.name in this.submitted||element==this.lastElement){this.element(element);}},onclick:function(element){if(element.name in this.submitted)this.element(element);else if(element.parentNode.name in this.submitted)this.element(element.parentNode);},highlight:function(element,errorClass,validClass){$(element).addClass(errorClass).removeClass(validClass);},unhighlight:function(element,errorClass,validClass){$(element).removeClass(errorClass).addClass(validClass);}},setDefaults:function(settings){$.extend($.validator.defaults,settings);},messages:{required:"This field is required.",remote:"Please fix this field.",email:"Please enter a valid email address.",url:"Please enter a valid URL.",date:"Please enter a valid date.",dateISO:"Please enter a valid date (ISO).",number:"Please enter a valid number.",digits:"Please enter only digits.",creditcard:"Please enter a valid credit card number.",equalTo:"Please enter the same value again.",accept:"Please enter a value with a valid extension.",maxlength:$.validator.format("Please enter no more than {0} characters."),minlength:$.validator.format("Please enter at least {0} characters."),rangelength:$.validator.format("Please enter a value between {0} and {1} characters long."),range:$.validator.format("Please enter a value between {0} and {1}."),max:$.validator.format("Please enter a value less than or equal to {0}."),min:$.validator.format("Please enter a value greater than or equal to {0}.")},autoCreateRanges:false,prototype:{init:function(){this.labelContainer=$(this.settings.errorLabelContainer);this.errorContext=this.labelContainer.length&&this.labelContainer||$(this.currentForm);this.containers=$(this.settings.errorContainer).add(this.settings.errorLabelContainer);this.submitted={};this.valueCache={};this.pendingRequest=0;this.pending={};this.invalid={};this.reset();var groups=(this.groups={});$.each(this.settings.groups,function(key,value){$.each(value.split(/\s/),function(index,name){groups[name]=key;});});var rules=this.settings.rules;$.each(rules,function(key,value){rules[key]=$.validator.normalizeRule(value);});function delegate(event){var validator=$.data(this[0].form,"validator"),eventType="on"+event.type.replace(/^validate/,"");validator.settings[eventType]&&validator.settings[eventType].call(validator,this[0]);}$(this.currentForm).validateDelegate(":text, :password, :file, select, textarea","focusin focusout keyup",delegate).validateDelegate(":radio, :checkbox, select, option","click",delegate);if(this.settings.invalidHandler)$(this.currentForm).bind("invalid-form.validate",this.settings.invalidHandler);},form:function(){this.checkForm();$.extend(this.submitted,this.errorMap);this.invalid=$.extend({},this.errorMap);if(!this.valid())$(this.currentForm).triggerHandler("invalid-form",[this]);this.showErrors();return this.valid();},checkForm:function(){this.prepareForm();for(var i=0,elements=(this.currentElements=this.elements());elements[i];i++){this.check(elements[i]);}return this.valid();},element:function(element){element=this.clean(element);this.lastElement=element;this.prepareElement(element);this.currentElements=$(element);var result=this.check(element);if(result){delete this.invalid[element.name];}else{this.invalid[element.name]=true;}if(!this.numberOfInvalids()){this.toHide=this.toHide.add(this.containers);}this.showErrors();return result;},showErrors:function(errors){if(errors){$.extend(this.errorMap,errors);this.errorList=[];for(var name in errors){this.errorList.push({message:errors[name],element:this.findByName(name)[0]});}this.successList=$.grep(this.successList,function(element){return!(element.name in errors);});}this.settings.showErrors?this.settings.showErrors.call(this,this.errorMap,this.errorList):this.defaultShowErrors();},resetForm:function(){if($.fn.resetForm)$(this.currentForm).resetForm();this.submitted={};this.prepareForm();this.hideErrors();this.elements().removeClass(this.settings.errorClass);},numberOfInvalids:function(){return this.objectLength(this.invalid);},objectLength:function(obj){var count=0;for(var i in obj)count++;return count;},hideErrors:function(){this.addWrapper(this.toHide).hide();},valid:function(){return this.size()==0;},size:function(){return this.errorList.length;},focusInvalid:function(){if(this.settings.focusInvalid){try{$(this.findLastActive()||this.errorList.length&&this.errorList[0].element||[]).filter(":visible").focus().trigger("focusin");}catch(e){}}},findLastActive:function(){var lastActive=this.lastActive;return lastActive&&$.grep(this.errorList,function(n){return n.element.name==lastActive.name;}).length==1&&lastActive;},elements:function(){var validator=this,rulesCache={};return $([]).add(this.currentForm.elements).filter(":input").not(":submit, :reset, :image, [disabled]").not(this.settings.ignore).filter(function(){!this.name&&validator.settings.debug&&window.console&&console.error("%o has no name assigned",this);if(this.name in rulesCache||!validator.objectLength($(this).rules()))return false;rulesCache[this.name]=true;return true;});},clean:function(selector){return $(selector)[0];},errors:function(){return $(this.settings.errorElement+"."+this.settings.errorClass,this.errorContext);},reset:function(){this.successList=[];this.errorList=[];this.errorMap={};this.toShow=$([]);this.toHide=$([]);this.currentElements=$([]);},prepareForm:function(){this.reset();this.toHide=this.errors().add(this.containers);},prepareElement:function(element){this.reset();this.toHide=this.errorsFor(element);},check:function(element){element=this.clean(element);if(this.checkable(element)){element=this.findByName(element.name)[0];}var rules=$(element).rules();var dependencyMismatch=false;for(method in rules){var rule={method:method,parameters:rules[method]};try{var result=$.validator.methods[method].call(this,element.value.replace(/\r/g,""),element,rule.parameters);if(result=="dependency-mismatch"){dependencyMismatch=true;continue;}dependencyMismatch=false;if(result=="pending"){this.toHide=this.toHide.not(this.errorsFor(element));return;}if(!result){this.formatAndAdd(element,rule);return false;}}catch(e){this.settings.debug&&window.console&&console.log("exception occured when checking element "+element.id
+", check the '"+rule.method+"' method",e);throw e;}}if(dependencyMismatch)return;if(this.objectLength(rules))this.successList.push(element);return true;},customMetaMessage:function(element,method){if(!$.metadata)return;var meta=this.settings.meta?$(element).metadata()[this.settings.meta]:$(element).metadata();return meta&&meta.messages&&meta.messages[method];},customMessage:function(name,method){var m=this.settings.messages[name];return m&&(m.constructor==String?m:m[method]);},findDefined:function(){for(var i=0;i<arguments.length;i++){if(arguments[i]!==undefined)return arguments[i];}return undefined;},defaultMessage:function(element,method){return this.findDefined(this.customMessage(element.name,method),this.customMetaMessage(element,method),!this.settings.ignoreTitle&&element.title||undefined,$.validator.messages[method],"<strong>Warning: No message defined for "+element.name+"</strong>");},formatAndAdd:function(element,rule){var message=this.defaultMessage(element,rule.method),theregex=/\$?\{(\d+)\}/g;if(typeof message=="function"){message=message.call(this,rule.parameters,element);}else if(theregex.test(message)){message=jQuery.format(message.replace(theregex,'{$1}'),rule.parameters);}this.errorList.push({message:message,element:element});this.errorMap[element.name]=message;this.submitted[element.name]=message;},addWrapper:function(toToggle){if(this.settings.wrapper)toToggle=toToggle.add(toToggle.parent(this.settings.wrapper));return toToggle;},defaultShowErrors:function(){for(var i=0;this.errorList[i];i++){var error=this.errorList[i];this.settings.highlight&&this.settings.highlight.call(this,error.element,this.settings.errorClass,this.settings.validClass);this.showLabel(error.element,error.message);}if(this.errorList.length){this.toShow=this.toShow.add(this.containers);}if(this.settings.success){for(var i=0;this.successList[i];i++){this.showLabel(this.successList[i]);}}if(this.settings.unhighlight){for(var i=0,elements=this.validElements();elements[i];i++){this.settings.unhighlight.call(this,elements[i],this.settings.errorClass,this.settings.validClass);}}this.toHide=this.toHide.not(this.toShow);this.hideErrors();this.addWrapper(this.toShow).show();},validElements:function(){return this.currentElements.not(this.invalidElements());},invalidElements:function(){return $(this.errorList).map(function(){return this.element;});},showLabel:function(element,message){var label=this.errorsFor(element);if(label.length){label.removeClass().addClass(this.settings.errorClass);label.attr("generated")&&label.html(message);}else{label=$("<"+this.settings.errorElement+"/>").attr({"for":this.idOrName(element),generated:true}).addClass(this.settings.errorClass).html(message||"");if(this.settings.wrapper){label=label.hide().show().wrap("<"+this.settings.wrapper+"/>").parent();}if(!this.labelContainer.append(label).length)this.settings.errorPlacement?this.settings.errorPlacement(label,$(element)):label.insertAfter(element);}if(!message&&this.settings.success){label.text("");typeof this.settings.success=="string"?label.addClass(this.settings.success):this.settings.success(label);}this.toShow=this.toShow.add(label);},errorsFor:function(element){var name=this.idOrName(element);return this.errors().filter(function(){return $(this).attr('for')==name;});},idOrName:function(element){return this.groups[element.name]||(this.checkable(element)?element.name:element.id||element.name);},checkable:function(element){return/radio|checkbox/i.test(element.type);},findByName:function(name){var form=this.currentForm;return $(document.getElementsByName(name)).map(function(index,element){return element.form==form&&element.name==name&&element||null;});},getLength:function(value,element){switch(element.nodeName.toLowerCase()){case'select':return $("option:selected",element).length;case'input':if(this.checkable(element))return this.findByName(element.name).filter(':checked').length;}return value.length;},depend:function(param,element){return this.dependTypes[typeof param]?this.dependTypes[typeof param](param,element):true;},dependTypes:{"boolean":function(param,element){return param;},"string":function(param,element){return!!$(param,element.form).length;},"function":function(param,element){return param(element);}},optional:function(element){return!$.validator.methods.required.call(this,$.trim(element.value),element)&&"dependency-mismatch";},startRequest:function(element){if(!this.pending[element.name]){this.pendingRequest++;this.pending[element.name]=true;}},stopRequest:function(element,valid){this.pendingRequest--;if(this.pendingRequest<0)this.pendingRequest=0;delete this.pending[element.name];if(valid&&this.pendingRequest==0&&this.formSubmitted&&this.form()){$(this.currentForm).submit();this.formSubmitted=false;}else if(!valid&&this.pendingRequest==0&&this.formSubmitted){$(this.currentForm).triggerHandler("invalid-form",[this]);this.formSubmitted=false;}},previousValue:function(element){return $.data(element,"previousValue")||$.data(element,"previousValue",{old:null,valid:true,message:this.defaultMessage(element,"remote")});}},classRuleSettings:{required:{required:true},email:{email:true},url:{url:true},date:{date:true},dateISO:{dateISO:true},dateDE:{dateDE:true},number:{number:true},numberDE:{numberDE:true},digits:{digits:true},creditcard:{creditcard:true}},addClassRules:function(className,rules){className.constructor==String?this.classRuleSettings[className]=rules:$.extend(this.classRuleSettings,className);},classRules:function(element){var rules={};var classes=$(element).attr('class');classes&&$.each(classes.split(' '),function(){if(this in $.validator.classRuleSettings){$.extend(rules,$.validator.classRuleSettings[this]);}});return rules;},attributeRules:function(element){var rules={};var $element=$(element);for(method in $.validator.methods){var value=$element.attr(method);if(value){rules[method]=value;}}if(rules.maxlength&&/-1|2147483647|524288/.test(rules.maxlength)){delete rules.maxlength;}return rules;},metadataRules:function(element){if(!$.metadata)return{};var meta=$.data(element.form,'validator').settings.meta;return meta?$(element).metadata()[meta]:$(element).metadata();},staticRules:function(element){var rules={};var validator=$.data(element.form,'validator');if(validator.settings.rules){rules=$.validator.normalizeRule(validator.settings.rules[element.name])||{};}return rules;},normalizeRules:function(rules,element){$.each(rules,function(prop,val){if(val===false){delete rules[prop];return;}if(val.param||val.depends){var keepRule=true;switch(typeof val.depends){case"string":keepRule=!!$(val.depends,element.form).length;break;case"function":keepRule=val.depends.call(element,element);break;}if(keepRule){rules[prop]=val.param!==undefined?val.param:true;}else{delete rules[prop];}}});$.each(rules,function(rule,parameter){rules[rule]=$.isFunction(parameter)?parameter(element):parameter;});$.each(['minlength','maxlength','min','max'],function(){if(rules[this]){rules[this]=Number(rules[this]);}});$.each(['rangelength','range'],function(){if(rules[this]){rules[this]=[Number(rules[this][0]),Number(rules[this][1])];}});if($.validator.autoCreateRanges){if(rules.min&&rules.max){rules.range=[rules.min,rules.max];delete rules.min;delete rules.max;}if(rules.minlength&&rules.maxlength){rules.rangelength=[rules.minlength,rules.maxlength];delete rules.minlength;delete rules.maxlength;}}if(rules.messages){delete rules.messages;}return rules;},normalizeRule:function(data){if(typeof data=="string"){var transformed={};$.each(data.split(/\s/),function(){transformed[this]=true;});data=transformed;}return data;},addMethod:function(name,method,message){$.validator.methods[name]=method;$.validator.messages[name]=message!=undefined?message:$.validator.messages[name];if(method.length<3){$.validator.addClassRules(name,$.validator.normalizeRule(name));}},methods:{required:function(value,element,param){if(!this.depend(param,element))return"dependency-mismatch";switch(element.nodeName.toLowerCase()){case'select':var val=$(element).val();return val&&val.length>0;case'input':if(this.checkable(element))return this.getLength(value,element)>0;default:return $.trim(value).length>0;}},remote:function(value,element,param){if(this.optional(element))return"dependency-mismatch";var previous=this.previousValue(element);if(!this.settings.messages[element.name])this.settings.messages[element.name]={};previous.originalMessage=this.settings.messages[element.name].remote;this.settings.messages[element.name].remote=previous.message;param=typeof param=="string"&&{url:param}||param;if(previous.old!==value){previous.old=value;var validator=this;this.startRequest(element);var data={};data[element.name]=value;$.ajax($.extend(true,{url:param,mode:"abort",port:"validate"+element.name,dataType:"json",data:data,success:function(response){validator.settings.messages[element.name].remote=previous.originalMessage;var valid=response===true;if(valid){var submitted=validator.formSubmitted;validator.prepareElement(element);validator.formSubmitted=submitted;validator.successList.push(element);validator.showErrors();}else{var errors={};var message=(previous.message=response||validator.defaultMessage(element,"remote"));errors[element.name]=$.isFunction(message)?message(value):message;validator.showErrors(errors);}previous.valid=valid;validator.stopRequest(element,valid);}},param));return"pending";}else if(this.pending[element.name]){return"pending";}return previous.valid;},minlength:function(value,element,param){return this.optional(element)||this.getLength($.trim(value),element)>=param;},maxlength:function(value,element,param){return this.optional(element)||this.getLength($.trim(value),element)<=param;},rangelength:function(value,element,param){var length=this.getLength($.trim(value),element);return this.optional(element)||(length>=param[0]&&length<=param[1]);},min:function(value,element,param){return this.optional(element)||value>=param;},max:function(value,element,param){return this.optional(element)||value<=param;},range:function(value,element,param){return this.optional(element)||(value>=param[0]&&value<=param[1]);},email:function(value,element){return this.optional(element)||/^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/i.test(value);},url:function(value,element){return this.optional(element)||/^(https?|ftp):\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?(((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?)(:\d*)?)(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)?(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(\#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i.test(value);},date:function(value,element){return this.optional(element)||!/Invalid|NaN/.test(new Date(value));},dateISO:function(value,element){return this.optional(element)||/^\d{4}[\/-]\d{1,2}[\/-]\d{1,2}$/.test(value);},number:function(value,element){return this.optional(element)||/^-?(?:\d+|\d{1,3}(?:,\d{3})+)(?:\.\d+)?$/.test(value);},digits:function(value,element){return this.optional(element)||/^\d+$/.test(value);},creditcard:function(value,element){if(this.optional(element))return"dependency-mismatch";if(/[^0-9-]+/.test(value))return false;var nCheck=0,nDigit=0,bEven=false;value=value.replace(/\D/g,"");for(var n=value.length-1;n>=0;n--){var cDigit=value.charAt(n);var nDigit=parseInt(cDigit,10);if(bEven){if((nDigit*=2)>9)nDigit-=9;}nCheck+=nDigit;bEven=!bEven;}return(nCheck%10)==0;},accept:function(value,element,param){param=typeof param=="string"?param.replace(/,/g,'|'):"png|jpe?g|gif";return this.optional(element)||value.match(new RegExp(".("+param+")$","i"));},equalTo:function(value,element,param){var target=$(param).unbind(".validate-equalTo").bind("blur.validate-equalTo",function(){$(element).valid();});return value==target.val();}}});$.format=$.validator.format;})(jQuery);;(function($){var ajax=$.ajax;var pendingRequests={};$.ajax=function(settings){settings=$.extend(settings,$.extend({},$.ajaxSettings,settings));var port=settings.port;if(settings.mode=="abort"){if(pendingRequests[port]){pendingRequests[port].abort();}return(pendingRequests[port]=ajax.apply(this,arguments));}return ajax.apply(this,arguments);};})(jQuery);;(function($){if(!jQuery.event.special.focusin&&!jQuery.event.special.focusout&&document.addEventListener){$.each({focus:'focusin',blur:'focusout'},function(original,fix){$.event.special[fix]={setup:function(){this.addEventListener(original,handler,true);},teardown:function(){this.removeEventListener(original,handler,true);},handler:function(e){arguments[0]=$.event.fix(e);arguments[0].type=fix;return $.event.handle.apply(this,arguments);}};function handler(e){e=$.event.fix(e);e.type=fix;return $.event.handle.call(this,e);}});};$.extend($.fn,{validateDelegate:function(delegate,type,handler){return this.bind(type,function(event){var target=$(event.target);if(target.is(delegate)){return handler.apply(target,arguments);}});}});})(jQuery);                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
jQuery.validator.addMethod("phoneUS", function(phone_number, element) {
    phone_number = phone_number.replace(/\s+/g, ""); 
	return this.optional(element) || phone_number.length > 9 &&
		phone_number.match(/^(1-?)?(\([2-9]\d{2}\)|[2-9]\d{2})-?[2-9]\d{2}-?\d{4}$/);
}, "Please specify a valid phone number.");

jQuery.validator.addMethod("valid_username", function(str, element) { 
	return this.optional(element) || str.match(/^[a-z0-9@\.\+\-\_]*$/i);
}, "Please specify a valid username: letters, digits and @/./+/-/_ only.");

jQuery.validator.addMethod("complete_url", function(val, elem) {
    // if no url, don't do anything
    if (val.length == 0) { return true; }
 
    // if user has not entered http:// https:// or ftp:// assume they mean http://
    if(!/^(https?|ftp):\/\//i.test(val)) {
        val = 'http://'+val; // set both the value
        $(elem).val(val); // also update the form element
    }
    // now check if valid url
    // http://docs.jquery.com/Plugins/Validation/Methods/url
    // contributed by Scott Gonzalez: http://projects.scottsplayground.com/iri/
    var complete_url_regex = new RegExp(/^(https?|ftp):\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&amp;'\(\)\*\+,;=]|:)*@)?(((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?)(:\d*)?)(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&amp;'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&amp;'\(\)\*\+,;=]|:|@)*)*)?)?(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&amp;'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(\#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&amp;'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i);
    return complete_url_regex.test(val);
});

jQuery.validator.addMethod("regex", function(value, element, regexp) {
    var check = false;
    var re = new RegExp(regexp);
    return this.optional(element) || re.test(value);
}, "Please check your input.");


/*
 * CSRF AJAX code from Django docs
 */
$(document).ajaxSend(function(event, xhr, settings) {
    function getCookie(name) {
        var cookieValue = null;
        if (document.cookie && document.cookie != '') {
            var cookies = document.cookie.split(';');
            for (var i = 0; i < cookies.length; i++) {
                var cookie = jQuery.trim(cookies[i]);
                // Does this cookie string begin with the name we want?
                if (cookie.substring(0, name.length + 1) == (name + '=')) {
                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                    break;
                }
            }
        }
        return cookieValue;
    }
    function sameOrigin(url) {
        // url could be relative or scheme relative or absolute
        var host = document.location.host; // host + port
        var protocol = document.location.protocol;
        var sr_origin = '//' + host;
        var origin = protocol + sr_origin;
        // Allow absolute or scheme relative URLs to same origin
        return (url == origin || url.slice(0, origin.length + 1) == origin + '/') ||
            (url == sr_origin || url.slice(0, sr_origin.length + 1) == sr_origin + '/') ||
            // or any other URL that isn't scheme relative or absolute i.e relative.
            !(/^(\/\/|http:|https:).*/.test(url));
    }
    function safeMethod(method) {
        return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method));
    }

    if (!safeMethod(settings.type) && sameOrigin(settings.url)) {
        xhr.setRequestHeader("X-CSRFToken", getCookie('csrftoken'));
    }
});

/*
 * Treeview 1.5pre - jQuery plugin to hide and show branches of a tree
 * 
 * http://bassistance.de/jquery-plugins/jquery-plugin-treeview/
 * http://docs.jquery.com/Plugins/Treeview
 *
 * Copyright (c) 2007 J√∂rn Zaefferer
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 *
 * Revision: $Id: jquery.treeview.js 5759 2008-07-01 07:50:28Z joern.zaefferer $
 *
 */

;(function($) {

	// TODO rewrite as a widget, removing all the extra plugins
	$.extend($.fn, {
		swapClass: function(c1, c2) {
			var c1Elements = this.filter('.' + c1);
			this.filter('.' + c2).removeClass(c2).addClass(c1);
			c1Elements.removeClass(c1).addClass(c2);
			return this;
		},
		replaceClass: function(c1, c2) {
			return this.filter('.' + c1).removeClass(c1).addClass(c2).end();
		},
		hoverClass: function(className) {
			className = className || "hover";
			return this.hover(function() {
				$(this).addClass(className);
			}, function() {
				$(this).removeClass(className);
			});
		},
		heightToggle: function(animated, callback) {
			animated ?
				this.animate({ height: "toggle" }, animated, callback) :
				this.each(function(){
					jQuery(this)[ jQuery(this).is(":hidden") ? "show" : "hide" ]();
					if(callback)
						callback.apply(this, arguments);
				});
		},
		heightHide: function(animated, callback) {
			if (animated) {
				this.animate({ height: "hide" }, animated, callback);
			} else {
				this.hide();
				if (callback)
					this.each(callback);				
			}
		},
		prepareBranches: function(settings) {
			if (!settings.prerendered) {
				// mark last tree items
				this.filter(":last-child:not(ul)").addClass(CLASSES.last);
				// collapse whole tree, or only those marked as closed, anyway except those marked as open
				this.filter((settings.collapsed ? "" : "." + CLASSES.closed) + ":not(." + CLASSES.open + ")").find(">ul").hide();
			}
			// return all items with sublists
			return this.filter(":has(>ul)");
		},
		applyClasses: function(settings, toggler) {
			// TODO use event delegation
			this.filter(":has(>ul):not(:has(>a))").find(">span").unbind("click.treeview").bind("click.treeview", function(event) {
				// don't handle click events on children, eg. checkboxes
				if ( this == event.target )
					toggler.apply($(this).next());
			}).add( $("a", this) ).hoverClass();
			
			if (!settings.prerendered) {
				// handle closed ones first
				this.filter(":has(>ul:hidden)")
						.addClass(CLASSES.expandable)
						.replaceClass(CLASSES.last, CLASSES.lastExpandable);
						
				// handle open ones
				this.not(":has(>ul:hidden)")
						.addClass(CLASSES.collapsable)
						.replaceClass(CLASSES.last, CLASSES.lastCollapsable);
						
	            // create hitarea if not present
				var hitarea = this.find("div." + CLASSES.hitarea);
				if (!hitarea.length)
					hitarea = this.prepend("<div class=\"" + CLASSES.hitarea + "\"/>").find("div." + CLASSES.hitarea);
				hitarea.removeClass().addClass(CLASSES.hitarea).each(function() {
					var classes = "";
					$.each($(this).parent().attr("class").split(" "), function() {
						classes += this + "-hitarea ";
					});
					$(this).addClass( classes );
				})
			}
			
			// apply event to hitarea
			this.find("div." + CLASSES.hitarea).click( toggler );
		},
		treeview: function(settings) {
			
			settings = $.extend({
				cookieId: "treeview"
			}, settings);
			
			if ( settings.toggle ) {
				var callback = settings.toggle;
				settings.toggle = function() {
					return callback.apply($(this).parent()[0], arguments);
				};
			}
		
			// factory for treecontroller
			function treeController(tree, control) {
				// factory for click handlers
				function handler(filter) {
					return function() {
						// reuse toggle event handler, applying the elements to toggle
						// start searching for all hitareas
						toggler.apply( $("div." + CLASSES.hitarea, tree).filter(function() {
							// for plain toggle, no filter is provided, otherwise we need to check the parent element
							return filter ? $(this).parent("." + filter).length : true;
						}) );
						return false;
					};
				}
				// click on first element to collapse tree
				$("a:eq(0)", control).click( handler(CLASSES.collapsable) );
				// click on second to expand tree
				$("a:eq(1)", control).click( handler(CLASSES.expandable) );
				// click on third to toggle tree
				$("a:eq(2)", control).click( handler() ); 
			}
		
			// handle toggle event
			function toggler() {
				$(this)
					.parent()
					// swap classes for hitarea
					.find(">.hitarea")
						.swapClass( CLASSES.collapsableHitarea, CLASSES.expandableHitarea )
						.swapClass( CLASSES.lastCollapsableHitarea, CLASSES.lastExpandableHitarea )
					.end()
					// swap classes for parent li
					.swapClass( CLASSES.collapsable, CLASSES.expandable )
					.swapClass( CLASSES.lastCollapsable, CLASSES.lastExpandable )
					// find child lists
					.find( ">ul" )
					// toggle them
					.heightToggle( settings.animated, settings.toggle );
				if ( settings.unique ) {
					$(this).parent()
						.siblings()
						// swap classes for hitarea
						.find(">.hitarea")
							.replaceClass( CLASSES.collapsableHitarea, CLASSES.expandableHitarea )
							.replaceClass( CLASSES.lastCollapsableHitarea, CLASSES.lastExpandableHitarea )
						.end()
						.replaceClass( CLASSES.collapsable, CLASSES.expandable )
						.replaceClass( CLASSES.lastCollapsable, CLASSES.lastExpandable )
						.find( ">ul" )
						.heightHide( settings.animated, settings.toggle );
				}
			}
			this.data("toggler", toggler);
			
			function serialize() {
				function binary(arg) {
					return arg ? 1 : 0;
				}
				var data = [];
				branches.each(function(i, e) {
					data[i] = $(e).is(":has(>ul:visible)") ? 1 : 0;
				});
				$.cookie(settings.cookieId, data.join(""), settings.cookieOptions );
			}
			
			function deserialize() {
				var stored = $.cookie(settings.cookieId);
				if ( stored ) {
					var data = stored.split("");
					branches.each(function(i, e) {
						$(e).find(">ul")[ parseInt(data[i]) ? "show" : "hide" ]();
					});
				}
			}
			
			// add treeview class to activate styles
			this.addClass("treeview");
			
			// prepare branches and find all tree items with child lists
			var branches = this.find("li").prepareBranches(settings);
			
			switch(settings.persist) {
			case "cookie":
				var toggleCallback = settings.toggle;
				settings.toggle = function() {
					serialize();
					if (toggleCallback) {
						toggleCallback.apply(this, arguments);
					}
				};
				deserialize();
				break;
			case "location":
				var current = this.find("a").filter(function() {
					return this.href.toLowerCase() == location.href.toLowerCase();
				});
				if ( current.length ) {
					// TODO update the open/closed classes
					var items = current.addClass("selected").parents("ul, li").add( current.next() ).show();
					if (settings.prerendered) {
						// if prerendered is on, replicate the basic class swapping
						items.filter("li")
							.swapClass( CLASSES.collapsable, CLASSES.expandable )
							.swapClass( CLASSES.lastCollapsable, CLASSES.lastExpandable )
							.find(">.hitarea")
								.swapClass( CLASSES.collapsableHitarea, CLASSES.expandableHitarea )
								.swapClass( CLASSES.lastCollapsableHitarea, CLASSES.lastExpandableHitarea );
					}
				}
				break;
			}
			
			branches.applyClasses(settings, toggler);
				
			// if control option is set, create the treecontroller and show it
			if ( settings.control ) {
				treeController(this, settings.control);
				$(settings.control).show();
			}
			
			return this;
		}
	});
	
	// classes used by the plugin
	// need to be styled via external stylesheet, see first example
	$.treeview = {};
	var CLASSES = ($.treeview.classes = {
		open: "open",
		closed: "closed",
		expandable: "expandable",
		expandableHitarea: "expandable-hitarea",
		lastExpandableHitarea: "lastExpandable-hitarea",
		collapsable: "collapsable",
		collapsableHitarea: "collapsable-hitarea",
		lastCollapsableHitarea: "lastCollapsable-hitarea",
		lastCollapsable: "lastCollapsable",
		lastExpandable: "lastExpandable",
		last: "last",
		hitarea: "hitarea"
	});
	
})(jQuery);
