/*indexed by category name - stores booleans true for expanded / false for collapsed*/
var menuState = {};


function getTier2PageName()
{
	var url = location.pathname;
	//'/Tier2PageName/someothername' -- return Tier2PageName
	return url.split('/')[1];
}

function initMenuState(expandedCategories) 
{
	var categories = expandedCategories.split('|');
	
	for( var i = 0; i < categories.length; i++)
	{
		var category = categories[i];
		menuState[category] = false;
	}
	
	$$('.nav_menu_header').each(function(el){
			
			var category = el.innerHTML;
			if(menuState[category] === false)
			{
				el.next().show();
				el.next().next().hide();
				el.up().next().hide();
			}
			
    });
}

function serializeMenuState (){
	
	var result ="";
	
	for ( category in menuState ){
		
		if (!menuState[ category ]) {
		   result += category + "|";	
		}
	}
	
	if (result != '') {
		result = result.substring(0, result.length - 1 );
		result = encodeURIComponent(result);
	}
	
	return result;
	
}

function setMenuCategoryState(el, state) {
	
	var category = el.up().children[0].innerHTML;
	menuState[category] = state;
}


toggleHeaderIndicator = function(event){
		if (this.children.length > 1) {
			//this.children[1].toggle();
			Element.toggle(this.children[1]);
	}
}

showHeaderIndicator = function(event){
		if (this.children.length > 1) {
			//this.children[1].toggle();
			Element.show(this.children[1]);
	}
}

hideHeaderIndicator = function(event){
		if (this.children.length > 1) {
			//this.children[1].toggle();
			Element.hide(this.children[1]);
	}
}


toggleHeaderImageOn = function(event){
	this.src = this.src.replace('.jpg', '_h.jpg');
}
toggleHeaderImageOff = function(event){
	this.src = this.src.replace('_h.jpg', '.jpg');
}


collapseMenuSection = function(event) {
		
	var plusEl =	this.previous();
		
	try {
			Element.hide(this);
			Effect.BlindUp(this.up().next(), { duration: .6,
																				  afterFinish: function() {Element.show(plusEl);}});
			setMenuCategoryState(this, false);	
	} catch (e) {
		//quietly fail - 
	}
}

expandMenuSection = function(event) {
	
	Element.hide(this);
	var minusEl = this.next();
	
	try {
		Effect.BlindDown(this.up().next(),  { duration: .6,
																				  afterFinish: function() {Element.show(minusEl);} });
		setMenuCategoryState(this, true);
	} catch (e) {
		//quietly fail -
		console.debug(e);
	}
}

collapseAllAccordianSections = function(){

	expanderEls = [];
	$$('div.accordian_expander_up').each(function(el){
        
				expanderEls.push( el );
/*				
				Element.hide(el);
				//show plus element
				Element.show(	el.previous());
				//hide body
				Element.hide( el.up().next() ); */	
    });
		
		for(i = 0; i < expanderEls.length; i++)
		{
			if(i != (expanderEls.length - 1))
			{
				var el = expanderEls[i];
				
				Element.hide(el);
				//show plus element
				Element.show(	el.previous());
				//hide body
				Element.hide( el.up().next() );
			}	
		}
}

collapseAccordianSection = function(event) {
		
		Element.hide(this);
		//show plus element
		Element.show(	this.previous());
		//hide body
		Element.hide( this.up().next() );	
			
}

expandAccordianSection = function(event) {
	
	Element.hide(this);
	//show minus element
	Element.show(	this.next());	
	//show body
	Element.show( this.up().next() );
}

document.observe("dom:loaded", function(){
    /* Add event listeners for header hover indicators*/
		$$('#home_header div').each(function(el){
        el.observe('mouseover', showHeaderIndicator);
        el.observe('mouseout', hideHeaderIndicator);
    });
		
		$$('img.tier2_header').each(function(el){
        el.observe('mouseover', toggleHeaderImageOn);
        el.observe('mouseout', toggleHeaderImageOff);
    });
		
		/* Add event listeners for category menu expansion*/
		$$('div.nav_menu_expander_up').each(function(el){
        el.observe('click', collapseMenuSection);
    });
		
		$$('div.nav_menu_expander_down').each(function(el){
        el.observe('click', expandMenuSection);
    });
		
		/* Add event listeners for accordian menu expansion*/		
		$$('div.accordian_expander_down').each(function(el){
        el.observe('click', expandAccordianSection);
    });
		
		$$('div.accordian_expander_up').each(function(el){
        el.observe('click', collapseAccordianSection);
    });
		
		
		
});


/*function taken from http://www.exit404.com/2005/57/unobtrusive-persistant-scriptaculous-effects*/
 function setCookie(name,value,days) {

  if (days) {

    var date = new Date();

    date.setTime(date.getTime()+(days*24*60*60*1000));

    var expires = ";expires="+date.toGMTString();

  } else {

    expires = "";

  }

  document.cookie = name+"="+value+expires+";path=/";

 }
  
/*function taken from http://www.exit404.com/2005/57/unobtrusive-persistant-scriptaculous-effects*/
 function readCookie(name) {

  var needle = name + "=";

  var cookieArray = document.cookie.split(';');

  for(var i=0;i <cookieArray.length;i++) {

    var pair = cookieArray[i];

    while (pair.charAt(0)==' ') {

      pair = pair.substring(1, pair.length);

    }

    if (pair.indexOf(needle) == 0) {

      return pair.substring(needle.length, pair.length);

    }

  }

  return null;

 }



// LiveValidation 1.3 (prototype.js version)
// Copyright (c) 2007-2008 Alec Hill (www.livevalidation.com)
// LiveValidation is licensed under the terms of the MIT License
var LiveValidation=Class.create();Object.extend(LiveValidation,{VERSION:"1.3 prototype",TEXTAREA:1,TEXT:2,PASSWORD:3,CHECKBOX:4,SELECT:5,FILE:6,massValidate:function(C){var D=true;for(var B=0,A=C.length;B<A;++B){var E=C[B].validate();if(D){D=E;}}return D;}});LiveValidation.prototype={validClass:"LV_valid",invalidClass:"LV_invalid",messageClass:"LV_validation_message",validFieldClass:"LV_valid_field",invalidFieldClass:"LV_invalid_field",initialize:function(B,A){if(!B){throw new Error("LiveValidation::initialize - No element reference or element id has been provided!");}this.element=$(B);if(!this.element){throw new Error("LiveValidation::initialize - No element with reference or id of '"+B+"' exists!");}this.elementType=this.getElementType();this.validations=[];this.form=this.element.form;this.options=Object.extend({validMessage:"Thankyou!",onValid:function(){this.insertMessage(this.createMessageSpan());this.addFieldClass();},onInvalid:function(){this.insertMessage(this.createMessageSpan());this.addFieldClass();},insertAfterWhatNode:this.element,onlyOnBlur:false,wait:0,onlyOnSubmit:false},A||{});var C=this.options.insertAfterWhatNode||this.element;this.options.insertAfterWhatNode=$(C);Object.extend(this,this.options);if(this.form){this.formObj=LiveValidationForm.getInstance(this.form);this.formObj.addField(this);}this.boundFocus=this.doOnFocus.bindAsEventListener(this);Event.observe(this.element,"focus",this.boundFocus);if(!this.onlyOnSubmit){switch(this.elementType){case LiveValidation.CHECKBOX:this.boundClick=this.validate.bindAsEventListener(this);Event.observe(this.element,"click",this.boundClick);case LiveValidation.SELECT:case LiveValidation.FILE:this.boundChange=this.validate.bindAsEventListener(this);Event.observe(this.element,"change",this.boundChange);break;default:if(!this.onlyOnBlur){this.boundKeyup=this.deferValidation.bindAsEventListener(this);Event.observe(this.element,"keyup",this.boundKeyup);}this.boundBlur=this.validate.bindAsEventListener(this);Event.observe(this.element,"blur",this.boundBlur);}}},destroy:function(){if(this.formObj){this.formObj.removeField(this);this.formObj.destroy();}Event.stopObserving(this.element,"focus",this.boundFocus);if(!this.onlyOnSubmit){switch(this.elementType){case LiveValidation.CHECKBOX:Event.stopObserving(this.element,"click",this.boundClick);case LiveValidation.SELECT:case LiveValidation.FILE:Event.stopObserving(this.element,"change",this.boundChange);break;default:if(!this.onlyOnBlur){Event.stopObserving(this.element,"keyup",this.boundKeyup);}Event.stopObserving(this.element,"blur",this.boundBlur);}}this.validations=[];this.removeMessageAndFieldClass();},add:function(A,B){this.validations.push({type:A,params:B||{}});return this;},remove:function(A,B){this.validations=this.validations.reject(function(C){return(C.type==A&&C.params==B);});return this;},deferValidation:function(A){if(this.wait>=300){this.removeMessageAndFieldClass();}if(this.timeout){clearTimeout(this.timeout);}this.timeout=setTimeout(this.validate.bind(this),this.wait);},doOnBlur:function(){this.focused=false;this.validate();},doOnFocus:function(){this.focused=true;this.removeMessageAndFieldClass();},getElementType:function(){switch(true){case (this.element.nodeName.toUpperCase()=="TEXTAREA"):return LiveValidation.TEXTAREA;case (this.element.nodeName.toUpperCase()=="INPUT"&&this.element.type.toUpperCase()=="TEXT"):return LiveValidation.TEXT;case (this.element.nodeName.toUpperCase()=="INPUT"&&this.element.type.toUpperCase()=="PASSWORD"):return LiveValidation.PASSWORD;case (this.element.nodeName.toUpperCase()=="INPUT"&&this.element.type.toUpperCase()=="CHECKBOX"):return LiveValidation.CHECKBOX;case (this.element.nodeName.toUpperCase()=="INPUT"&&this.element.type.toUpperCase()=="FILE"):return LiveValidation.FILE;case (this.element.nodeName.toUpperCase()=="SELECT"):return LiveValidation.SELECT;case (this.element.nodeName.toUpperCase()=="INPUT"):throw new Error("LiveValidation::getElementType - Cannot use LiveValidation on an "+this.element.type+" input!");default:throw new Error("LiveValidation::getElementType - Element must be an input, select, or textarea!");}},doValidations:function(){this.validationFailed=false;for(var C=0,A=this.validations.length;C<A;++C){var B=this.validations[C];switch(B.type){case Validate.Presence:case Validate.Confirmation:case Validate.Acceptance:this.displayMessageWhenEmpty=true;this.validationFailed=!this.validateElement(B.type,B.params);break;default:this.validationFailed=!this.validateElement(B.type,B.params);break;}if(this.validationFailed){return false;}}this.message=this.validMessage;return true;},validateElement:function(A,C){var D=(this.elementType==LiveValidation.SELECT)?this.element.options[this.element.selectedIndex].value:this.element.value;if(A==Validate.Acceptance){if(this.elementType!=LiveValidation.CHECKBOX){throw new Error("LiveValidation::validateElement - Element to validate acceptance must be a checkbox!");}D=this.element.checked;}var E=true;try{A(D,C);}catch(B){if(B instanceof Validate.Error){if(D!==""||(D===""&&this.displayMessageWhenEmpty)){this.validationFailed=true;this.message=B.message;E=false;}}else{throw B;}}finally{return E;}},validate:function(){if(!this.element.disabled){var A=this.doValidations();if(A){this.onValid();return true;}else{this.onInvalid();return false;}}else{return true;}},enable:function(){this.element.disabled=false;return this;},disable:function(){this.element.disabled=true;this.removeMessageAndFieldClass();return this;},createMessageSpan:function(){var A=document.createElement("span");var B=document.createTextNode(this.message);A.appendChild(B);return A;},insertMessage:function(B){this.removeMessage();var A=this.validationFailed?this.invalidClass:this.validClass;if((this.displayMessageWhenEmpty&&(this.elementType==LiveValidation.CHECKBOX||this.element.value==""))||this.element.value!=""){$(B).addClassName(this.messageClass+(" "+A));if(nxtSibling=this.insertAfterWhatNode.nextSibling){this.insertAfterWhatNode.parentNode.insertBefore(B,nxtSibling);}else{this.insertAfterWhatNode.parentNode.appendChild(B);}}},addFieldClass:function(){this.removeFieldClass();if(!this.validationFailed){if(this.displayMessageWhenEmpty||this.element.value!=""){if(!this.element.hasClassName(this.validFieldClass)){this.element.addClassName(this.validFieldClass);}}}else{if(!this.element.hasClassName(this.invalidFieldClass)){this.element.addClassName(this.invalidFieldClass);}}},removeMessage:function(){if(nxtEl=this.insertAfterWhatNode.next("."+this.messageClass)){nxtEl.remove();}},removeFieldClass:function(){this.element.removeClassName(this.invalidFieldClass);this.element.removeClassName(this.validFieldClass);},removeMessageAndFieldClass:function(){this.removeMessage();this.removeFieldClass();}};var LiveValidationForm=Class.create();Object.extend(LiveValidationForm,{instances:{},getInstance:function(A){var B=Math.random()*Math.random();if(!A.id){A.id="formId_"+B.toString().replace(/\./,"")+new Date().valueOf();}if(!LiveValidationForm.instances[A.id]){LiveValidationForm.instances[A.id]=new LiveValidationForm(A);}return LiveValidationForm.instances[A.id];}});LiveValidationForm.prototype={initialize:function(A){this.element=$(A);this.fields=[];this.oldOnSubmit=this.element.onsubmit||function(){};this.element.onsubmit=function(C){var B=(LiveValidation.massValidate(this.fields))?this.oldOnSubmit.call(this.element,C)!==false:false;if(!B){Event.stop(C);}}.bindAsEventListener(this);},addField:function(A){this.fields.push(A);},removeField:function(A){this.fields=this.fields.without(A);},destroy:function(A){if(this.fields.length!=0&&!A){return false;}this.element.onsubmit=this.oldOnSubmit;LiveValidationForm.instances[this.element.id]=null;return true;}};var Validate={Presence:function(A,B){var C=Object.extend({failureMessage:"Can't be empty!"},B||{});if(A===""||A===null||A===undefined){Validate.fail(C.failureMessage);}return true;},Numericality:function(B,C){var A=B;var B=Number(B);var C=C||{};var D={notANumberMessage:C.notANumberMessage||"Must be a number!",notAnIntegerMessage:C.notAnIntegerMessage||"Must be an integer!",wrongNumberMessage:C.wrongNumberMessage||"Must be "+C.is+"!",tooLowMessage:C.tooLowMessage||"Must not be less than "+C.minimum+"!",tooHighMessage:C.tooHighMessage||"Must not be more than "+C.maximum+"!",is:((C.is)||(C.is==0))?C.is:null,minimum:((C.minimum)||(C.minimum==0))?C.minimum:null,maximum:((C.maximum)||(C.maximum==0))?C.maximum:null,onlyInteger:C.onlyInteger||false};if(!isFinite(B)){Validate.fail(D.notANumberMessage);}if(D.onlyInteger&&((/\.0+$|\.$/.test(String(A)))||(B!=parseInt(B)))){Validate.fail(D.notAnIntegerMessage);}switch(true){case (D.is!==null):if(B!=Number(D.is)){Validate.fail(D.wrongNumberMessage);}break;case (D.minimum!==null&&D.maximum!==null):Validate.Numericality(B,{tooLowMessage:D.tooLowMessage,minimum:D.minimum});Validate.Numericality(B,{tooHighMessage:D.tooHighMessage,maximum:D.maximum});break;case (D.minimum!==null):if(B<Number(D.minimum)){Validate.fail(D.tooLowMessage);}break;case (D.maximum!==null):if(B>Number(D.maximum)){Validate.fail(D.tooHighMessage);}break;}return true;},Format:function(A,B){var A=String(A);var C=Object.extend({failureMessage:"Not valid!",pattern:/./,negate:false},B||{});if(!C.negate&&!C.pattern.test(A)){Validate.fail(C.failureMessage);}if(C.negate&&C.pattern.test(A)){Validate.fail(C.failureMessage);}return true;},Email:function(A,B){var C=Object.extend({failureMessage:"Must be a valid email address!"},B||{});Validate.Format(A,{failureMessage:C.failureMessage,pattern:/^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i});return true;},Length:function(A,B){var A=String(A);var B=B||{};var C={wrongLengthMessage:B.wrongLengthMessage||"Must be "+B.is+" characters long!",tooShortMessage:B.tooShortMessage||"Must not be less than "+B.minimum+" characters long!",tooLongMessage:B.tooLongMessage||"Must not be more than "+B.maximum+" characters long!",is:((B.is)||(B.is==0))?B.is:null,minimum:((B.minimum)||(B.minimum==0))?B.minimum:null,maximum:((B.maximum)||(B.maximum==0))?B.maximum:null};switch(true){case (C.is!==null):if(A.length!=Number(C.is)){Validate.fail(C.wrongLengthMessage);}break;case (C.minimum!==null&&C.maximum!==null):Validate.Length(A,{tooShortMessage:C.tooShortMessage,minimum:C.minimum});Validate.Length(A,{tooLongMessage:C.tooLongMessage,maximum:C.maximum});break;case (C.minimum!==null):if(A.length<Number(C.minimum)){Validate.fail(C.tooShortMessage);}break;case (C.maximum!==null):if(A.length>Number(C.maximum)){Validate.fail(C.tooLongMessage);}break;default:throw new Error("Validate::Length - Length(s) to validate against must be provided!");}return true;},Inclusion:function(C,D){var E=Object.extend({failureMessage:"Must be included in the list!",within:[],allowNull:false,partialMatch:false,caseSensitive:true,negate:false},D||{});if(E.allowNull&&C==null){return true;}if(!E.allowNull&&C==null){Validate.fail(E.failureMessage);}if(!E.caseSensitive){var A=[];E.within.each(function(F){if(typeof F=="string"){F=F.toLowerCase();}A.push(F);});E.within=A;if(typeof C=="string"){C=C.toLowerCase();}}var B=(E.within.indexOf(C)==-1)?false:true;if(E.partialMatch){B=false;E.within.each(function(F){if(C.indexOf(F)!=-1){B=true;}});}if((!E.negate&&!B)||(E.negate&&B)){Validate.fail(E.failureMessage);}return true;},Exclusion:function(A,B){var C=Object.extend({failureMessage:"Must not be included in the list!",within:[],allowNull:false,partialMatch:false,caseSensitive:true},B||{});C.negate=true;Validate.Inclusion(A,C);return true;},Confirmation:function(A,B){if(!B.match){throw new Error("Validate::Confirmation - Error validating confirmation: Id of element to match must be provided!");}var C=Object.extend({failureMessage:"Does not match!",match:null},B||{});C.match=$(B.match);if(!C.match){throw new Error("Validate::Confirmation - There is no reference with name of, or element with id of '"+C.match+"'!");}if(A!=C.match.value){Validate.fail(C.failureMessage);}return true;},Acceptance:function(A,B){var C=Object.extend({failureMessage:"Must be accepted!"},B||{});if(!A){Validate.fail(C.failureMessage);}return true;},Custom:function(A,B){var C=Object.extend({against:function(){return true;},args:{},failureMessage:"Not valid!"},B||{});if(!C.against(A,C.args)){Validate.fail(C.failureMessage);}return true;},now:function(A,D,C){if(!A){throw new Error("Validate::now - Validation function must be provided!");}var E=true;try{A(D,C||{});}catch(B){if(B instanceof Validate.Error){E=false;}else{throw B;}}finally{return E;}},Error:function(A){this.message=A;this.name="ValidationError";},fail:function(A){throw new Validate.Error(A);}};