var currentParentMenuContainer;
var currentJsDropdown=null;

currentParentMenuContainer=new Array();
/*
currentParentMenuContainer should contain expanded menu IDs when it loads:
currentParentMenuContainer[0] - level 1 expanded menu ID
currentParentMenuContainer[1] - level 2 expanded menu ID
currentParentMenuContainer[2] - level 3 expanded menu ID

This will not automatically expand the menus. This is done in the leftnavbar using stylesheets.
The IDs are used to collapse the menus when the user clicks on other menus
*/
var _fctReturnFalse=new Function ("e", "return false;");
var _fctReturnTrue=new Function ("e", "return true;");

function expandLeftMenu(parentMenuId, level)
{
	var style, parentMenuContainer, submenuContainer, prevMenuContainer, expand, classFirstListItem;
	
	parentMenuContainer=document.getElementById(parentMenuId);
	submenuContainer=document.getElementById(parentMenuId+"_submenu");
	
	style=getElementCurrentStyle(submenuContainer);
	expand = !(style.display=="block");
	
	if (expand) //collapse current menu (if any)
	{
		prevMenuContainer=document.getElementById(currentParentMenuContainer[level-1]);
		if (prevMenuContainer && prevMenuContainer!=parentMenuContainer)
		{
			classFirstListItem=(prevMenuContainer.className.indexOf(new String("first_list_item").toLowerCase())>-1)?"first_list_item":"";
			prevMenuContainer.className=classFirstListItem?classFirstListItem:"";
		}
	}
	
	classFirstListItem=(parentMenuContainer.className.indexOf(new String("first_list_item").toLowerCase())>-1)?"first_list_item":""
	parentMenuContainer.className=(expand?"expanded":"")+(classFirstListItem?" "+classFirstListItem:"");
	
	
	currentParentMenuContainer[level-1]=parentMenuId;
}

function getElementCurrentStyle(element)
{
	if (element.currentStyle)
	{ 
		return element.currentStyle;
	}
	else
	{
		if (document.defaultView.getComputedStyle)
		{
			return document.defaultView.getComputedStyle(element, null);
		}
	}
}
function domAddEventListener(element, eventName, eventHandler)
{
	if (element.attachEvent)
	{
		element.attachEvent("on"+eventName, eventHandler);
	}
	else
	if (element.addEventListener)
	{
		element.addEventListener(eventName, eventHandler, false);
	}
}
function domRemoveEventListener(element, eventName)
{
	if (element.detachEvent)
	{
		element.detachEvent(eventName);
	}
	else
	if (element.removeEventListener)
	{
		element.removeEventListener(eventName)
	}
}
function showWhereToBuyContainer(a, hideEStoreButton)
{
	var arrowImg, containerVisible;
	
	containerVisible=switchElementVisibility("where_to_buy");
	if (hideEStoreButton)
	{
		switchElementVisibility("buy_now_estore");
	}
	
	arrowImg=document.getElementById("arrowWhereToBuy");
	
	arrowImg.src="/sys/images/utility_navbar/arrow_"+(containerVisible?"close":"open")+".gif";
	a.className=containerVisible?"open":"";
}
function switchElementVisibility(elementId)
{
	var element, style;
	
	element=document.getElementById(elementId);
	style=getElementCurrentStyle(element);
	
	element.style.display=style.display=="none"?"block":"none";
	
	if (style.display!="none")
	{
		element.style.zIndex=1000;
	}
	
	return !(element.style.display=="none");
}
function showOtherProductsList()
{
	var otherProductsListContainer, style;
	
	otherProductsListContainer=document.getElementById("other_products_listing");
	
	style=getElementCurrentStyle(otherProductsListContainer);
	
	otherProductsListContainer.style.display=style.display=="block"?"none":"block";
	if (otherProductsListContainer.style.display=="block")
	{
		
		otherProductsListContainer.style.zIndex=1100;
		otherProductsListContainer.parentNode.parentNode.style.zIndex=1100;
	}
}
function showJsDropdown(jsDropdownId)
{	
	var style;
	var dropdown, dropdownContainer;
	
	dropdown=document.getElementById(jsDropdownId+"_Dropdown");
	
	style=getElementCurrentStyle(dropdown);
	
	if (style.display=="block")
	{
		dropdown.style.display="none";
		currentJsDropdown=null;
		
	}
	else
	{
		if (currentJsDropdown && currentJsDropdown!=dropdown)
		{
			currentJsDropdown.style.display="none";
			currentJsDropdown.style.zIndex=-1;
		}
		
		currentJsDropdown=dropdown;
		currentJsDropdown.style.zIndex=1000;
		currentJsDropdown.style.display="block";
		currentJsDropdown.parentNode.parentNode.parentNode.parentNode.parentNode.parentNode.style.zIndex=1000;
		currentJsDropdown.scrollTop=0;
	}
}
function setJsDropdownValue(jsDropdownId, value, text)
{
	var input, element;
	
	input=document.getElementById(jsDropdownId);//may be a div or text input
	input.value=value;
	
	element=document.getElementById(jsDropdownId+"_text")
	switch(element.nodeName.toLowerCase())
	{
		case "div":
			element.innerHTML = text;
			element.title=text;
			break;
		case "input":
			element.value=text;
			break;
	}
	
	showJsDropdown(jsDropdownId)
}
function onFocusZipCode(input)
{
    if (input.value=="Enter Zip Code")
    {
	input.value="";
    }
}
function onBlurZipCode(input)
{
    if (input.value=="")
    {
	input.value="Enter Zip Code";
    }
}
function checkProduct(element)
{
	var inputId;
	var input, a;
	
	
	if (element.nodeName.toLowerCase()=="input")//checkbox clicked
	{
		input=element;
		inputId=element.id;
		
		a=document.getElementById(inputId+"_Compare");
	}
	else //"Compare" link clicked
	{
		a=element;
		
		inputId=element.id.replace("_Compare", "");
		input=document.getElementById(inputId);
		input.checked=!input.checked;
		
	}
	
	var checkboxesList, hotCompareLinks, numChecked;
	
	hotCompareLinks=false;
	numChecked=0
	checkboxesList=document.getElementsByTagName("input");
	
	if(checkboxesList)
	{
		for (var i=0; i<checkboxesList.length; i ++)
		{
			var input=checkboxesList[i];
			if(input.type!="checkbox")
			{
				continue;
			}
			if (input.checked)
			{
				numChecked++;
			}
			if (numChecked>1)
			{
				hotCompareLinks=true;
			}
		}
		
		for (var i=0; i<checkboxesList.length; i ++)
		{
			
			var input=checkboxesList[i];
			
			if(input.type!="checkbox")
			{
				continue;
			}
			
			inputId=input.id;
			a=document.getElementById(inputId+"_Compare");
			
			if (!hotCompareLinks)
			{
				a.className="";
				a.onclick=_fctReturnFalse;
			}
			else
			{
				a.className=input.checked?"selected":"activated"
				a.onclick=input.checked?_fctReturnTrue:_fctReturnFalse;
			}
		}
		
	}
}
/*advanced search*/
var currentProductCategoryLink=null;
var currentProductCategoryId="testProductCategoryId1";
var currentProductTypeLink=null;
var currentProductTypeId="testProductTypeId1";
var currentProductModelLink=null;
var currentProductModelId="testProductModelId1";
var currentProductFamilyLink=null;
var currentProductFamilyId="testProductFamilyId2";
var currentProductSerieLink=null;
var currentProductSerieId="testProductSerieId2";
function onClickAdvancedSearchCriteria(link, currentLink)
{
	if (currentLink)
	{
		currentLink.className="";
	}
	
	link.className="selected";

	
}
function onClickProductCategory(link)
{
	if (!currentProductCategoryLink && currentProductCategoryId)
	{
		currentProductCategoryLink=document.getElementById(currentProductCategoryId);
	}
	onClickAdvancedSearchCriteria(link, currentProductCategoryLink);
	currentProductCategoryLink=link;
}
function onClickProductType(link)
{
	if (!currentProductTypeLink && currentProductTypeId)
	{
		currentProductTypeLink=document.getElementById(currentProductTypeId);
	}
	onClickAdvancedSearchCriteria(link, currentProductTypeLink);
	currentProductTypeLink=link;
}
function onClickProductModel(link)
{
	if (!currentProductModelLink && currentProductModelId)
	{
		currentProductModelLink=document.getElementById(currentProductModelId);
	}
	onClickAdvancedSearchCriteria(link, currentProductModelLink);
	currentProductModelLink=link;
}
function onClickProductFamily(link)
{
	if (!currentProductFamilyLink && currentProductFamilyId)
	{
		currentProductFamilyLink=document.getElementById(currentProductFamilyId);
	}
	onClickAdvancedSearchCriteria(link, currentProductFamilyLink);
	currentProductFamilyLink=link;
}
function onClickProductSerie(link)
{
	if (!currentProductSerieLink && currentProductSerieId)
	{
		currentProductSerieLink=document.getElementById(currentProductSerieId);
	}
	onClickAdvancedSearchCriteria(link, currentProductSerieLink);
	currentProductSerieLink=link;
}
function onClickProdAdvCategory(elementId)
{
	var td;
	
	td=document.getElementById(elementId);
	
	td.className=(td.className.indexOf(new String("expanded").toLowerCase())>-1)?"":"expanded"
	
}
var currentRSSCategoryLink;
var currentRSSCategoryLinkId="press_releases";

function onClickRSSCategory(elementId)
{
	var li;
	li=document.getElementById(elementId);
	
	li.className=(li.className.indexOf(new String("expanded").toLowerCase())>-1)?"":"expanded";
	
	if (!currentRSSCategoryLink && currentRSSCategoryLinkId)
	{
		currentRSSCategoryLink=document.getElementById(currentRSSCategoryLinkId);
	}
	if (currentRSSCategoryLink && currentRSSCategoryLink!=li)
	{
		currentRSSCategoryLink.className="";
	}
	currentRSSCategoryLink=li;
}
var currentEventsColumnLink;
var currentEventsColumnLinkId='date_column_link';
var eventColumnLinks, eventColumnLinkIds;
eventColumnLinkIds = new Array("date_column_link", "events_column_link", "location_column_link", "type_column_link");
function sortEvents(link)
{
	var linkClassName;
	
	if (link.className.indexOf(new String("selected").toLowerCase())==-1)
	{
		linkClassName = link.className.indexOf(new String("asc").toLowerCase())>-1 ? "asc":"desc";
		
		link.className=linkClassName+"_selected";
	}
	else
	{
		linkClassName = link.className.indexOf(new String("asc").toLowerCase())>-1 ? "desc":"asc";
		
		link.className=linkClassName+"_selected";
	}
	
	if (!currentEventsColumnLink && currentEventsColumnLinkId)
	{
		currentEventsColumnLink=document.getElementById(currentEventsColumnLinkId);
	}
	
	if (currentEventsColumnLink && currentEventsColumnLink!=link)
	{
		currentEventsColumnLink.className=currentEventsColumnLink.className.replace("selected ", "");
	}
	
	var defaultClassName, link2;
	
	defaultClassName=link.className.indexOf(new String("asc").toLowerCase())>-1?"asc":"desc";
	
	if (!eventColumnLinks)
	{
		eventColumnLinks = new Array();
		
		for (var i=0; i<eventColumnLinkIds.length; i++)
		{
			eventColumnLinks[i]=document.getElementById(eventColumnLinkIds[i]);
		}
	}
	
	for (var i=0; i<eventColumnLinks.length; i++)
	{
		
		if (eventColumnLinks[i]!=link)
		{
			eventColumnLinks[i].className=defaultClassName;
		}
	}
	
	currentEventsColumnLink=link;
}

var currentGlossaryLetterLink=null;
var currentGlossaryLetter='A';
function onClickGlossaryLetter(link)
{
	link.className+=" selected";
	
	if (!currentGlossaryLetterLink && currentGlossaryLetter)
	{
		currentGlossaryLetterLink=document.getElementById("letter"+currentGlossaryLetter);
	}
	
	if (currentGlossaryLetterLink)
	{
		currentGlossaryLetterLink.className=currentGlossaryLetterLink.className.indexOf(new String("last_letter").toLowerCase())>-1 ? "last_letter":"";
	}
	
	currentGlossaryLetterLink=link;
}
var currentProductCategoryImg, changeImgTimerId, changeImgTimerDelay;
changeImgTimerDelay=200;
function changeProductCategoryImg(src, description)
{
	if(changeImgTimerId)
	{
		clearTimeout(changeImgTimerId);
	}
	if (!currentProductCategoryImg)
	{
		currentProductCategoryImg=document.getElementById("producCategoryImg");
		currentProductCategoryImgDesc=document.getElementById("image_description");
	}
	currentProductCategoryImg.src="images/product/"+src;
	currentProductCategoryImgDesc.innerHTML=description;
}
 function setDefaultProductCategoryImg(src)
 {
 	changeImgTimerId=setTimeout("changeProductCategoryImg('"+src+"', '')", changeImgTimerDelay);
 }
 
 function onClickBuyerGuideAnswer(answerId)
 {
 	var radio;
 	
 	radio=document.getElementById(answerId);
 	
 	radio.checked=true;
 }
  function _bodyOnLoad()
 {
 	if (document.body.addEventListener)
 	{
 		document.body.addEventListener("click", onClickBody, false);
 	}
 	else
 	{
 		document.body.attachEvent("onclick", onClickBody);
 		
 	}
 	 
 	try{
 	expandLeftNavigation();
 	}catch(error){
 	   alert(error);
 	}
 }
 function onClickBody(e)
 {
 	var parentElement=null;
 	var hide=true;
 	
 	if (currentJsDropdown)
 	{
 		if (window.event)
 		{
 			parentElement=window.event.srcElement;
 			
 		}
 		else
 		{
 			parentElement=e.target;
 		}
 		
 		do
 		{	
 			if (parentElement.className=="js_dropdown")
 			{
 				//alert(parentElement.id+":"+currentJsDropdown.id+":"+parentElement.id.indexOf(currentJsDropdown.id));
 				if(parentElement.id.indexOf(currentJsDropdown.id)==0)
 				{
 					hide=false;
 				}
 				break;
 			}
 		}while (parentElement=parentElement.parentNode);
 		
 		if (hide)
 		{
 			currentJsDropdown.style.display="none";
 			
 		}
 		
 	}
 }
function printFlagCheck()
{
	var fullURL = parent.document.URL;
	var printFlag = fullURL.substring(fullURL.indexOf('?')+7, fullURL.length);

	if(printFlag == "yes")
	{
		togglePrint();
	}
}

function togglePrint()
{
	document.getElementById("page_header").style.display="none";
	document.getElementById("top_navbar").style.display="none";
	document.getElementById("breadcrumb").style.display="none";
	document.getElementById("left_navbar").style.display="none";
	document.getElementById("page_footer").style.display="none";
	
}
 
function setBreadCrumb()
{
  	linkVar = document.getElementById("bctrail").value;
  	document.getElementById("breadcrumb").innerHTML = "<a href='#'>" + linkVar + "</a>";
}
function openEmailWindow(url)
{
	window.open (url, 'mywindow','scrollbars=yes, status=no,location=no, menubar=no,resizable=no,width=537,height=650');
}
function openDriversBrochures(url)
{
        window.open (url, 'mywindow','scrollbars=yes, status=no,location=no, menubar=no,resizable=yes,width=640,height=550');

}

 /*INet : methods to expand left navigation depending on the url */
 function expandLeftNavigation(){
 	
 	// get the url
	var url= window.location.href;
	
	// Products tree url for models won't be available so we need 
	// to repeat the process few times.
	// TODO: needs some more conditions maybe or need to reduce 
	// number of retries. 
	 
	if (!expandLeftNavigationForUrl(url) && url.indexOf(".action")==-1 ){	
               if(typeof(linkArray) !== 'undefined' && linkArray != null)  {
		//check for breadcrumb array , if available reduce level based on breadcrumb
		for (var i = 1; i<=3 ; i++){
			if( linkArray[linkArray.length -i] != '#') {
				url='http://'+window.location.hostname+linkArray[linkArray.length -i] ;//reduceUrlLevel(url);		
				if (expandLeftNavigationForUrl(url)){
					return true;
				}
			}
		}
                }				
	}



 }

 function expandLeftNavigationForUrl(url){
	var leftNavDiv = document.getElementById("left_navbar");
	if (!leftNavDiv){
		return false;
	}				
	var childAnchorElements = leftNavDiv.getElementsByTagName("a");	
	var anchorElement = null ;
	
	// first find the <a> element that has the matching url. 
	for (var i = 0; i < childAnchorElements.length; i++){				 
	  if (url==childAnchorElements[i].href || stringEndsWith(childAnchorElements[i].href,url)){
		anchorElement=childAnchorElements[i];
		break;
	  }
	}			

	// loop through the parents and make all list holders expanded 
	if (anchorElement){							
		var targetLiElement = anchorElement.parentNode;
		var liElement = targetLiElement;					
		var isPartOfList=false;
		var loop = true;
		while (loop){
			var ulElement = liElement.parentNode;	

			if (ulElement && ulElement.tagName=="UL" && ulElement.id){
				liElement = ulElement.parentNode;
				previousClass = liElement.className;							
				liElement.className = previousClass+" expanded";											
			}else{
				loop = false;
			}				
		}					
		// if it is item in list then it has to be "selected" and if its a list holder 
		// it has to be "expanded"

		var hasChildLinks = targetLiElement.getElementsByTagName("UL").length != 0;						
		var previousClass = targetLiElement.className;					
		targetLiElement.className = previousClass+((hasChildLinks)?" expanded":" selected");					
		
		return true;				
	}
	return false;	
 }

 function reduceUrlLevel(url){			
	var index = url.lastIndexOf("/");
	if (index!=-1){					
		return url.substring(0,index);
	}
 }


 function stringEndsWith(str,txt) {
	var rgx= new RegExp(txt+"$");
	return str.match(rgx)!=null;
 }
 
 function changeTitle(newTitle){
	document.title = newTitle;
 }
 
 
function validateZIP(field){
	   var valid = "0123456789-";
	   var hyphencount = 0;
	   var validFlag = true;

	   if (field.length!=5 && field.length!=10)
	   {
		alert("Please enter your 5 digit or 5 digit+4 zip code.");
		validFlag = false;
	   }


	   for (var i=0; i < field.length; i++)
	   {
	     if(validFlag) {
			temp = "" + field.substring(i, i+1);

			if (temp == "-") hyphencount++;

			if (valid.indexOf(temp) == "-1")
			{
			   alert("Invalid characters in your zip code.  Please try again.");
			   validFlag = false;
			}

			if ((hyphencount > 1) || ((field.length==10) && ""+field.charAt(5)!="-"))
			{
			alert("The hyphen character should be used with a properly formatted 5 digit+four zip code, like '12345-6789'.   Please try again.");
			validFlag = false;
			   }
		}
	   }


	   if (validFlag == true)
	   {
	     document.getElementById("getLocationForm").submit();
	   }
}