var bustcachevar=1 //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadstatustext='<div style="padding: 2px">See your nearest Mahindra Dealer for details.</div>'

//// Preload tab images ////////////////////////
function preloadImages()
{
  if(document.images)
  {
    if(!document.imageArray) document.imageArray = new Array();
    var i,j = document.imageArray.length, args = preloadImages.arguments;
    
    for(i=0; i<args.length; i++)
    {
      if (args[i].indexOf("#")!=0)
      {
        document.imageArray[j] = new Image;
        document.imageArray[j++].src = args[i];
      }
    }
  }
}

preloadImages(
   'images/btn_Overview_off.jpg',
   'images/btn_Overview_on.jpg',
   'images/btn_Specifications_off.jpg',
   'images/btn_Specifications_on.jpg',
   'images/btn_Attachments_off.jpg',
   'images/btn_Attachments_on.jpg',
   'images/btn_Offers_off.jpg',
   'images/btn_Offers_on.jpg',
   'images/btn_Reviews_off.jpg',
   'images/btn_Reviews_on.jpg',
   'images/btn_features_off.jpg',
   'images/btn_features_on.jpg',
   'images/btn_Specs_off.jpg',
   'images/btn_Specs_on.jpg',
   'images/btn_Compatible_off.jpg',
   'images/btn_Compatible_on.jpg',
   'images/btn_OptAttach_off.jpg',
   'images/btn_OptAttach_on.jpg',
   'images/btn_Warning_off.jpg',
   'images/btn_Warning_on.jpg'
);
////NO NEED TO EDIT BELOW////////////////////////
var loadedobjects=""
var defaultcontentarray=new Object()
var bustcacheparameter=""

function handle_ulistlink_click(input)
{	
	// handle clicking on a tab/link
	if (typeof(input) == 'string')
	{
		obj = document.getElementById(input)
	}
	else
	{
		obj = this
	}
	
	ajaxpage(obj.getAttribute("href"), obj.getAttribute("rel"), obj)
	loadobjs(obj.getAttribute("rev"))
	return false
}

function getXMLHttpRequest()
{
	var page_request = false
	
	if (window.XMLHttpRequest) 
	{	// if Mozilla, Safari etc
		page_request = new XMLHttpRequest()
	}
	else if (window.ActiveXObject)
	{ // if IE
		try 
		{
			page_request = new ActiveXObject("Msxml2.XMLHTTP")
		} 
		catch (e)
		{
			try
			{
				page_request = new ActiveXObject("Microsoft.XMLHTTP")
			}
			catch (e)
			{
			}
		}
	}
	return page_request
}

function ajaxpage(url, containerid, targetobj)
{
	var page_request = getXMLHttpRequest()
	if (! page_request) return false
		
	var ullist=targetobj.parentNode.parentNode.getElementsByTagName("li")
	
	for (var i=0; i<ullist.length; i++)
	{
		ullist[i].className=""  //deselect all tabs
	}
	
	targetobj.parentNode.className="selected"  //highlight currently clicked on tab
	
	if (url.indexOf("#default")!=-1)
	{ //if simply show default content within container (verus fetch it via ajax)
		document.getElementById(containerid).innerHTML=defaultcontentarray[containerid]
		return
	}

	// document.getElementById(containerid).innerHTML=loadstatustext

	page_request.onreadystatechange=function()
	{
		loadpage(page_request, containerid)
	}
	
	if (bustcachevar) //if bust caching of external page
	{
		bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
	}
	
	page_request.open('GET', url+bustcacheparameter, true)
	page_request.send(null)
}

function loadpage(page_request, containerid)
{
	if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
	{
		if (page_request.responseText.length > 5)
		{
			document.getElementById(containerid).innerHTML=page_request.responseText
		}
		else
		{
			document.getElementById(containerid).innerHTML=loadstatustext
		}
	}
}

function loadobjs(revattribute)
{
	if (revattribute!=null && revattribute!="")
	{ //if "rev" attribute is defined (load external .js or .css files)
		var objectlist=revattribute.split(/\s*,\s*/) //split the files and store as array
		for (var i=0; i<objectlist.length; i++)
		{
			var file=objectlist[i]
			var fileref=""
			if (loadedobjects.indexOf(file)==-1)
			{
				//Check to see if this object has not already been added to page before proceeding
				if (file.indexOf(".js")!=-1)
				{ //If object is a js file
					fileref=document.createElement('script')
					fileref.setAttribute("type","text/javascript");
					fileref.setAttribute("src", file);
				}
				else if (file.indexOf(".css")!=-1)
				{ //If object is a css file
					fileref=document.createElement("link")
					fileref.setAttribute("rel", "stylesheet");
					fileref.setAttribute("type", "text/css");
					fileref.setAttribute("href", file);
				}
			}
			if (fileref!="")
			{
				document.getElementsByTagName("head").item(0).appendChild(fileref)
				loadedobjects+=file+" " //Remember this object as being already added to page
			}
		}
	}
}

function savedefaultcontent(contentid)
{	// save default ajax tab content
	if (typeof defaultcontentarray[contentid]=="undefined") //if default content hasn't already been saved
	defaultcontentarray[contentid]=document.getElementById(contentid).innerHTML
}

function startajaxtabs()
{
	for (var i=0; i<arguments.length; i++)
	{ //loop through passed UL ids
		var ulobj=document.getElementById(arguments[i])
		var ulist=ulobj.getElementsByTagName("li") //array containing the LI elements within UL
		for (var x=0; x<ulist.length; x++)
		{ //loop through each LI element
			var ulistlink=ulist[x].getElementsByTagName("a")[0]
			if (ulistlink.getAttribute("rel"))
			{
				var modifiedurl=ulistlink.getAttribute("href").replace(/^http:\/\/[^\/]+\//i, "http://"+window.location.hostname+"/")
				ulistlink.setAttribute("href", modifiedurl) //replace URL's root domain with dynamic root domain, for ajax security sake
				savedefaultcontent(ulistlink.getAttribute("rel")) //save default ajax tab content
				
				ulistlink.onclick = handle_ulistlink_click
				
				if (ulist[x].className=="selected")
				{
					//auto load currenly selected tab content
					ajaxpage(ulistlink.getAttribute("href"), ulistlink.getAttribute("rel"), ulistlink) 
					loadobjs(ulistlink.getAttribute("rev")) //auto load any accompanying .js and .css files
				}
			}
		}
	}
	if((typeof(p_SUBTYPE) != 'undefined') && (p_SUBTYPE!= 'Loader'))
	{
		document.getElementById('optattach').style.display = 'none' 
	}
}