//Style Sheet Switcher version 1.1 Oct 10th, 2006
//Author: Dynamic Drive: http://www.dynamicdrive.com
//Usage terms: http://www.dynamicdrive.com/notice.htm


var manual_or_random="manual" //"manual" or "random"
var randomsetting="3 days" //"eachtime", "sessiononly", or "x days (replace x with desired integer)". Only applicable if mode is random.

//////No need to edit beyond here//////////////

document.write('<script src="ajax.js" type="text/javascript"></script>');
//ray add ldc
function getCookie(Name) { 
var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
if (document.cookie.match(re)) //if cookie found
return document.cookie.match(re)[0].split("=")[1] //return its value
return null
}

function setCookie(name, value, days) {
var expireDate = new Date()
//set "expstring" to either future or past date, to set or delete cookie, respectively
var expstring=(typeof days!="undefined")? expireDate.setDate(expireDate.getDate()+parseInt(days)) : expireDate.setDate(expireDate.getDate()-5)
document.cookie = name+"="+value+"; expires="+expireDate.toGMTString()+"; path=/";
}

function deleteCookie(name){
setCookie(name, "moot")
}


function setStylesheet(title, randomize){ //Main stylesheet switcher function. Second parameter if defined causes a random alternate stylesheet (including none) to be enabled
var i, cacheobj, altsheets=[""]
for(i=0; (cacheobj=document.getElementsByTagName("link")[i]); i++) {


	if(cacheobj.getAttribute("rel").toLowerCase()=="alternate stylesheet" && cacheobj.getAttribute("title")) //if this is an alternate stylesheet with title
	{ 
		
		cacheobj.disabled = true
		altsheets.push(cacheobj) //store reference to alt stylesheets inside array
		
			if(cacheobj.getAttribute("title") == title) //enable alternate stylesheet with title that matches parameter
			{
				
				cacheobj.disabled = false //enable chosen style sheet

			}
	}
}

if (typeof randomize!="undefined"){ //if second paramter is defined, randomly enable an alt style sheet (includes non)
var randomnumber=Math.floor(Math.random()*altsheets.length)
altsheets[randomnumber].disabled=false
}
return (typeof randomize!="undefined" && altsheets[randomnumber]!="")? altsheets[randomnumber].getAttribute("title") : "" //if in "random" mode, return "title" of randomly enabled alt stylesheet
}

function chooseStyle(styletitle, days){ //Interface function to switch style sheets plus save "title" attr of selected stylesheet to cookie
if (document.getElementById){
setStylesheet(styletitle,null)
//setCookie("mysheet", styletitle, days)
}
}

function indicateSelected(element){ //Optional function that shows which style sheet is currently selected within group of radio buttons or select menu
if (selectedtitle!=null && (element.type==undefined || element.type=="select-one")){ //if element is a radio button or select menu
var element=(element.type=="select-one") ? element.options : element
for (var i=0; i<element.length; i++){
if (element[i].value==selectedtitle){ //if match found between form element value and cookie value
if (element[i].tagName=="OPTION") //if this is a select menu
element[i].selected=true
else //else if it's a radio button
element[i].checked=true
break
}
}
}
}

if (manual_or_random=="manual"){ //IF MANUAL MODE
var selectedtitle=getCookie("mysheet")
if (document.getElementById && selectedtitle!=null) //load user chosen style sheet from cookie if there is one stored
setStylesheet(selectedtitle)
}
else if (manual_or_random=="random"){ //IF AUTO RANDOM MODE
if (randomsetting=="eachtime")
setStylesheet("", "random")
else if (randomsetting=="sessiononly"){ //if "sessiononly" setting
if (getCookie("mysheet_s")==null) //if "mysheet_s" session cookie is empty
document.cookie="mysheet_s="+setStylesheet("", "random")+"; path=/" //activate random alt stylesheet while remembering its "title" value
else
setStylesheet(getCookie("mysheet_s")) //just activate random alt stylesheet stored in cookie
}
else if (randomsetting.search(/^[1-9]+ days/i)!=-1){ //if "x days" setting
if (getCookie("mysheet_r")==null || parseInt(getCookie("mysheet_r_days"))!=parseInt(randomsetting)){ //if "mysheet_r" cookie is empty or admin has changed number of days to persist in "x days" variable
setCookie("mysheet_r", setStylesheet("", "random"), parseInt(randomsetting)) //activate random alt stylesheet while remembering its "title" value
setCookie("mysheet_r_days", randomsetting, parseInt(randomsetting)) //Also remember the number of days to persist per the "x days" variable
}
else
setStylesheet(getCookie("mysheet_r")) //just activate random alt stylesheet stored in cookie
} 
}

//Variation Menu script
//function FindResponse(DestUrl,Language)
//{
//	// alert (DestUrl);
//	var oxmlhttp = null;
//	var canShow = false;
//	try 
//	{
//     oxmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
//    } 
//    catch (e) 
//    {
//  		try 
//  		{
//   			oxmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
//  		}
//  		catch (E) 
//  		{
//		   oxmlhttp = false;
//		}
// 	}	
// 	
// 	if (!oxmlhttp && typeof XMLHttpRequest!='undefined')
// 	{
//		try 
//		{
//			oxmlhttp = new XMLHttpRequest();
//		}
//		catch (e)
//		{
//			oxmlhttp = false;
//		}
// 	}
//	if (!oxmlhttp && window.createRequest) 
//	{
//		try 
//		{
//			oxmlhttp = window.createRequest();
//		} 
//		catch (e) 
//		{
//			oxmlhttp = false;
//		}
//	}
//	oxmlhttp .open("HEAD", DestUrl,true);	
//	oxmlhttp .onreadystatechange=function()
// 	 {
// 	//  alert(oxmlhttp .readyState);
// 	 
//  	if (oxmlhttp .readyState==4) 
//  	   {
//  		// alert(oxmlhttp .status);

//   			if (oxmlhttp .status==200) 
//   			{
//   			//	alert("URL Exists!");
//   				canShow = true;   
//   				document.getElementById("divVariation").innerHTML="<A href='" + DestUrl+ "'><b>"+Language+"</b></A>" ;
//   				return canShow;			
//   			}
//    		else if (oxmlhttp .status==404) 
//    		{
//    		//	alert("URL doesn't exist!");
//    			canShow = false;
//    			return canShow;
//    		}
//     		else 
//     		{
//     		//	alert("Status is "+oxmlhttp .status);
//     			canShow = true;
//     			return canShow;
//     		}
//  		}
// 	 }
// 	oxmlhttp.send(null);
//}

//function VariationMenu()
//{

//	// Grab the current URL and store it
//	var str = new String(location.href);
//	str =str.toLowerCase();
//	
//	var newStr1;
//	var newStr2;
//	var canShowLink=false;
//	document.getElementById("divVariation").innerHTML=""
//	
//	//  Look for en-ca within the URL and replace it with fr-ca
//	if (str.indexOf("/de/") >= 0 || str.indexOf("/DE/") >= 0)
//	{
//		newStr1 = str.replace("/de/", "/FR/");
//		newStr2=newStr1.replace("/seiten/", "/Pages/");
//		//document.getElementById("divVariation").innerHTML="<A href='" + newStr2+ "'><b>francais</b></A>"
//		canShowLink = FindResponse(newStr2,'francais');	


//	}
//	
//	//  Look for fr-ca within the URL and replace it with en-ca
//	if (str.indexOf("/fr/") >= 0 || str.indexOf("/FR/") >= 0)
//	{
//		newStr1 = str.replace("/fr/", "/DE/");
//		newStr2=newStr1.replace("/pages/", "/Seiten/");
//		//document.getElementById("divVariation").innerHTML="<A href='" + newStr2+ "'><b>deutsch</b></A>"
//		canShowLink = FindResponse(newStr2,'deutsch');

//	}
//}