var nocachevar = 1;  // override potential caching of external pages after initial request? (1 = yes, 0 = no)
var loadedobjects = "";
var rootdomain = "http://" + window.location.hostname;
var nocacheparameter = "";

function ajaxpage(url, containerid)
{
	var page_request = false;
	
	// if Mozilla, Safari etc
	if (window.XMLHttpRequest)
		page_request = new XMLHttpRequest();

	// if IE
 	else if (window.ActiveXObject)
	{
		try
		{
			page_request = new ActiveXObject("Msxml2.XMLHTTP");
		} 
		catch (e)
		{
			try
			{
				page_request = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e)
			{}
		}
	}
	else
		return false;
	
	page_request.onreadystatechange = function()
	{
		loadpage(page_request, containerid);
	}
	
	if (nocachevar)
		nocacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime();
	
	page_request.open('GET', url + nocacheparameter, 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))
	{
		var content = page_request.responseText;
		
		// KT - pre-process to fix IE's broken PNG transparency handling
		var arVersion = navigator.appVersion.split("MSIE")
		var version = parseFloat(arVersion[1])
		if (version >= 5.5 && version < 7.0)
		{
			content.replace(".png", ".jpg");	// substitute non-transparent replacement JPEGs -- MUST exist
			content = content.replace(".png", ".jpg");
		}
		document.getElementById(containerid).innerHTML = content;
	}
}

function loadobjs()
{
	if (!document.getElementById)
		return;
		
	for (i=0; i<arguments.length; i++)
	{
		var file = arguments[i]
		var fileref= ""
		if (loadedobjects.indexOf(file)==-1)  // Check to see if this object has not already been added to page before proceeding
		{
			// Javascript
			if (file.indexOf(".js")!=-1)
			{
				fileref = document.createElement('script');
				fileref.setAttribute("type","text/javascript");
				fileref.setAttribute("src", file);
			}
			
			// CSS
			else if (file.indexOf(".css")!=-1)
			{
				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
		}
	}
}