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

function change(url, containerid){
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){}
}
}
else
return false
page_request.onreadystatechange=function(){
loadpage(page_request, containerid)
}
if (bustcachevar) //if bust caching of external page
var 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))
document.getElementById(containerid).innerHTML=page_request.responseText
}

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
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
}
}
}

net = (document.layers && true);

widgetBuf = (net) ? 0:50

function popWin(url, name, width, height, scroll, resizable) {
	bWidth = (net) ? top.innerWidth:parseInt(top.document.body.clientWidth);
	bHeight = (net) ? top.innerHeight:parseInt(top.document.body.clientHeight);
	bLeft = (net) ? top.screenX:parseInt(top.screenLeft);
	bTop = (net) ? top.screenY:parseInt(top.screenTop);
	scroll = (scroll) ? scroll:"0"
	resizable = (resizable) ? resizable:"no"
	if (!bLeft) {
		bLeft = 0;
		bWidth = screen.width;
	}
	if (!bTop) {
		bTop = 0;
		bHeight = screen.height;
	}
	xer = bLeft + ((bWidth/2) - width/2);
	yer = (bTop - widgetBuf) + ((bHeight/2) - height/2);
	if (xer < 2) {
		xer = 2;
	}
	if (xer < 2) {
		xer = 2;
	}
	
	paramStr = "width=" + width + ",height=" + height + ",screenX=" + xer + ",screenY=" + yer + ",left=" + xer + ",top=" + yer + ",dependent=0,directories=0,location=0,menubar=0,resizable="+resizable+",scrollbars="+scroll+",toolbar=0";
	top[name] = window.open(url, name, paramStr);
	top[name].focus();
}

popups = new Object();

function launchPopUp(name) {
	tP = popups[name];
	popWin(tP.url, website+tP.name, tP.width, tP.height, tP.scroll, tP.resizable);
}

function newPopUp(argObj) {
	popups[argObj.name] = new Object();
	tP = popups[argObj.name];
	tP.name = argObj.name;
	tP.url = argObj.url;
	tP.width = argObj.width;
	tP.height = argObj.height;
	tP.scroll = argObj.scroll;
	tP.resizable = argObj.resizable;
}