function getStyle(el,styleProp){
	var x = document.getElementById(el);
	if (x.currentStyle)
		var y = x.currentStyle[styleProp];
	else if (window.getComputedStyle)
		var y = document.defaultView.getComputedStyle(x,null).getPropertyValue(styleProp);
	return y;
}


function expand(id,size){
	var value = getStyle(id,'height');
	var content = document.getElementById(id).style.height=value;
	if (value == size){
		value = 'auto';
		content = document.getElementById(id).style.height=value;
	}else{
		value = size;
		content = document.getElementById(id).style.height=value;
	}
}

function preloadImg(image) {
	var img = new Image();
	img.src = image;
}


/***********************************************
* Dynamic Ajax Content- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

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

function ajaxpage(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
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
	}
}
}