function expandCollapse(id, openBTN, closeBTN)
{	
	elmntName = "hidden"+id;
	var elmnt = findElmnt(elmntName);  
	var btn = findElmnt("ex"+id);  
	if( elmnt.style ) {
		elmnt = elmnt.style;
	} 
	if(elmnt.display =="none")
	{
		changeDisplay(elmntName,"block");		
		btn.innerHTML = closeBTN;
	} else {
		changeDisplay(elmntName,"none");
		btn.innerHTML = openBTN;
	}
}
function changeCls(id,cls)//CHANGES class to cls and returns original class
{	
	var elmnt = findElmnt(id); 
	var oldCls = elmnt.className;
	if(elmnt != null && !is_ie())
		elmnt.className = cls;		
	return oldCls;
}
function btnLink(target)
{
	while((loc = target.indexOf("&"))!=-1)
	{
		target = target.replace(/&/,"&");	
	}
	location.href = target;
}
function changeBTN(obj,cls)
{	
	obj.className = cls;
}
function roll(img,path)
{
	img.src = path;
}