function toggleDivVis(divname){

	var whichEl = document.all.item(divname);
	if (whichEl !=null && whichEl.length == null) {
	    	if (whichEl.style.display == "none") {
				whichEl.style.display = "block";
			}else{
				whichEl.style.display = "none";
			}
	}
}

function hideDiv(divname){
	var whichEl = document.all.item(divname);
	if (whichEl !=null && whichEl.length == null) {
	    whichEl.style.display = "none";
	}
}

function showDiv(divname){
	var whichEl = document.all.item(divname);
	if (whichEl !=null && whichEl.length == null) {
	    whichEl.style.display = "block";
	}
}	
function popup(url,name,width,height) {
	window.open(url,name,'width='+width+',height='+height+',scrollbars=1,resizable=1,status=1');
}