var winPopup = "";
function popup(url,name,w,h,scroll){
	if (!winPopup.closed && winPopup.location) {
	
		winPopup.location.href = url;
		;
		winPopup.resizeTo(w,h);
		
	}
	else {
	
		var params = "width="+w+",height="+h+",scrollbars="+scroll+",left=0,top=0,resizable=yes";
		
		winPopup = window.open(url, name, params);
		
		if (!winPopup.opener){
		
			winPopup.opener = self;
			}
	}
	if (window.focus){
	
		winPopup.focus();
		}
	return false;
}