function popup(url,width,height) {
	if (width == null) {width ="620"}
	if (height == null) {height ="500"}
	var Win=window.open(url,"displayWindow",'width=' + width + ',height=' + height +
	',resizable=yes,scrollbars=yes,menubar=no,status=no'); 
} 
function popupscroll(url,width,height) { 
	if (width == null) {width ="620"}
	if (height == null) {height ="500"}
	var Win=window.open(url,"displayWindow",'width=' + width + ',height=' + height +
	',resizable=1,scrollbars=yes,menubar=no,status=no'); 
}