function popup(strURL,nW,nH){
	var objWin = window.open(strURL,"Info","toolbar=yes,menubar=yes,scrollbars=yes,resizable=yes,height="+(nH+20)+"px,width="+(nW+16)+"px,left=50px,top=50px");
	return (typeof(objWin)!="object")?true:false;
}