function popup(url,width,height,name){
		if (width == null) width = 400;
		if (height == null) height = 425;
		if (name == null) name = "details";
		var props = "toolbar=no,location=no,status=no,scrollbars=yes,resizable=yes,titlebar=no,menubar=no,width="+width+",height="+height;
		w = window.open(url, name, props);
		if (w) {
		w.focus();
		}
}