function popupcenter(URL,WIDTH,HEIGHT) {
	alert(URL);
var winl = (screen.width-WIDTH)/2;
var wint = (screen.height-HEIGHT)/2;
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=" + WIDTH + ",height=" + HEIGHT + ",left=" + winl + ",top=" + wint + "');");
}