// JavaScript Document
function popUp(URL, width, height) {
day = new Date();
id = day.getTime();
var winleft = (screen.width - width) / 2;
var winUp = (screen.height - height) / 2;
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width="+width+",height="+height+",left = "+winleft+",top = "+winUp+"');");
return (eval("page"+id));
}