function popUp(URL) {
    day = new Date();
    id = day.getTime();
    eval("page" + id + " = window.open(URL, '" + id + "', 	'toolbar=0,scrollbars=0,location=0,statusbar=1,menubar=0,resizable=0,width=515,height=315,left = 502.5,top = 302');");
}