function popUp(URL) {
 day = new Date();
 id = day.getTime();
 eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=300,height=275,left = 50,top = 10');");
 }