function popup(URL) { 
day = new Date(); 
id = day.getTime(); 
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,locationbar=0,resizable=0,width=820,height=440,left = 140,top = 80');"); 
}