function win(URL) { 
day = new Date(); 
id = day.getTime(); 
eval("page" + id + " = window.open(URL, \'" + id + "\', \'toolbar=0,scrollbars=1,location=0,status=0,menubar=0,resizable=0,width=510,height=440,left = 100,top = 75\');"); 
}