function welcome() {
  alert("buy");
}




//window.onunload = popup;



var cookie="popupmaster222"; 
var exit=true; 
function popup(filename){ 
if(exit){ 
if (getcookie(cookie)==""){ 
var popup = window.open("popup.asp?gid=d25F60863-0DD0-49C9-A908-2F99E6913950", "","height=500,width=745,top=0,left=0,location=no,menubar=no,resizable=yes,scrollbars=yes,status=yes,titlebar=yes,toolbar=no,directories=yes"); 
self.focus(); 
setcookie(); 
} 
} 
} 
function getcookie(cookieName) { 
var id = cookieName + "="; 
var cookievalue = ""; 
if (document.cookie.length > 0) { 
offset = document.cookie.indexOf(id); 
if (offset != -1) { 
cookievalue = "x"; 
} 
} 
return cookievalue; 
} 


function setcookie () { 
var today = new Date(); 
var expdate = new Date(today.getTime() + 1 * 24 * 60 * 60 * 1000 * 31);  //add a month
document.cookie = cookie 
+ "=" 
+ escape ("done")+ ";expires=" + expdate.toGMTString(); 
}