How Do I Detect That My Pop-up Window Failed (due To A Pop-up Blocker)?

Possible Duplicate: How can I detect if a browser is blocking a popup? I want to open a new window (onclick) to a page on Facebook (facebook.com/sharer.php). However, if this fa

Solution 1:

if(!window.open()){
//pop up failed.
}

Solution 2:

$('#anchor').click(function(){

   if(!window.open()){
      //pop up failed.


     window.open('http://www.example.net/'); // open url in new tab
     window.location = "http://www.example.net/" // open in current window

   }

});