how to check pop up windows

[Vijay Kumar]

hi
i have been wrking webapp in which I open a pop up window from parent window. If I click on the button to open a pop up window again then is should display a message like a 'window is already opend..'
thanks

[Eric Pascarello]

Basic idea:

<script>
  var winPopw
  function closePops(){
    if(winPop[i] && !winPop[i].closed){
      alert("Window is already open");
    }
    else{
      winPop = window.open("about:blank");
    }
  }  
</script>

Eric