window.onunload = CloseBWPopUpWindowVideo;
var BWPopUpWindowVideo;

function PopUpWindowVideo(url) {
    BWPopUpWindowVideo=window.open(url,'BWPopUpWindowVideo','height=630,width=780,top=50,left=100,status=0');
    if (window.focus) {BWPopUpWindowVideo.focus()}
    return false;
}

function CloseBWPopUpWindowVideo()
{
     if(BWPopUpWindowVideo!=null && BWPopUpWindowVideo.closed == false) 
     {
        BWPopUpWindowVideo.close ();
     }
}