function playVideo(sourceId, targetId)
{
    if (typeof(sourceId)=='string')
    {
       sourceId=document.getElementById(sourceId);
    }

    if (typeof(targetId)=='string')
    {

      targetId=document.getElementById(targetId);

    }

    targetId.innerHTML=sourceId.innerHTML;

    return false;
}



<!--------------------------------------------------------------------------------------------------------->


var popvid = null; // will store the window reference

function popWin(divId) {
if (typeof(divId)=='string') { divId=document.getElementById(divId); }
if (!popvid||popvid.closed) {
popvid=window.open('','vidplayer','width=450,height=390,status=no');
}
popvid.document.body.style.backgroundColor='#EDEDED';
popvid.focus();
popvid.document.body.innerHTML='<BR><center>'+divId.innerHTML+'</center>';
return false;
}

window.onunload=function() {
// if the user is navigating away from the page, check to see if we
// opened a video window and if we did, make sure it's closed.
if (popvid) {
popvid.close();
}
}