function media_window(URL) { 
capture_media_window = window.open(URL,'capturewindow','menubar=0,toolbar=0,location=0,status=0,scrollbars=0,resizable=1,width=600,height=340,left=0,top=0');
if (window.focus) {
   capture_media_window.focus();
   }
}

function media_focus(){
if(window.focus){ capture_media_window.focus(); }

}