// pop-up window

function openWindow(url,name,features) {
       var p = self['popUp'+name];
       if (p&&!p.closed) {
        p.focus();
        p.location = url
       }
       else {
        p = self['popUp'+name] = window.open(url,name,features)
        p.focus()
      }
      return p
}


function launchHighVideo(url) {
    openWindow(url, 'HighVideo', 'scrollbars=no,resizable=no,width=660,height=560').focus()
}

function launchLowVideo(url) {
    openWindow(url, 'LowVideo', 'scrollbars=no,resizable=no,width=340,height=320').focus()
}