function Msn() { //v2.0
  window.open('messenger.htm','messenger','resizable=yes,width=320,height=320');
}

function SWFDelegate(url,width,height,caption) {
   var objLink = document.createElement('a');
   objLink.setAttribute('href',url);
   objLink.setAttribute('rel','lightbox');
   objLink.setAttribute('title',caption);
   if(typeof width != 'undefined') {
      objLink.setAttribute('width',width);
   }
   if(typeof height != 'undefined') {
      objLink.setAttribute('height',height);
   }
   Lightbox.prototype.start(objLink);
}