function popdown(link) {
   var dest=document.getElementById('floatBox');
   dest.style.display="none";
}

function popup(link, t, img) {
   var dest=document.getElementById('floatBox');
   if (dest==null) return;
   
   if (img != '') {
      t='<img src="'+img+'" style="float:right;margin:3px" height="60px">'+t;
   }

   if (t != '') {
      dest.innerHTML="<font face=Verdana size=2>"+t+"</font>";
      var o=link;
      var t=25;
      var l=0;
      while (o) {
          t+=o.offsetTop;
          l+=o.offsetLeft;
          o=o.offsetParent;
      }
      t+=link.offsetHeight;
      dest.style.top=t+"px";
      dest.style.left=l+"px";
      dest.style.display="block";
   }
}

function commentary (desc)
{
   var win = window.open('','commentary','width=600,height=400');
   win.document.documentElement.innerHTML=desc;
}