function toggleArticle(idx)
   {
     if (document.getElementById("article" + idx).style.display=="")
     {
       document.getElementById("article" + idx).style.display= "none";
       document.getElementById("toggle" + idx).src= "/images/frame/arrow-rt.gif";
     }
     else
     {
       document.getElementById("article" + idx).style.display= "";
       document.getElementById("toggle" + idx).src= "/images/frame/arrow-down.gif";
     }
   }
   function adjustLayout()
   {
     if (document.getElementById("sidebar").offsetHeight > document.getElementById("content").offsetHeight)
     {
       document.getElementById("content").style.minHeight = (document.getElementById("sidebar").offsetHeight+20) + "px";
     }
   }