function showDesc(desc,target)
{
   if (desc == '')
    {
	document.getElementById(target).innerHTML =  '';
    } else {
	document.getElementById(target).innerHTML =  desc ;
    }
}

function changeStyle(tdid,aid,cname,bool)
{
   document.getElementById(tdid).className = cname + "_" + bool;  
   document.getElementById(aid).className = cname + "_" + bool;  
}

function changeLinkStyle(id,cname,bool)
{
   document.getElementById(id).className = cname + "_" + bool;  
}

function rollOver(path,button,bool,id)
{
  document.images[id].src = path + button + "_" + bool + ".gif";
}