function SetClass(vState,vDept,vId)
{
   try
   {
   document.getElementById("td_"+vId).className = "header_link" + vState;
   document.getElementById("tdn_"+vId).className = "header_num_link" + vState;

   document.getElementById("td_"+vDept).className = "header_link_selected";
   document.getElementById("tdn_"+vDept).className = "header_num_link_selected";
   }catch(e){};
}