// JavaScript Document
function findA(obj)
{
     TagA=obj.getElementsByTagName("a");
     if (TagA.length>0)
         return TagA[0];
}

function findContentDIV(obj)
{
     TagDiv=obj.childNodes;
     var arrDiv = new Array;
     for(i=0;i<TagDiv.length;i++)
     {
          var objDiv = TagDiv[i];
          var re = /div/i;
          var arr = re.exec(objDiv.tagName);
          if(arr != null)
          {
               if(arr.index == 0)
               {
                    arrDiv.push(objDiv);
               }
          }    
     }
     return arrDiv;
}

function chShift(o,divGroupID)
{
     o.style.cursor="pointer";
     var t=o.parentNode;
     var tA=t.getElementsByTagName("a");   
     var tGroup=document.getElementById(divGroupID);
     var tGroupDIV=findContentDIV(tGroup);

     for(i=0;i<tA.length;i++)
     { 
          tA[i].className= null;   
          tGroupDIV[i].style.display="none";
          if(tA[i]==findA(o))
          {
               tA[i].className="on";
               tGroupDIV[i].style.display="block";
          }
     }
}