function ExpGroupBy(formObj)
{

  if ((browseris.w3c) && (!browseris.ie)) {
                  document.all=document.getElementsByTagName("*");
  }

  docElts=document.all;
  numElts=docElts.length;
  images=formObj.getElementsByTagName("IMG");
  img=images[0];
  srcPath=img.src;
  index=srcPath.lastIndexOf("/");
  imgName=srcPath.slice(index+1);
  if (imgName=='plus.gif')
  {
                  fOpen=true;
                  displayStr="";
                  img.src='/_layouts/images/minus.gif';
  }
  else
  {
                  fOpen=false;
                  displayStr="none";
                  img.src='/_layouts/images/plus.gif';
  }
  oldName=img.name;
  img.name=img.alt;
  img.alt=oldName;
  spanNode=img;
  while(spanNode !=null)
  {
                  spanNode=spanNode.parentNode;
                  if (spanNode !=null &&
                                  spanNode.id !=null &&
                                  spanNode.id.length > 5 &&
                                  spanNode.id.substr(0, 5)=="group")
                                  break;
  }
  parentNode=spanNode;
  while(parentNode !=null)
  {
                  parentNode=parentNode.parentNode;
                  if (parentNode !=null &&
                                  parentNode.tagName=="TABLE")
                                  break;
  }
  lastNode=null;
  if (parentNode !=null)
  {
                  lastNode=parentNode.lastChild;
                  if (lastNode !=null && lastNode.tagName=="TBODY")
                                  lastNode=lastNode.lastChild;
                  if (lastNode !=null && lastNode.tagName=="TR" && lastNode.lastChild !=null)
                                  lastNode=lastNode.lastChild;
  }
  for(var i=0;i<numElts;i++)
  {
                  var childObj=docElts[i];
                  if (childObj==spanNode)
                                  break;
  }
  ID=spanNode.id.slice(5);
  for(var j=i+1; j<numElts; j++)
  {
                  var childObj=docElts[j];
                  if (childObj.id.length > 5 &&
                                  childObj.id.substr(0, 5)=="group")
                  {
                                  curID=childObj.id.slice(5);
                                  if (curID <=ID)
                                                  return;
                  }
                  parentNode=childObj;
                  while(parentNode !=null)
                  {
                                  parentNode=parentNode.parentElement;
                                  if (parentNode==spanNode)
                                                  break;
                  }
                  if (parentNode==spanNode)
                                  continue;
                  if (childObj !=img &&
                                  childObj.tagName=="IMG" &&
                                  childObj.src &&
                                  childObj.src.slice(childObj.src.length - 25)=='/_layouts/images/plus.gif')
                  {
                                  childObj.src='/_layouts/images/minus.gif';
                                  oldName=childObj.name;
                                  childObj.name=childObj.alt;
                                  childObj.alt=oldName;
                  }
                  if (childObj.tagName==spanNode.tagName &&
                                  childObj.id !="footer")
                  {
                                  childObj.style.display=displayStr;
                  }
                  if ((childObj.tagName=="TABLE" && lastNode==null) || childObj==lastNode)
                                  break;
  }
}