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);
	var displayStr="auto";
	if (imgName=='plus.gif')
	{
		displayStr="";
		img.src='/_layouts/images/minus.gif';
	}
	else
	{
		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.item(i);
		if (childObj==spanNode)
			break;
	}
	ID=spanNode.id.slice(5);
	displayStyle=displayStr;
	for(var j=i+1; j<numElts; j++)
	{
		var childObj=docElts.item(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.parentNode;
			if (parentNode==spanNode)
				break;
		}
		if (parentNode==spanNode)
			continue;
		if (childObj.id !=null && childObj.id.substring(0, 5)=="group")
			displayStr=displayStyle;
		if (childObj.id !=null && childObj.id.substring(0, 8)=="footer"+ID)
			displayStr=displayStyle;
		if (displayStyle !="none" &&
			childObj !=img &&
			childObj.tagName=="IMG" &&
			childObj.src !=null)
		{
			if (childObj.src.slice(childObj.src.length - 25)=='/_layouts/images/plus.gif')
			{
				displayStr="none";
			}
			else if (childObj.src.slice(childObj.src.length - 26)=='/_layouts/images/minus.gif')
			{
				displayStr="";
			}
		}
		if (childObj.tagName==spanNode.tagName &&
			childObj.id !="footer")
		{
			childObj.style.display=displayStr;
		}
		if ((childObj.tagName=="TABLE" && lastNode==null) || childObj==lastNode)
			break;
	}
}