function treeView(id, imgId, baseURI){
	var flg = "";
	if ((document.getElementById) && navigator.appName.indexOf("Netscape") != -1)
	{
		var disp = document.getElementById(id).style.display;
		flg = "Nes" ;
	}
	else
	{
		var disp = document.all(id).style.display;
	}

	if (disp == "block")
	{
		if (flg == "Nes")
		{
			document.getElementById(id).style.display ="none";
			document.getElementById(imgId).src = baseURI + "img/icon1.gif";
		}
		else
		{
			document.all(id).style.display = "none";
			document.all(imgId).src = baseURI + "img/icon1.gif";
		}
	}
	else
	{
	 	if (flg == "Nes")
	 	{
			document.getElementById(id).style.display = "block";
			document.getElementById(imgId).src = baseURI +  "img/icon2.gif";
		}
		else
		{
				document.all(id).style.display = "block";
				document.all(imgId).src = baseURI + "img/icon2.gif";
		}
	}
}