function openitem(obj,itemid)
{	
	var oldsrc = obj.src;
	var isPlus = oldsrc.lastIndexOf("template/+.gif"); 
	var s=document.getElementById(itemid).style.display;
	if (isPlus < 0)
	{
 
		 obj.src = oldsrc.replace("template/-.gif","template/+.gif"); 
		 document.getElementById(itemid).style.display = "none";
	} 
	else
	{ 
		 obj.src = oldsrc.replace("template/+.gif","template/-.gif"); 
		 document.getElementById(itemid).style.display = "";
	}

}