function ShowItem(item)
{
	
	if (item == 'esf')
	{
	   	document.getElementById("esfid").className = "searchesf";
		document.getElementById("zfid").className = "searchzf";	
		document.getElementById("esfDiv").style.display = "";
		document.getElementById("zfDiv").style.display = "none";
	}
	if (item == 'zf')
	{
		document.getElementById("esfid").className = "searchzf";
		document.getElementById("zfid").className = "searchesf";
		
		document.getElementById("zfDiv").style.display = "";
		document.getElementById("esfDiv").style.display = "none";
	}

}