function toggle2(theDiv4,theDiv5) 
{
     var elem = document.getElementById(theDiv4);
	 var elem4 = document.getElementById("Layer1");
	 var elem5 = document.getElementById("Layer2");
	 var elem6= document.getElementById("Layer3");
	 var elem7= document.getElementById("Layer4");
	 		
			elem4.style.display="none";
		 	elem5.style.display="none";
			elem6.style.display="none";
			elem7.style.display="none";
	
	document.getElementById("lead1").className ='lead_nothighlighted';
	document.getElementById("lead2").className ="lead_nothighlighted";
	document.getElementById("lead3").className ="lead_nothighlighted";
	document.getElementById("lead4").className ="lead_nothighlighted";
			elem.style.display="block";
			document.getElementById(theDiv5).className= "lead_highlighted";
}