function dis(div_id){ 
	div_id.style.display = div_id.style.display == "none" ? "" : "none" 
	} 

	function addCookie(){
	var dEx = new Date();
	dEx.setYear(dEx.getFullYear()+3);
	document.cookie="AdHide=true;expires="+dEx.toGMTString();
	}

	function removeCookie(){
	var dEx2 = new Date();
	dEx2.setYear(dEx2.getFullYear()+3);
	document.cookie="AdHide=false;expires="+dEx2.toGMTString();
	}