function displayN(div){
			document.getElementById(div).style.visibility="hidden";
		}
function visibilityOn(div){
		document.getElementById(div).style.visibility = "visible";
	}
function displayNHomeArea(div,div2){

	document.getElementById(div).style.visibility="hidden";

        document.getElementById(div2).style.visibility = "visible";
}

function visibilityOnHomeArea(div,div2){

        document.getElementById(div).style.visibility = "visible";

        document.getElementById(div2).style.visibility="hidden";

}