//scale buttons
function scaleUpButton( element ){
	var btn = document.getElementById(element);
	btn.width = 176;
	btn.height = 176;
	btn.style.marginTop = "-8px";/*"392px";*/
	btn.style.marginLeft = "-8px";
}

function scaleDownButton( element ){
	var btn = document.getElementById(element);
	btn.width = 160;
	btn.height = 160;
	btn.style.marginTop = "0px";/*"400px";*/
	btn.style.marginLeft = "0px";
}