function changeColor(element) {
	
		document.getElementById(element).className = 'nav-menu-MouseOver';
		document.getElementById(element+'Link').style.color='#666666';
		document.getElementById(element+'Nav').style.visibility = 'visible';
	}
	
	function resetColor (element) {
		document.getElementById(element).className = '';
		document.getElementById(element+'Link').style.color='#FFFFFF';
	}