var NavMenu = {
			mouseover_color: new Array('nav-home-mo', '#FF1100', '#FF1100', '#FF1100', '#FF1100', '#FF6600', '#FF7700', '#FF8800', '#FF9900'),
			base_color: '#FFFFFF',
			
			initialize: function () {
				var _this = this;
				var counter = 0;
				
				$$('a.nav-button').each(function(el) {
					// mouse over
					el.addEvent('mouseover', function(e) {
						e.stop();
						el.set({style: ('background-color: ' + _this.mouseover_color[counter++])});
					});
					// mouse out
					el.addEvent('mouseout', function(e) {
						e.stop();
						el.set({style: ('background-color: ' + _this.base_color)});
					});
				});
			}
		};