window.addEvent('domready', function(){	
	$('nav1').addEvents({
		'mouseenter': function(){
			$('nav1').set('morph', {
				link: 'chain'
			});
			$('nav1').morph('.nav_hover');
			$('overlay').set('morph', {
				link: 'chain'
			});
			$('overlay').morph('.ovr_hover');
		},
		'mouseleave': function(){
			// Morphes back to the original style
			$('nav1').morph('.nav_start');
			$('overlay').morph('.ovr_start');
		}
	});	
});

window.addEvent('domready', function(){	
	$('nav2').addEvents({
		'mouseenter': function(){
			$('nav2').set('morph', {
				link: 'chain'
			});
			$('nav2').morph('.nav_hover');
			$('overlay').set('morph', {
				link: 'chain'
			});
			$('overlay').morph('.ovr_hover');
		},
		'mouseleave': function(){
			// Morphes back to the original style
			$('nav2').morph('.nav_start');
			$('overlay').morph('.ovr_start');
		}
	});	
});

window.addEvent('domready', function(){	
	$('nav3').addEvents({
		'mouseenter': function(){
			$('nav3').set('morph', {
				link: 'chain'
			});
			$('nav3').morph('.nav_hover');
			$('overlay').set('morph', {
				link: 'chain'
			});
			$('overlay').morph('.ovr_hover');
		},
		'mouseleave': function(){
			// Morphes back to the original style
			$('nav3').morph('.nav_start');
			$('overlay').morph('.ovr_start');
		}
	});	
});

window.addEvent('domready', function(){	
	$('nav4').addEvents({
		'mouseenter': function(){
			$('nav4').set('morph', {
				link: 'chain'
			});
			$('nav4').morph('.nav_hover');
			$('overlay').set('morph', {
				link: 'chain'
			});
			$('overlay').morph('.ovr_hover');
		},
		'mouseleave': function(){
			// Morphes back to the original style
			$('nav4').morph('.nav_start');
			$('overlay').morph('.ovr_start');
		}
	});	
});