window.addEvent('domready', function(){
 $$('a img').each(function(img){
    img.set('opacity', 1).addEvents({
		   'mouseover': function(){this.fade(0.7);},
           'mouseout': function(){this.fade(1);}
        });
	    });
		
		
		 $$('#seknav a, #topnav a').each(function(img){
    img.set('opacity', 1).addEvents({
		   'mouseover': function(){this.fade(0.5);},
           'mouseout': function(){this.fade(1);}
        });
	    });
		
	});