window.addEvent( 'domready', function() {
	
	$$('.menu-block').each( function( element ){
		
    element.onmouseover = function(){
      this.className='menu-block menu-block-hover';
    }
		
    element.onmouseout = function(){
      this.className='menu-block';
    }
	});
	
	$$('.sub-menu-link').each( function( element ){
    element.onmouseover = function(){
      this.className='sub-menu-link-hover';
    }
		
    element.onmouseout = function(){
      this.className='sub-menu-link';
    }
	});
	
	$$('.sub-menu-3level-link').each( function( element ){
    element.onmouseover = function(){
      this.className='sub-menu-3level-link-hover';
    }
		
    element.onmouseout = function(){
      this.className='sub-menu-3level-link';
    }
	});

});