(function($){
 $.fn.menuRollover = function(options) {

   var defaults = {
     height: 30,
     width: 200
   }

   var options = $.extend(defaults, options);

  return this.each(function() {
       
    
    var link=$(this);
    link.css('display','block').css('position','relative').css('overflow','hidden').css('height',options.height + "px").css('width',options.width + "px");
    
    var innerContent=$(this).children('img');
    innerContent.css('position','absolute').css('left',"0px").css('top','0px');
    
    if($(this).hasClass('.selected')){
      innerContent.css('bottom','0px').css('top','');
      return;
    }   
    
    link.hover(function() {      
      innerContent.css('bottom','0px').css('top','');
    },function() {
      innerContent.css('top','0px');
    });
    
  });
 };
})(jQuery);