window.addEvent('domready', function(){
  
  current_url = window.location.toString();
	current_url = current_url.replace("http://", "");
	current_url = current_url + "/";
	current_url = current_url.replace("//", "/");
	
  //custom nav expander
  
  $$('li.parent').each(function(element){
    hiddenArea = element.getElement('ul');
  
  	if (hiddenArea){
  	  if (current_url.contains("classes"))
      {
        hiddenArea.removeClass("hidden");
      }
      else
      {
    	  var mySlide = new Fx.Slide(hiddenArea);
  	
      	mySlide.hide();
      	hiddenArea.removeClass("hidden");
      	element.addEvent('mouseenter', function(e){
    		  mySlide.slideIn();
    	  });
    	  if (window.ie6 == false && window.ie7 == false){
    	    hiddenArea.addEvent('mouseleave', function(e){
    		    mySlide.slideOut();
    	    });
  	    }
    	}
    }    
  });
  
  $$('.classes li.parent').each(function(element){
    hiddenArea = element.getElement('ul');
  
  	if (hiddenArea){
  	  var mySlide = new Fx.Slide(hiddenArea);
	
    	mySlide.hide();
    	hiddenArea.removeClass("hidden");

    	element.addEvent('mouseenter', function(e){
  		  mySlide.slideIn();
  	  });
  	  element.addEvent('mouseleave', function(e){
  		  mySlide.slideOut();
  	  });
    }    
  });

  
});