window.addEvent('domready', function() {
    var planningSlide   = new Fx.Slide('subnav-planning', {mode: 'horizontal', wait: false}).hide();
    var attendingSlide  = new Fx.Slide('subnav-attending', {mode: 'horizontal', wait: false}).hide();
    var exhibitingSlide = new Fx.Slide('subnav-exhibiting', {mode: 'horizontal', wait: false}).hide();
 
    $('navplanning').addEvent('mouseenter', function(e){
	    e = new Event(e);
	    planningSlide.slideIn();
	    e.stop();
    });
    
    $('navplanning').addEvent('mouseleave', function(e){
	    e = new Event(e);
	    planningSlide.slideOut();
	    e.stop();
    });
    
    $('subnav-planning').addEvent('mouseenter', function(e){
	    e = new Event(e);
	    planningSlide.slideIn();
	    e.stop();
    });
    
    $('subnav-planning').addEvent('mouseleave', function(e){
	    e = new Event(e);
	    planningSlide.slideOut();
	    e.stop();
    });
    
    $('navattending').addEvent('mouseenter', function(e){
	    e = new Event(e);
	    attendingSlide.slideIn();
	    e.stop();
    });
    
    $('navattending').addEvent('mouseleave', function(e){
	    e = new Event(e);
	    attendingSlide.slideOut();
	    e.stop();
    });
    
    $('subnav-attending').addEvent('mouseenter', function(e){
	    e = new Event(e);
	    attendingSlide.slideIn();
	    e.stop();
    });
    
    $('subnav-attending').addEvent('mouseleave', function(e){
	    e = new Event(e);
	    attendingSlide.slideOut();
	    e.stop();
    });
    
    $('navexhibiting').addEvent('mouseenter', function(e){
	    e = new Event(e);
	    exhibitingSlide.slideIn();
	    e.stop();
    });
    
    $('navexhibiting').addEvent('mouseleave', function(e){
	    e = new Event(e);
	    exhibitingSlide.slideOut();
	    e.stop();
    });
    
    $('subnav-exhibiting').addEvent('mouseenter', function(e){
	    e = new Event(e);
	    exhibitingSlide.slideIn();
	    e.stop();
    });
    
    $('subnav-exhibiting').addEvent('mouseleave', function(e){
	    e = new Event(e);
	    exhibitingSlide.slideOut();
	    e.stop();
    });
});