$(document).ready(function(){  
  
   
  
    $("ul.topnav .main_nav_button").mouseover(function() { //When trigger is clicked...  
 
        //Following events are applied to the subnav itself (moving subnav up and down)  
         $(this).parent().find("ul.subnav").slideDown(); //Drop down the subnav on click
		 
   
         $(this).parent().hover(function() {  
         }, function(){  
             $(this).parent().find("ul.subnav").hide(); //When the mouse hovers out of the subnav, move it back up  
         });  
   
         //Following events are applied to the trigger (Hover events for the trigger)  
         }).hover(function() {  
             $(this).addClass("subhover"); //On hover over, add class "subhover"  
         }, function(){  //On Hover Out  
             $(this).removeClass("subhover"); //On hover out, remove class "subhover"  
     });  
	
	
	jQuery('#sub_menu_region').hide();
	
	jQuery('#dd_close_btn').click(function(){
		jQuery('#sub_menu_region').slideUp('slow');
	})
	
	jQuery('#browse_button').toggle(function(){
		jQuery('#sub_menu_region').slideDown('slow');
	}, function() {
		jQuery('#sub_menu_region').slideUp('slow');
	})
   
 });