var zero_off = new Image();
   	zero_off.src = "images/top1_membership.gif";
   	var zero_on = new Image();
   	zero_on.src = "images/top1_membership_over.gif";
	
	var first_off = new Image();
   	first_off.src = "images/top1_about_on.gif";
   	var first_on = new Image();
   	first_on.src = "images/top1_about_on.gif";

	var second_off = new Image();
   	second_off.src = "images/top1_loc.gif";
   	var second_on = new Image();
  	second_on.src = "images/top1_loc_over.gif";

	var third_off = new Image();
   	third_off.src = "images/top1_contact.gif";
   	var third_on = new Image();
  	third_on.src = "images/top1_contact_over.gif";
  
	var fourth_off = new Image();
   	fourth_off.src = "images/top3_sci.gif";
   	var fourth_on = new Image();
  	fourth_on.src = "images/top3_sci_over.gif";
  
	var fifth_off = new Image();
   	fifth_off.src = "images/top3_history.gif";
   	var fifth_on = new Image();
  	fifth_on.src = "images/top3_history_over.gif";

	var sixth_off = new Image();
   	sixth_off.src = "images/top3_ex.gif";
   	var sixth_on = new Image();
  	sixth_on.src = "images/top3_ex_over.gif";

	var seventh_off = new Image();
   	seventh_off.src = "images/top3_pro.gif";
   	var seventh_on = new Image();
  	seventh_on.src = "images/top3_pro_over.gif";

	var eighth_off = new Image();
   	eighth_off.src = "images/top3_capes.gif";
   	var eighth_on = new Image();
  	eighth_on.src = "images/top3_capes_over.gif";

	var ninth_off = new Image();
   	ninth_off.src = "images/top3_comoxvalley.gif";
   	var ninth_on = new Image();
  	ninth_on.src = "images/top3_comoxvalley_over.gif";

	var tenth_off = new Image();
   	tenth_off.src = "images/top3_kids.gif";
   	var tenth_on = new Image();
  	tenth_on.src = "images/top3_kids_over.gif";

	var eleventh_off = new Image();
   	eleventh_off.src = "images/top3_shop.gif";
   	var eleventh_on = new Image();
  	eleventh_on.src = "images/top3_shop_over.gif";

   function activate(imgName) {
     if ( eval(imgName + "_on.src") ) {
       document.images[imgName].src = eval(imgName + "_on.src");
     }
   }

   function deactivate(imgName) {
     if ( eval(imgName + "_off.src") ) {
       document.images[imgName].src = eval(imgName + "_off.src");
     }
   }