lib_Normal1 = new Image(); 
     lib_Normal1.src="graphics/sub_browse_off.gif"; 
     lib_Highlight1 = new Image(); 
     lib_Highlight1.src = "graphics/sub_browse_on.gif";
    
     lib_Normal2 = new Image(); 
     lib_Normal2.src="graphics/sub_search_off.gif"; 
     lib_Highlight2 = new Image(); 
     lib_Highlight2.src = "graphics/sub_search_on.gif";
     
     lib_Normal3 = new Image(); 
     lib_Normal3.src="graphics/sub_login_off.gif"; 
     lib_Highlight3 = new Image(); 
     lib_Highlight3.src = "graphics/sub_login_on.gif";
     
     lib_Normal4 = new Image(); 
     lib_Normal4.src="graphics/sub_register_off.gif"; 
     lib_Highlight4 = new Image(); 
     lib_Highlight4.src = "graphics/sub_register_on.gif";
    
     lib_Normal5 = new Image(); 
     lib_Normal5.src="graphics/sub_lightbox_off.gif"; 
     lib_Highlight5 = new Image(); 
     lib_Highlight5.src = "graphics/sub_lightbox_on.gif";
     
     lib_Normal6 = new Image(); 
     lib_Normal6.src="graphics/sub_orders_off.gif"; 
     lib_Highlight6 = new Image(); 
     lib_Highlight6.src = "graphics/sub_orders_on.gif";
    
     lib_Normal7 = new Image(); 
     lib_Normal7.src="graphics/sub_admin_off.gif"; 
     lib_Highlight7 = new Image(); 
     lib_Highlight7.src = "graphics/sub_admin_on.gif";
         
     lib_Normal8 = new Image(); 
     lib_Normal8.src="graphics/sub_logout_off.gif"; 
     lib_Highlight8 = new Image(); 
     lib_Highlight8.src = "graphics/sub_logout_on.gif";
    
     function Rollover(Imgno,Imgob)
     {
      window.document.images[Imgno].src = Imgob.src;
     }