if (document.images) 
{
      img1 = new Image();
      img2 = new Image();
      img3 = new Image();
      img4 = new Image();
      img5 = new Image();
      img6 = new Image();
      img7 = new Image();
      img8 = new Image();
      img9 = new Image();
      img10 = new Image();
      img11 = new Image();
      img1.src ="images/link_home_active.gif"; 
      img2.src ="images/link_about_over.gif";  
      img3.src ="images/link_bookings_over.gif"; 
      img4.src ="images/link_buy_over.gif";  
      img5.src ="images/link_contact_over.gif"; 
      img6.src ="images/link_functions_over.gif";  
      img7.src ="images/link_gallery_over.gif";  
      img8.src ="images/link_location_over.gif";  
      img9.src ="images/link_menu_over.gif"; 
      img10.src ="images/link_whatshappening_over.gif"; 
      img11.src ="images/logo_over.jpg"; 
 }