if (document.images) {
  img_on = Array(6);
  img_off = Array(6);
  


  img_on[0] =new Image();  img_on[0].src ="images/giftsover.gif";
  img_off[0] =new Image(); img_off[0].src="images/gifts.gif";

  img_on[1] =new Image();  img_on[1].src ="images/mooringsover.gif";
  img_off[1] =new Image(); img_off[1].src="images/moorings.gif";
  
  img_on[2] =new Image();  img_on[2].src ="images/boatover.gif";
  img_off[2] =new Image(); img_off[2].src="images/boat.gif";

  img_on[3] =new Image();  img_on[3].src ="images/kayakover.gif";
  img_off[3] =new Image(); img_off[3].src="images/kayak.gif";

  img_on[4] =new Image();  img_on[4].src ="images/hereover.gif";
  img_off[4] =new Image(); img_off[4].src="images/here.gif";  
  
  img_on[5] =new Image();  img_on[5].src ="images/fishover.gif";
  img_off[5] =new Image(); img_off[5].src="images/fish.gif";    
  
  img_on[6] =new Image();  img_on[6].src ="images/coffeeover.gif";
  img_off[6] =new Image(); img_off[6].src="images/coffee.gif";    
  
  img_on[7] =new Image();  img_on[7].src ="images/baitover.gif";
  img_off[7] =new Image(); img_off[7].src="images/bait.gif";  
  
  img_on[8] =new Image();  img_on[8].src ="images/logoover.gif";
  img_off[8] =new Image(); img_off[8].src="images/logo.gif";
}

function imgOver(img,idx) {
 if (document.images) img.src=img_on[idx].src;
 return true;
}

function imgOut(img,idx) {
 if (document.images) img.src=img_off[idx].src;
 return true;
}