if (document.images) { 

 var img1on = new Image();
img1on.src = "img/menu/menu_top2.gif";
 var img1off = new Image();
img1off.src = "img/menu/menu_top.gif";

 var img2on = new Image();
img2on.src = "img/menu/menu_news2.gif";
 var img2off = new Image();
img2off.src = "img/menu/menu_news.gif";

 var img3on = new Image();
img3on.src = "img/menu/menu_stg2.gif";
 var img3off = new Image();
img3off.src = "img/menu/menu_stg.gif";

 var img4on = new Image();
img4on.src = "img/menu/menu_live2.gif";
 var img4off = new Image();
img4off.src = "img/menu/menu_live.gif";

 var img5on = new Image();
img5on.src = "img/menu/menu_bio2.gif";
 var img5off = new Image();
img5off.src = "img/menu/menu_bio.gif";

 var img6on = new Image();
img6on.src = "img/menu/menu_disc2.gif";
 var img6off = new Image();
img6off.src = "img/menu/menu_disc.gif";

 var img7on = new Image();
img7on.src = "img/menu/menu_dvd2.gif";
 var img7off = new Image();
img7off.src = "img/menu/menu_dvd.gif";

 var img8on = new Image();
img8on.src = "img/menu/menu_back2.gif";
 var img8off = new Image();
img8off.src = "img/menu/menu_back.gif";

 var img9on = new Image();
img9on.src = "img/menu/menu_prof2.gif";
 var img9off = new Image();
img9off.src = "img/menu/menu_prof.gif";

 var img10on = new Image();
img10on.src = "img/menu/menu_boot2.gif";
 var img10off = new Image();
img10off.src = "img/menu/menu_boot.gif";

 var img11on = new Image();
img11on.src = "img/menu/menu_bbs2.gif";
 var img11off = new Image();
img11off.src = "img/menu/menu_bbs.gif";

 var img12on = new Image();
img12on.src = "img/menu/menu_apollo2.gif";
 var img12off = new Image();
img12off.src = "img/menu/menu_apollo.gif";

}


 function On(name) { 

 if (document.images) { 
 document.images[name].src = eval(name + 'on.src'); 
 } 
 }
 function Off(name) { 

 if (document.images) { 
 document.images[name].src = eval(name + 'off.src'); 
 } 
 }