// JavaScript Document
<!----  Preload images
if (document.images) {
   nav1_on = new Image(); nav1_on.src = "images/NavLeftOver.gif";
   nav1_off = new Image(); nav1_off.src = "images/NavLeft.gif"; 
   nav2_on = new Image(); nav2_on.src = "images/NavRightOver.gif";
   nav2_off = new Image(); nav2_off.src = "images/NavRight.gif"; 
   nav3_on = new Image(); nav3_on.src = "images/NavLeftOver.gif";
   nav3_off = new Image(); nav3_off.src = "images/NavLeft.gif"; 
   nav4_on = new Image(); nav4_on.src = "images/NavRightOver.gif";
   nav4_off = new Image(); nav4_off.src = "images/NavRight.gif"; 
}
function navovr(k) {
 if (document.images) 
  eval('document.nav'+k+'.src=nav'+k+'_on.src');
}

function navout(k) {
 if (document.images) 
  eval('document.nav'+k+'.src=nav'+k+'_off.src');
}
//-->