if (document.images) 
{  
img01on = new Image ;img01off = new Image;  
img02on = new Image ;img02off = new Image;
img03on = new Image ;img03off = new Image;
img04on = new Image ;img04off = new Image;
img05on = new Image ;img05off = new Image;
img06on = new Image ;img06off = new Image;
  
img01on.src = "images/inner_menu_01_over.gif";img01off.src = "images/inner_menu_01.gif"; 
img02on.src = "images/inner_menu_02_over.gif";img02off.src = "images/inner_menu_02.gif";
img03on.src = "images/inner_menu_03_over.gif";img03off.src = "images/inner_menu_03.gif"; 
img04on.src = "images/inner_menu_04_over.gif";img04off.src = "images/inner_menu_04.gif"; 
img05on.src = "images/inner_menu_05_over.gif";img05off.src = "images/inner_menu_05.gif";
img06on.src = "images/inner_menu_06_over.gif";img06off.src = "images/inner_menu_06.gif";
} 
function img_act(imgName) { 
if (document.images) 
{ imgOn = eval (imgName + "on.src"); 
document [imgName].src = imgOn; } } 
function img_inact(imgName) { 
if (document.images) 
{ imgOff = eval(imgName + "off.src"); 
document [imgName].src = imgOff; } }