menu1_on   = new Image(139,133); menu1_on.src    = "menu1_on.jpg";
menu1_off = new Image(139,133); menu1_off.src  = "menu1_off.jpg";

menu2_on   = new Image(108,133); menu2_on.src    = "../img/menu2_on.jpg";
menu2_off = new Image(108,133); menu2_off.src  = "../img/menu2_off.jpg";

menu3_on   = new Image(191,133); menu3_on.src    = "../img/menu3_on.jpg";
menu3_off = new Image(191,133); menu3_off.src  = "../img/menu3_off.jpg";


function deact (imagename)      
{ 
if (document.images)
document[imagename].src = eval(imagename + "_off.src"); 
}
function act (imagename)
{
if (document.images)         
document[imagename].src = eval(imagename + "_on.src");  
}