// preload active images
if (document.images) {            

    img0on = new Image();      
    img0on.src = "/images/btn_home_on_hm.jpg"; 
    img0off = new Image(); 
    img0off.src = "/images/btn_home_hm.jpg";  

    img1on = new Image();      
    img1on.src = "/images/btn_aboutus_on_hm.jpg"; 
    img1off = new Image(); 
    img1off.src = "/images/btn_aboutus_hm.jpg";  

    img2on = new Image();      
    img2on.src = "/images/btn_products_on_hm.jpg"; 
    img2off = new Image(); 
    img2off.src = "/images/btn_products_hm.jpg";  

    img3on = new Image();      
    img3on.src = "/images/btn_buy_on_hm.jpg"; 
    img3off = new Image(); 
    img3off.src = "/images/btn_buy_hm.jpg";  

    img4on = new Image();      
    img4on.src = "/images/btn_store_on_hm.jpg"; 
    img4off = new Image(); 
    img4off.src = "/images/btn_store_hm.jpg";  

    img5on = new Image();      
    img5on.src = "/images/btn_contact_on_hm.jpg"; 
    img5off = new Image(); 
    img5off.src = "/images/btn_contact_hm.jpg";  

    img6on = new Image();      
    img6on.src = "/images/btn_news_on_hm.jpg"; 
    img6off = new Image(); 
    img6off.src = "/images/btn_news_hm.jpg";  

    img7on = new Image();      
    img7on.src = "/images/btn_registration_on_hm.jpg"; 
    img7off = new Image(); 
    img7off.src = "/images/btn_registration_hm.jpg";  

    img8on = new Image();      
    img8on.src = "/images/btn_downloads_on_hm.jpg"; 
    img8off = new Image(); 
    img8off.src = "/images/btn_downloads_hm.jpg";  

    img9on = new Image();      
    img9on.src = "/images/btn_shoppingcarttop_on_hm.jpg"; 
    img9off = new Image(); 
    img9off.src = "/images/btn_shoppingcarttop_hm.jpg";  

    img10on = new Image();      
    img10on.src = "/images/Btn_AttachPlus_ON.jpg"; 
    img10off = new Image(); 
    img10off.src = "/images/Btn_AttachPlus.jpg";  
	
    img12on = new Image();      
    img12on.src = "/images/btn_sale_on.gif"; 
    img12off = new Image(); 
    img12off.src = "/images/btn_sale.gif";  


}


// Function to 'activate' images.
function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
        }
}

// Function to 'deactivate' images.
function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
        }
}