var flag = false;

function imageLoad() {  // called with onLoad()
    if (document.images) {
        img1on = new Image(); img1on.src = "/img/btn_find_on.gif";
        img2on = new Image(); img2on.src = "/img/gnav_email_on.gif";
        img3on = new Image(); img3on.src = "/img/gnav_asearch_on.gif";
        img4on = new Image(); img4on.src = "/img/home_allman_on.gif";
        img5on = new Image(); img5on.src = "/img/gnav_home_on.gif";
        img6on = new Image(); img6on.src = "/img/gnav_about_on.gif";
        img7on = new Image(); img7on.src = "/img/gnav_manf_on.gif";
        img8on = new Image(); img8on.src = "/img/gnav_contact_on.gif";
        img9on = new Image(); img9on.src = "/img/gnav_sp_on.gif";
		img10on = new Image(); img10on.src = "/img/icon_download_r.gif";
		img11on = new Image(); img11on.src = "/img/about_snav_about_roll.gif";
		img12on = new Image(); img12on.src = "/img/about_snav_also_roll.gif";
		img13on = new Image(); img13on.src = "/img/about_snav_shipping_roll.gif";
		img14on = new Image(); img14on.src = "/img/contact_main_rt_roll.gif";
		img15on = new Image(); img15on.src = "/img/btn_next_arrow_roll.gif";
		img16on = new Image(); img16on.src = "/img/btn_search_again_roll.gif";
		img17taon = new Image(); img17taon.src = "/img/btn_prev_arrow_roll.gif";
		img17baon = new Image(); img17baon.src = "/img/btn_prev_arrow_roll.gif";
		img17tbon = new Image(); img17tbon.src = "/img/btn_next_arrow_roll.gif";
		img17bbon = new Image(); img17bbon.src = "/img/btn_next_arrow_roll.gif";
		img18on = new Image(); img18on.src = "/img/icon_download_r.gif";
        return (flag = true);  // set the flag and let the function know know it can work
    }
}

if (document.images) {   // load the off images 
    img1off = new Image(); img1off.src = "/img/btn_find.gif";
    img2off = new Image(); img2off.src = "/img/gnav_email.gif";
	img3off = new Image(); img3off.src = "/img/gnav_asearch.gif";
	img4off = new Image(); img4off.src = "/img/home_allman.gif";
	img5off = new Image(); img5off.src = "/img/gnav_home.gif";
	img6off = new Image(); img6off.src = "/img/gnav_about.gif";
	img7off = new Image(); img7off.src = "/img/gnav_manf.gif";
	img8off = new Image(); img8off.src = "/img/gnav_contact.gif";
	img9off = new Image(); img9off.src = "/img/gnav_sp.gif";
	img10off = new Image(); img10off.src = "/img/home_icon_line.gif";
	img11off = new Image(); img11off.src = "/img/about_snav_about_off.gif";
	img12off = new Image(); img12off.src = "/img/about_snav_also_off.gif";
	img13off = new Image(); img13off.src = "/img/about_snav_shipping_off.gif";
	img14off = new Image(); img14off.src = "/img/contact_main_rt.gif";
	img15off = new Image(); img15off.src = "/img/btn_next_arrow.gif";
	img16off = new Image(); img16off.src = "/img/btn_search_again.gif";
	img17taoff = new Image(); img17taoff.src = "/img/btn_prev_arrow.gif";
	img17baoff = new Image(); img17baoff.src = "/img/btn_prev_arrow.gif";
	img17tboff = new Image(); img17tboff.src = "/img/btn_next_arrow.gif";
	img17bboff = new Image(); img17bboff.src = "/img/btn_next_arrow.gif";
	img18off = new Image(); img18off.src = "/img/home_icon_line.gif";
}


function rollIn(imgName) {
    if (document.images && (flag == true)) {
        document[imgName].src = eval(imgName + "on.src");
    }
}

function rollOut(imgName) {  // the normal onMouseOut function
    if (document.images){
        document[imgName].src = eval(imgName + "off.src");
    }
}