function MM_preloadImages() { //v3.0
    var d = document; if (d.images) {
        if (!d.MM_p) d.MM_p = new Array();
        var i, j = d.MM_p.length, a = MM_preloadImages.arguments; for (i = 0; i < a.length; i++)
            if (a[i].indexOf("#") != 0) { d.MM_p[j] = new Image; d.MM_p[j++].src = a[i]; }
    }
}



function fnSwap(myimg) {
    var newimg = myimg.src;
    if (newimg.indexOf("_off") > 0) {
        newimg = newimg.replace("_off", "_on");
    } else {
        newimg = newimg.replace("_on", "_off");
    }
    myimg.src = newimg;
}

function fnShowColor(imagename) {
    document.getElementById("MyPic").src = "Pictures/" + imagename;
}

function fnShowImage(image) {
    window.open(image);
}

MM_preloadImages('images/btn_aboutus_on', 'images/btn_collection_on', 'images/btn_store_on', 'images/btn_news_on', 'images/btn_contactus_on', 'images/btn_vie_bag_on.jpg', 'images/btn_add_on.jpg');