function hoverNavi(webroot, title) {
    var naviImg = document.getElementById(title);
    naviImg.src = webroot + "files/images/kitchener/" + title + "_f2.gif";

}

function outNavi(webroot, title) {
    var naviImg = document.getElementById(title);
    naviImg.src = webroot + "files/images/kitchener/" + title + ".gif";

}