//<![CDATA[
$(document).ready(function () {

    $('div.nav_image img').bind('mouseover', function (event) {
        var imageSrc = $(event.currentTarget).attr("src");
        var navItem = imageSrc.substring(imageSrc.lastIndexOf("/") + 1)

        navItem = navItem.substring(0, navItem.indexOf("."));

        if (imageSrc.indexOf("_over") == -1) {
            imageSrc = imageSrc.substring(0, imageSrc.indexOf(".")) + "_over.png";
        }
        $(event.currentTarget).attr("src", imageSrc);
        $("div." + navItem).removeClass("nav_text_over");
        $("div." + navItem).addClass("nav_text_over");
    });

    $('div.nav_image img').bind('mouseout', function (event) {
        var imageSrc = $(event.currentTarget).attr("src");
        if (imageSrc.indexOf("_over") != -1) {
            imageSrc = imageSrc.substring(0, imageSrc.indexOf("_over.png")) + ".png";
        }
        $(event.currentTarget).attr("src", imageSrc);
        $("div.nav_text_over").removeClass("nav_text_over");
    });

});
//]]>