www.noosh.com/company/careers.asp
点击careers时出现的隐含菜单,急急.

java做的
var preloadFlag = false;
function preloadImages() {
    if (document.images) {
    image1on = newImage("../images/Top/home_on.gif");
    image1off = newImage("../images/Top/home_off.gif");
    image2on = newImage("../images/Top/company_on.gif");
    image2off = newImage("../images/Top/company_off.gif");
    image3on = newImage("../images/Top/solutions_on.gif");
    image3off = newImage("../images/Top/solutions_off.gif");
    image4on = newImage("../images/Top/services_on.gif");
    image4off = newImage("../images/Top/services_off.gif");
    image5on = newImage("../images/Top/customers_on.gif");
    image5off = newImage("../images/Top/customers_off.gif");
    image6on = newImage("../images/Top/alliances_on.gif");
    image6off = newImage("../images/Top/alliances_off.gif");
    image7on = newImage("../images/Top/newsevents_on.gif");
    image7off = newImage("../images/Top/newsevents_off.gif");

    image8on = newImage("../images/LeftNav/company/co_about_on.gif");
    image8off = newImage("../images/LeftNav/company/co_about_off.gif");
    image9on = newImage("../images/LeftNav/company/co_mgmt_on.gif");
    image9off = newImage("../images/LeftNav/company/co_mgmt_off.gif");
    image91on = newImage("../images/LeftNav/company/co_board_on.gif");
    image91off = newImage("../images/LeftNav/company/co_board_off.gif");
    image10on = newImage("../images/LeftNav/company/co_6sigma_on.gif");
    image10off = newImage("../images/LeftNav/company/co_6sigma_off.gif");
    image11on = newImage("../images/LeftNav/company/co_careers_on.gif");
    image11off = newImage("../images/LeftNav/company/co_careers_off.gif");
    image111on = newImage("../images/LeftNav/company/co_benefits_on.gif");
    image111off = newImage("../images/LeftNav/company/co_benefits_off.gif");
    image112on = newImage("../images/LeftNav/company/co_jobs_on.gif");
    image112off = newImage("../images/LeftNav/company/co_jobs_off.gif");
    image12on = newImage("../images/LeftNav/company/co_contact_on.gif");
    image12off = newImage("../images/LeftNav/company/co_contact_off.gif");
    image13on = newImage("../images/LeftNav/company/co_sitemap_on.gif");
    image13off = newImage("../images/LeftNav/company/co_sitemap_off.gif");
    
    
    preloadFlag = true;
    }
}