var homePageOldOnload = window.onload;

window.onload = function()
{
    if (typeof homePageOldOnload == 'function')
    {
         homePageOldOnload();
    }

    window.homePageInstance = new homePage();
    homePageInstance.init();
}

homePage = function ()
{
}


homePage.prototype.init = function()
{
    this.initHeaderBanner();
}

homePage.prototype.initHeaderBanner = function()
{
    var box = document.getElementById('headerBannerBox');
    if (!box)
    {
        return;
    }

    var closeBox = box.getElementsByTagName('span')[0];
    if ((!closeBox) || (closeBox.className != 'closeBox'))
    {
        return;
    }

    closeBox.onclick = function()
    {
        box.parentNode.removeChild( box );
    }

}