$(document).ready(function() {
    var menu = new Array();
    menu[0] = "home";
    menu[1] = "companyinfo";
    menu[2] = "services";
    menu[3] = "products";
    menu[4] = "software";
    menu[5] = "clientportal";
    menu[6] = "contactus";
    menu[7] = "blog";
    for (z = 0; z < menu.length; z++) {
        $("#" + menu[z]).mouseover(function() {
            $(this).attr("src", "images/" + this.id + "_hover.jpg");
        });
        $("#" + menu[z]).mouseout(function() {
            if ($("#ctl00_selectedMenu").val() == this.id) 
                $(this).attr("src", "images/" + this.id + "_hover.jpg");
            else 
                $(this).attr("src", "images/" + this.id + ".jpg");
        });
    }

});

jQuery.preloadImages = function() {
    for (var i = 0; i < arguments.length; i++) {
        jQuery("<img>").attr("src", arguments[i]);

    }
}