// JavaScript Documen
addOnload(initRol);

function addOnload(newFunction){
    var oldOnload = window.onload;
    
    if (typeof oldOnload == "function"){
        window.onload = function() {
            if (oldOnload){
                oldOnload();
            }
            newFunction();
        }
    } else {
        window.onload = newFunction;
    }
}


function initRol() {
                topmenu = document.getElementById('top_menu');
                topimgs = topmenu.getElementsByTagName('img');
                for (var roli=0; roli<topimgs.length; roli++) {
                    rollov(topimgs[roli]);
                }
                img1 = new Image();
                img1.src = "http://www.dms.gov.mv/img/top_menu/home_o.jpg";
                img2 = new Image();
                img2.src = "http://www.dms.gov.mv/img/top_menu/sections_o.jpg";
                img3 = new Image();
                img3.src = "http://www.dms.gov.mv/img/top_menu/faq_o.jpg";
                img4 = new Image();
                img4.src = "http://www.dms.gov.mv/img/top_menu/contacts_o.jpg";
                img5 = new Image();
                img5.src = "http://www.dms.gov.mv/img/top_menu/aboutus_o.jpg";
                img6 = new Image();
                img6.src = "http://www.dms.gov.mv/img/top_menu/settings_o.jpg";
                img7 = new Image();
                img7.src = "http://www.dms.gov.mv/img/top_menu/logoff_o.jpg";
                img8 = new Image();
                img8.src = "http://www.dms.gov.mv/img/top_menu/staff_home_o.jpg";
                img9 = new Image();
                img9.src = "http://www.dms.gov.mv/img/top_menu/reports_o.jpg";
}
function rollov(roloverImage){
    
                var outImage = new Image();
                outImage.src = roloverImage.src;
                roloverImage.onmouseover = function(){
                                roloverImage.src = "http://www.dms.gov.mv/img/top_menu/" + roloverImage.alt +"_o.jpg";
                    if (document.getElementById('subMenu')) {
                        subMenu = document.getElementById('subMenu');
                        subMenu.style.visibility = "hidden";
                    }
                }
                roloverImage.onmouseout = function(){
                roloverImage.src = outImage.src;
                }
}