/* Simplifies onload, you will no longer have to add an onload event call just call addLoadEvent */
function addLoadEvent(func, arg) {
    if (!arg) {
        var oldonload = window.onload;
        if (typeof window.onload != 'function') {
            window.onload = func;
        } else {
            window.onload = function() {
                oldonload();
                func();
            }
        }
    }
    else {/*if the onload event has an argument/parameter cater for that*/
        if (arg) {
            oldonload = window.onload;
            if (typeof window.onload != 'function') {
                window.onload = func(arg);
            }
            window.onload = function() {
                oldonload();
                func(arg);
            }
        }
    }
}