function addLoadEvent(func) {
    var oldonload = window.onload;
    if (typeof window.onload != 'function') {
        window.onload = func;
    } else {
        window.onload = function() {
            if (oldonload) {
                oldonload();
            }
            func();
        }
    }
}

function currentObjectWithInEvent(THIS) {
    if (!THIS.tagName) {
        return window.event.srcElement;
    } else {
        return THIS;
    }
}

function AddEventObject(Object, eventType, fn) {
    if (Object) {
        if (Object.addEventListener) {
            Object.addEventListener(eventType, fn, false);
        } else {
            Object.attachEvent('on' + eventType, fn);
        }    
    } 
}

function debug(text) {
    var debug = document.getElementById("DEBUG");
    if (debug) {
        debug.innerHTML = text + "<br />" + debug.innerHTML;
    } else {
        alert(text);
    }
}