/* http://simon.incutio.com/archive/2004/05/26/addLoadEvent */
function addLoadEvent(func) {
    var oldonload = window.onload;
    if (typeof window.onload != 'function') {
        window.onload = func;
    }
    else {
        window.onload = function () {
            if (oldonload) {
                oldonload();
            }
            func();
        }
    }
}

/* http://www.dustindiaz.com/getelementsbyclass/ */
function getElementsByClass(searchClass, node, tag) {
    var classElements = new Array();
    if (node == null)
        node = document;
    if (tag == null)
        tag = '*';
    var els = node.getElementsByTagName(tag);
    var elsLen = els.length;
    var pattern = new RegExp("(^|\\s)" + searchClass + "(\\s|$)");
    for (i = 0, j = 0; i < elsLen; i++) {
        if (pattern.test(els[i].className)) {
            classElements[j] = els[i];
            j++;
        }
    }
    return classElements;
}

/* by Jeremy Keith */
function insertAfter(newElement, targetElement) {
    var parent = targetElement.parentNode;
    if (parent.lastChild == targetElement) {
        parent.appendChild(newElement);
    }
    else {
        parent.insertBefore(newElement, targetElement.nextSibling);
    }
}

function Green() {
    if (!document.getElementsByTagName) {
        return false
    }

    var buttons = getElementsByClass("GreenLeft");
    /* loop through all buttons and attach a child div */
    for (i = 0; i < buttons.length; i++) {
        var div = document.createElement("div");
        div.className = "GreenEnd";
        insertAfter(div, buttons[i]);
    }
}

function Gray() {
    if (!document.getElementsByTagName) {
        return false
    }

    var buttons = getElementsByClass("GrayLeft");
    /* loop through all buttons and attach a child div */
    for (i = 0; i < buttons.length; i++) {
        var div = document.createElement("div");
        div.className = "GrayEnd";
        insertAfter(div, buttons[i]);
    }
}

addLoadEvent(Green);
addLoadEvent(Gray);