function setupDes() {
    var textarea = document.getElementsByTagName("textarea");
    for (i = 0; i < textarea.length; i++) {
        if (textarea[i].className.search("nodes") < 0) {
            if (textarea[i].value == textarea[i].defaultValue) {textarea[i].className += " ondes"; }
                textarea[i].onfocus = function() {offDes(this); }
                textarea[i].onblur = function() {onDes(this); }
            }
        }
        var input = document.getElementsByTagName("input");
        for (i = 0; i < input.length; i++) {
            if ((input[i].className.search("nodes") < 0) && ((input[i].getAttribute("type") == "text")||(input[i].getAttribute("type") == null))) {
                if (input[i].value == input[i].defaultValue) {input[i].className += " ondes"; }
                input[i].onfocus = function() {offDes(this); }
                input[i].onblur = function() {onDes(this); }
            }
        }
        return;
}

function offDes(from) {
    if (from.className.search("ondes") < 0) {return 0;}
    from.className = from.className.replace(/ondes/, "");
    from.value = "";
    return 1;
}

function onDes(from) {
    if (from.value != "") {return 0;}
    from.className += " ondes";
    from.value = from.defaultValue;
    return 1;
}