if (typeof Object.create !== "function") {
    Object.create = function (o) {
        var F = function () { };
        F.prototype = o;
        return new F();
    }
};

function getPageName() { 
    var pn = "";
    if ($("input[name=currentpagename]").length > 0) {
        pn = $("input[name=currentpagename]").val();
    }
    return pn;
}

function SubmitEnter(myfield, e) {
    var keycode;
    if (window.event) keycode = window.event.keyCode;
    else if (e) keycode = e.which;
    else return true;

    if (keycode == 13) {
        document.forms["searchform"].submit();
        return false;
    }
    else
        return true;
}