/// JZ
Sys.UI.DomElement.selectAllElements = function Sys$UI$DomElement$selectAllElements(selector, element) {
    /// <param name="selector" type="String"></param>
    /// <param name="element" domElement="true" optional="true" mayBeNull="true"></param>
    /// <returns type="Array" elementDomElement="true"></returns>
    var e = Function._validateParams(arguments, [
        {name: "selector", type: String},
        {name: "element", mayBeNull: true, domElement: true, optional: true}
    ]);
    if (e) throw e;


    var cssSelectorExpression = /([^\.#]*)\.?([^#]*)#?(.*)/,
        terms = selector.trim().split(/\s+/),
        root = element || document,
        d = root.body ? root : root.documentElement;
    var l = terms.length;
    if (l === 0) return [];

        for (var i = 0; i < l; i++) {
        terms[i].search(cssSelectorExpression);
        terms[i] = {
            tagName: RegExp.$1.toLowerCase(),
            className: RegExp.$2.toLowerCase(),
            id: RegExp.$3
        };
    }
        var term = terms[0],
        potentials = [],
        nextPotentials = [];
    if (term.id) {
        var elt = d.getElementById(term.id);
        if (elt && 
            ( (root === d) || 
              (root.contains && root.contains(elt)) || 
              this._contains(root, elt) ) ) {
            potentials = [elt];
        }
    }
    else if (term.tagName) {
        potentials = root.getElementsByTagName(term.tagName);
    }
    else if (term.className) {
        potentials = this.getElementsByClassName(term.className, root);
    }
    term.className = ' ' + term.className + ' ';
        for (i = 1; i < l; i++) {
        var m = potentials.length;
        if (m === 0) return [];
        var previousTerm = term;
        term = terms[i];
        term.className = ' ' + term.className + ' ';
        for (var j = 0; j < m; j++) {
            var potential = potentials[j];
            if (!this._testTerm(previousTerm, potential)) continue;
                        if (term.id) {
                elt = d.getElementById(term.id);
                if (elt && 
                    ( (potential === d) ||
                      (potential.contains && potential.contains(elt)) ||
                      this._contains(potential, elt) ) ) {
                    nextPotentials[nextPotentials.length] = elt;
                }
            }
            else if (term.tagName) {
                var elts = potential.getElementsByTagName(term.tagName);
                for (var k = 0, n = elts.length; k < n; k++) {
                    nextPotentials[nextPotentials.length] = elts[k];
                }
            }
            else {
                elts = potential.getElementsByTagName('*');
                n = elts.length;
                for (k = 0; k < n; k++) {
                    elt = elts[k];
                    if ((' ' + elt.className + ' ').indexOf(term.className) !== -1) {
                        nextPotentials[nextPotentials.length] = elt;
                    }
                }
            }
        }
        potentials = nextPotentials;
        nextPotentials = [];
    }
        m = potentials.length;
    for (j = 0; j < m; j++) {
        potential = potentials[j];
        if (this._testTerm(term, potential) && !Array.contains(nextPotentials, potential)) {
            nextPotentials[nextPotentials.length] = potential;
        }
    }
    return nextPotentials;
}

Sys.UI.DomElement.selectElement = function Sys$UI$DomElement$selectElement(selector, element) {
    /// <param name="selector" type="String"></param>
    /// <param name="element" domElement="true" optional="true" mayBeNull="true"></param>
    /// <returns domElement="true" mayBeNull="true"></returns>
    var e = Function._validateParams(arguments, [
        {name: "selector", type: String},
        {name: "element", mayBeNull: true, domElement: true, optional: true}
    ]);
    if (e) throw e;

    var potentials = Sys.UI.DomElement.selectAllElements(selector, element);
    return (potentials.length > 0) ? potentials[0] : null;
}


Sys.UI.DomElement.getElementsByClassName = function Sys$UI$DomElement$getElementsByClassName(className, element) {
    /// <param name="className" type="String"></param>
    /// <param name="element" domElement="true" optional="true"></param>
    /// <returns type="Array" elementDomElement="true"></returns>
    var e = Function._validateParams(arguments, [
        {name: "className", type: String},
        {name: "element", domElement: true, optional: true}
    ]);
    if (e) throw e;

    element = element || document;
    className = ' ' + className + ' ';
    var potentials = element.all || element.getElementsByTagName("*");
    var l = potentials.length, results = [], i;
    for (i = 0; i < l; i++) {
        if ((' ' + potentials[i].className + ' ').indexOf(className) !== -1) {
            results[results.length] = potentials[i];
        }
    }
    return results;
}

// end JZ