/**
 * ====================================================================
 * About
 * ====================================================================
 * Sarissa is an ECMAScript library acting as a cross-browser wrapper for native XML APIs.
 * The library supports Gecko based browsers like Mozilla and Firefox,
 * Internet Explorer (5.5+ with MSXML3.0+), Konqueror, Safari and a little of Opera
 * @version ${project.version}
 * @author: @author: Copyright 2004-2007 Emmanouil Batsis, mailto: mbatsis at users full stop sourceforge full stop net
 *
 * ====================================================================
 * Licence
 * ====================================================================
 * Sarissa is free software distributed under the GNU GPL version 2 (see <a href="gpl.txt">gpl.txt</a>) or higher, 
 * GNU LGPL version 2.1 (see <a href="lgpl.txt">lgpl.txt</a>) or higher and Apache Software License 2.0 or higher 
 * (see <a href="asl.txt">asl.txt</a>). This means you can choose one of the three and use that if you like. If 
 * you make modifications under the ASL, i would appreciate it if you submitted those.
 * In case your copy of Sarissa does not include the license texts, you may find
 * them online in various formats at <a href="http://www.gnu.org">http://www.gnu.org</a> and 
 * <a href="http://www.apache.org">http://www.apache.org</a>.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY 
 * KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE 
 * WARRANTIES OF MERCHANTABILITY,FITNESS FOR A PARTICULAR PURPOSE 
 * AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR 
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
/**
 * <p>Sarissa is a utility class. Provides "static" methods for DOMDocument, 
 * DOM Node serialization to XML strings and other utility goodies.</p>
 * @constructor
 */
function Sarissa(){};
Sarissa.VERSION = "${project.version}";
Sarissa.PARSED_OK = "Document contains no parsing errors";
Sarissa.PARSED_EMPTY = "Document is empty";
Sarissa.PARSED_UNKNOWN_ERROR = "Not well-formed or other error";
Sarissa.IS_ENABLED_TRANSFORM_NODE = false;
var _sarissa_iNsCounter = 0;
var _SARISSA_IEPREFIX4XSLPARAM = "";
var _SARISSA_HAS_DOM_IMPLEMENTATION = document.implementation && true;
var _SARISSA_HAS_DOM_CREATE_DOCUMENT = _SARISSA_HAS_DOM_IMPLEMENTATION && document.implementation.createDocument;
var _SARISSA_HAS_DOM_FEATURE = _SARISSA_HAS_DOM_IMPLEMENTATION && document.implementation.hasFeature;
var _SARISSA_IS_MOZ = _SARISSA_HAS_DOM_CREATE_DOCUMENT && _SARISSA_HAS_DOM_FEATURE;
var _SARISSA_IS_SAFARI = navigator.userAgent.toLowerCase().indexOf("safari") != -1 || navigator.userAgent.toLowerCase().indexOf("konqueror") != -1;
var _SARISSA_IS_SAFARI_OLD = _SARISSA_IS_SAFARI && parseInt((navigator.userAgent.match(/AppleWebKit\/(\d+)/)||{})[1]) < 420;
var _SARISSA_IS_IE = document.all && window.ActiveXObject && navigator.userAgent.toLowerCase().indexOf("msie") > -1  && navigator.userAgent.toLowerCase().indexOf("opera") == -1;
var _SARISSA_IS_OPERA = navigator.userAgent.toLowerCase().indexOf("opera") != -1;
if(!window.Node || !Node.ELEMENT_NODE){
    Node = {ELEMENT_NODE: 1, ATTRIBUTE_NODE: 2, TEXT_NODE: 3, CDATA_SECTION_NODE: 4, ENTITY_REFERENCE_NODE: 5,  ENTITY_NODE: 6, PROCESSING_INSTRUCTION_NODE: 7, COMMENT_NODE: 8, DOCUMENT_NODE: 9, DOCUMENT_TYPE_NODE: 10, DOCUMENT_FRAGMENT_NODE: 11, NOTATION_NODE: 12};
};

//This breaks for(x in o) loops in the old Safari
if(_SARISSA_IS_SAFARI_OLD){
    HTMLHtmlElement = document.createElement("html").constructor;
    Node = HTMLElement = {};
    HTMLElement.prototype = HTMLHtmlElement.__proto__.__proto__;
    HTMLDocument = Document = document.constructor;
    var x = new DOMParser();
    XMLDocument = x.constructor;
    Element = x.parseFromString("<Single />", "text/xml").documentElement.constructor;
    x = null;
}
if(typeof XMLDocument == "undefined" && typeof Document !="undefined"){ XMLDocument = Document; } 

// IE initialization
if(_SARISSA_IS_IE){
    // for XSLT parameter names, prefix needed by IE
    _SARISSA_IEPREFIX4XSLPARAM = "xsl:";
    // used to store the most recent ProgID available out of the above
    var _SARISSA_DOM_PROGID = "";
    var _SARISSA_XMLHTTP_PROGID = "";
    var _SARISSA_DOM_XMLWRITER = "";
    /**
     * Called when the Sarissa_xx.js file is parsed, to pick most recent
     * ProgIDs for IE, then gets destroyed.
     * @private
     * @param idList an array of MSXML PROGIDs from which the most recent will be picked for a given object
     * @param enabledList an array of arrays where each array has two items; the index of the PROGID for which a certain feature is enabled
     */
    Sarissa.pickRecentProgID = function (idList){
        // found progID flag
        var bFound = false, e;
        for(var i=0; i < idList.length && !bFound; i++){
            try{
                var oDoc = new ActiveXObject(idList[i]);
                var o2Store = idList[i];
                bFound = true;
            }catch (objException){
                // trap; try next progID
                e = objException;
            };
        };
        if (!bFound) {
            throw "Could not retrieve a valid progID of Class: " + idList[idList.length-1]+". (original exception: "+e+")";
        };
        idList = null;
        return o2Store;
    };
    // pick best available MSXML progIDs
    _SARISSA_DOM_PROGID = null;
    _SARISSA_THREADEDDOM_PROGID = null;
    _SARISSA_XSLTEMPLATE_PROGID = null;
    _SARISSA_XMLHTTP_PROGID = null;
    if(!window.XMLHttpRequest){
        /**
         * Emulate XMLHttpRequest
         * @constructor
         */
        XMLHttpRequest = function() {
            if(!_SARISSA_XMLHTTP_PROGID){
                _SARISSA_XMLHTTP_PROGID = Sarissa.pickRecentProgID(["Msxml2.XMLHTTP.6.0", "MSXML2.XMLHTTP.3.0", "MSXML2.XMLHTTP", "Microsoft.XMLHTTP"]);
            };
            return new ActiveXObject(_SARISSA_XMLHTTP_PROGID);
        };
    };
    
}