var GetNodeValue = function(obj)
    {
      var str = "";
      if(window.ActiveXObject)    //IE
      {
          str = obj.text;
      }
      else //Mozilla
      {
          try
      {
         str = obj.childNodes[0].nodeValue;
      }
      catch(ex)
      {
         str = "";
      }
      }
      return str;
    }


    var SetNodeValue = function(obj, str)
    {
      
      if(window.ActiveXObject)    //IE
      {
          obj.text = str;
      }
      else //Mozilla
      {
          try
      {
          if( obj.hasChildNodes()){
              obj.childNodes[0].nodeValue = str;
          }else{
              
             if( obj.getAttribute("dataType") == 'textField' || obj.getAttribute("dataType") == 'textArea'){

                  var x = document.createTextNode( str);
                  
                  obj.appendChild(x);
                  
                                    
             }
              
          }

      }
      catch(ex)
      {
          //alert('error');
      }
      }
     
    }

    var SetNodeValue2 = function(obj, str)
    {
      
      if(window.ActiveXObject)    //IE
      {
          obj.text = str;
      }
      else //Mozilla
      {
          try
      {
          
          obj.nodeValue = str;
      }
      catch(ex)
      {
          alert('error');
      }
      }
     
    }

    
    if(document.implementation && document.implementation.createDocument)
    {
        XMLDocument.prototype.loadXML = function(xmlString)
        {
            var childNodes = this.childNodes;
            for (var i = childNodes.length - 1; i >= 0; i--)
               this.removeChild(childNodes[i]);
            
            var dp = new DOMParser();
            var newDOM = dp.parseFromString(xmlString, "text/xml");
            var newElt = this.importNode(newDOM.documentElement, true);
            this.appendChild(newElt);
        };



        
    // check for XPath implementation
    if( document.implementation.hasFeature("XPath", "3.0") )
    {
        // prototying the XMLDocument
        XMLDocument.prototype.selectNodes = function(cXPathString, xNode)
        {
            if( !xNode ) { xNode = this; }
            var oNSResolver = this.createNSResolver(this.documentElement)
            var aItems = this.evaluate(cXPathString, xNode, oNSResolver,
                XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null)
            var aResult = [];
            for( var i = 0; i < aItems.snapshotLength; i++)
            {
            aResult[i] = aItems.snapshotItem(i);
            }
            return aResult;
            }
        
            // prototying the Element
            Element.prototype.selectNodes = function(cXPathString)
            {
            if(this.ownerDocument.selectNodes)
            {
            return this.ownerDocument.selectNodes(cXPathString, this);
            }
            else{throw "For XML Elements Only";}
        }
    }
    
    // check for XPath implementation
    if( document.implementation.hasFeature("XPath", "3.0") )
    {
        // prototying the XMLDocument
        XMLDocument.prototype.selectSingleNode = function(cXPathString, xNode)
        {
            if( !xNode ) { xNode = this; }
            var xItems = this.selectNodes(cXPathString, xNode);
            if( xItems.length > 0 )
            {
            return xItems[0];
            }
            else
            {
            return null;
            }
            }
           
            // prototying the Element
            Element.prototype.selectSingleNode = function(cXPathString)
            {   
            if(this.ownerDocument.selectSingleNode)
            {
            return this.ownerDocument.selectSingleNode(cXPathString, this);
            }
            else{throw "For XML Elements Only";}
        }
    }
}