/*
Prefix-correcting evaluate statement from http://www.faqts.com/knowledge_base/view.phtml/aid/34022/fid/119
*/

 function GetKeyCode(e)
    {  
        var key      
        
        if(window.event)
        {
            key = e.keyCode            
        }
        else
        {
            if(e.which)
                key = e.which        
        }
        
        return(key);
        
    }


if( document.implementation.hasFeature("XPath", "3.0") ){
 XMLDocument.prototype.selectNodes = function(cXPathString, xNode){
 
  if( !xNode ) {
   xNode = this;
  }
 
  var defaultNS = this.defaultNS;

  var aItems = this.evaluate(cXPathString, xNode,{
   normalResolver:
    this.createNSResolver(this.documentElement),
        lookupNamespaceURI : function (prefix) {
           switch (prefix) {
             case "dflt":
                return defaultNS;
             default:
                return this.normalResolver.lookupNamespaceURI(prefix);
           }
        }
      },XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,null);

  var aResult = [];
  for( var i = 0; i < aItems.snapshotLength; i++){
           aResult[i] =  aItems.snapshotItem(i);
  }
  return aResult;
 }

 Element.prototype.selectNodes = function(cXPathString){
  if(this.ownerDocument.selectNodes){
   return this.ownerDocument.selectNodes(cXPathString, this);
  }else{
   throw "For XML Elements Only";
  }
 }

 /* set the SelectionNamespaces property the same for NN or IE: */
 XMLDocument.prototype.setProperty = function(p,v){
  if(p=="SelectionNamespaces" && v.indexOf("xmlns:dflt")==0){
   this.defaultNS = v.replace(/^.*=\'(.+)\'/,"$1");
  }
 }

 XMLDocument.prototype.defaultNS;

}



 // 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";
        } 
   } 
 }