// Copyright 2001 AppDepot Web Services Inc.  All Rights Reserved.  This is a licensed product
function adxXMLHTTP(sURL, sMethod)
{
    // request for the XMLHTTP object only
    if(sURL == null && sMethod == null)
    {
        var oHTTP;
        
        try
        {
            oHTTP = new ActiveXObject("Msxml2.XMLHTTP.4.0");
        }
        catch(e)
        {
        	e.description = "Failed to create new 'Msxml2.XMLHTTP.4.0' in xml.asp :" + e.description;
		    throw e;
		}
		
		return oHTTP;
    }
    
    var sResponse = "";
    var bDone = false;
    var i = 0;
    
    if(sMethod == null)
    {
        sMethod = "GET";
    }
    
    var oHTTP = new adxXMLHTTP();
	
    
    while(!bDone && i < 8)
    {
        try
        {
           oHTTP.Open(sMethod, sURL, false);
           oHTTP.Send();
           sResponse = oHTTP.responseText;
           bDone = true;
        }
        catch(e)
        {
            
        }
        i++
    }
    
    if(i == 8 && sResponse == "")
    {
        alert("There has been a problem retrieving data from the server.")
    }
    
    return sResponse;
}

function adxXMLDOM()
{
	try
	{
		var oXML = new ActiveXObject("Msxml2.FreeThreadedDOMDocument.4.0");
	}
	catch(e)
	{
		e.description = "Failed to create new 'Msxml2.FreeThreadedDOMDocument.4.0' in xml.asp :" + e.description;
		throw e;
	}		
	oXML.setProperty("SelectionNamespaces","xmlns:xsl='http://www.w3.org/1999/XSL/Transform'")
	return oXML
	
}


function adxXMLDocument(sXML)
{
    this.oXML = adxXMLDOM()
    this.oXML.loadXML(sXML);
}


// Start Stylesheet Object

function adxStylesheet(sPath, bFromString)
{
   // private properties
   this._oXSLT = null;
   this._oXSL = null;
   this._oXSLProc = null;
   this._bFromString = false;
   
   // public properties
   this.sPath = null;
   this.sError = null;
   
   // private methods
   this._init = new Function ("return _adxStylesheet_Init(this)");
   
   // public methods
   this.AddParameter = new Function ("sName", "sValue", "return _adxStylesheet_AddParameter(this, sName, sValue)");
   this.Transform = new Function ("oXML", "return _adxStylesheet_Transform(this, oXML)");
   
   // initialization
   this.sPath = sPath;   
   this._bFromString = bFromString;
	_adxStylesheet_Init (this);

}//end of adxStylesheet definition  

function _adxStylesheet_Init(oStylesheet)
{
    // generate the xsl stylesheet
	oStylesheet._oXSL = new adxXMLDOM();
	
    oStylesheet._oXSL.async = false;    
    if (oStylesheet._bFromString == true)
    {		
		oStylesheet._oXSL.loadXML(oStylesheet.sPath);
	}
	else
	{
		oStylesheet._oXSL.loadXML(adxXMLHTTP(oStylesheet.sPath));
	}

    //generate the xslt stylesheet
    try
    {
		oStylesheet._oXSLT = new ActiveXObject("Msxml2.XSLTemplate.4.0");
	}
	catch(e)
	{
		e.description = "Failed to create new 'Msxml2.XSLTemplate.4.0' in xml.asp :" + e.message;
		throw e;
	}		
	try
	{
        oStylesheet._oXSLT.stylesheet = oStylesheet._oXSL;
    }
    catch(e)
    {
        e.description = "Failed to create Msxml2.XSLTemplate.4.0 stylesheet from the file '" + 
		                 oStylesheet.sPath + "'\n" + e.message;		 
        throw e;
    }
    oStylesheet._oXSLProc = oStylesheet._oXSLT.createProcessor();       
}//end of adxStylesheet init

function _adxStylesheet_AddParameter (oStylesheet, sName, sValue)
{
    //add parameters    
    oStylesheet._oXSLProc.addParameter(sName, sValue);
}

function _adxStylesheet_Transform (oStylesheet, oXML)
{
    //return html
    
    oStylesheet._oXSLProc.input = oXML;
    
    oStylesheet._oXSLProc.transform();
    
    return (oStylesheet._oXSLProc.output);
} 

// End Stylesheet Object

function adxXML_SelectSingleNode (oXML, sPattern)
{
    return oXML.selectSingleNode (sPattern);
}

function adxXML_SelectNodes (oXML, sPattern)
{
    return oXML.selectNodes (sPattern);
}

function adxXML_SetAttribute(oXML, sName, sValue)
{
	if(sValue == null) 
	{
		sValue = '';
	}
	
    return oXML.setAttribute(sName, sValue)
}

function adxXML_GetAttribute (oXML, sPattern, sAttribute)
{
    
    var oElem = (oXML == null) ? (null) : (oXML.selectSingleNode (sPattern));
    if (oElem != null)
    {
        var sReturn = oElem.getAttribute (sAttribute);
        return (sReturn != null?sReturn:"");
    }
    else
    {
        return ("");
    }
}   

function adxXML_GetNodeDepth (oNode)
{
    var i = 0;

    var oDoc = oNode.ownerDocument;

    while (oNode != null && oNode != oDoc)
    {
        i++
        oNode = oNode.parentNode;
    }
    
    return (i);
}   


function adxXML_RemoveNodes (oXML, sPattern)
{
    var oNodeList = oXML.selectNodes(sPattern);
    var i;
    for (i=0; i<oNodeList.length; i++)
    {
        if (oNodeList[i].parentNode != null)
        {
            oNodeList[i].parentNode.removeChild(oNodeList[i]);
        }
    }
}

function adxXML_IsAncestor (oNode, oParentTestNode)
{
    // this function will return TRUE if the oParentTestNode is in the list of ancestors of oNode
    var bFound = false;
    while (oNode != null)
    {
        if (oNode == oParentTestNode)
        {
            // found it
            bFound = true;
            oNode = null;
        }
        else
        {
            oNode = oNode.parentNode;
        }
    }
    return bFound;
}

function adxGetGuid()
{
	var sGuid = adxXMLHTTP("/adx/admin/asp/getguid.asp")
	if(sGuid.length != 36)
	{
		alert("An error was encountered generating a GUID.  \n\nReason : \n" + sGuid);
		return null;
	}
	else
	{
		return sGuid;
	}
}