function loadXML()
{
    var xmlDoc = new ActiveXObject("MSXML2.DOMDocument.3.0");
    xmlDoc.async="false";

    // If the XML document has been completely loaded then proceed 
    if (xmlDoc.readyState==4)
    {
        xmlDoc.loadXML(document.form_dummy.optionXML.value);
        document.form_dummy.optionXML.disabled=true;
        var optNo = parseInt(document.form.optionNumber.value); 
        var iNoOfOpts = parseInt(document.form.iNoOfOpt.value);

        // If the XML document has got options
        if (xmlDoc.documentElement.hasChildNodes)
        {
            var oNode = xmlDoc.documentElement.selectNodes("PiccoOption");

            // Loop through all the options that have been returned from the database
            for(var i=0; i<iNoOfOpts; i++)
            {
                // if the current option is not the option that was selected
                // then go ahead and delete it from the document
                if (i!=optNo)
                {
                    xmlDoc.firstChild.removeChild(oNode.item(i));
                }
            }
        }
        document.form.optionXML_rev.value=(xmlDoc.xml); // Write the XML to the form field text box to be submitted through to NF2
    }
}

/*
FUNCTION NAME: loadXML
Load the XML from the form field and strip out all the unnecessary nodes
-- to prevent browser cache from being reached --
*/
function loadXML()
{
    var bOneway = document.form.oneWay.value;
    var bReturn = document.forms["form"].elements["return"].value;
    var bOpenjaw = document.form.openJaw.value;

    var xmlDoc = new ActiveXObject("MSXML2.DOMDocument.3.0");
    xmlDoc.async="false";

    var optNo = parseInt(document.form.optionNumber.value); // The Selected option number from the list
    var iNoOfOpts = parseInt(document.form.iNoOfOpt.value); // The total number of options returned from the database
    document.form_dummy.optionXML.disabled=true;

    if ((bReturn=="True")||(bOneway=="True")) // For Return and Oneway journeys
    {
        // If the XML document has been completely loaded then proceed 
        if (xmlDoc.readyState==4)
        {
            xmlDoc.loadXML(document.form_dummy.optionXML.value); // LOAD THE XML FROM THE FORM FIELD TO THE SCRIPT

            // If the XML document has got options
            if (xmlDoc.documentElement.hasChildNodes)
            {
                var oNode = xmlDoc.documentElement.selectNodes("PiccoOption");

                // Loop through all the options that have been returned from the database
                for(var i=0; i<iNoOfOpts; i++)
                {
                    // if the current option is not the option that was selected
                    // then go ahead and delete it from the document
                    if (i!=optNo)
                    {
                        xmlDoc.firstChild.removeChild(oNode.item(i)); // DELETE THE NODE
                    }
                }
            }
            document.form.optionXML_rev.value=(xmlDoc.xml); // Write the XML to the form field text box to be submitted through to NF2
        }
    }
    else if(bOpenjaw=="True") // For Openjaw journeys
    {
        // If the XML document has been completely loaded then proceed 
        if (xmlDoc.readyState==4)
        {
            xmlDoc.loadXML(document.form_dummy.optionXML.value); // LOAD THE XML FROM THE FORM FIELD TO THE SCRIPT
            var optNo_OJ = parseInt(document.form.optionNumber_OJ.value); // The Selected option number from the list (for inward openjaw)

            // If the XML document has got options            
            if (xmlDoc.documentElement.hasChildNodes)
            {                
                var oNode_D = xmlDoc.documentElement.selectNodes("Departing").item(0).selectNodes("PiccoOption");
                var oNode_R = xmlDoc.documentElement.selectNodes("Returning").item(0).selectNodes("PiccoOption");                

                var iNoOfDep = parseInt(xmlDoc.documentElement.selectNodes("Departing").item(0).selectNodes("PiccoOption").length);
                var iNoOfRet = parseInt(xmlDoc.documentElement.selectNodes("Returning").item(0).selectNodes("PiccoOption").length);

                // Loop through all the options that have been returned from the database
                for(var i=0; i<iNoOfDep; i++)
                {
                    // if the current option is not the option that was selected
                    // then go ahead and delete it from the document
                    if (i!=optNo)
                    {
                        xmlDoc.firstChild.firstChild.removeChild(oNode_D.item(i)); // DELETE THE NODE
                    }
                }

                // Loop through all the options that have been returned from the database                
                for(var i=0; i<iNoOfRet; i++)
                {
                    // if the current option is not the option that was selected
                    // then go ahead and delete it from the document
                    if (i!=optNo_OJ)
                    {
                        xmlDoc.documentElement.childNodes(1).removeChild(oNode_R.item(i)); // DELETE THE NODE
                    }
                }

            }
            document.form.optionXML_rev.value=(xmlDoc.xml); // Write the XML to the form field text box to be submitted through to NF2
        }        
    }
}