Help - Kind of got it all working ...but kind of not :)

UnitdataXML = new XML();
UnitdataXML.ignoreWhite = true;

UnitdataXML.onLoad = myLoad;
UnitdataXML.load("Moodle.xml");

function myLoad(ok) {
    if (ok == true) {
        Publish(this.firstChild);
    }
}

function Publish(UnitdataXMLNode) {
    if (UnitdataXMLNode.nodeName.toUpperCase() == "UNIT") {
        content = "";

        unit_info = UnitdataXMLNode.firstChild;


        while (unit_info != null) {
            if (unit_info.nodeName.toUpperCase() == "UNIT_INFO") {
                uno = "";
                uname = "";
                loutcomes = "";
                pass = "";
                merit = "";
                distinction = "";
            }
            element = unit_info.firstChild;
            //////////////////////////////////////////////////////////////////////////


            while (element != null) {
                if (element.nodeName.toUpperCase() == "UNO") {
                    uno = element.firstChild.nodeValue;
                }
                if (element.nodeName.toUpperCase() == "UNAME") {
                    uname = element.firstChild.nodeValue;
                }
                if (element.nodeName.toUpperCase() == "LOUTCOMES") {
                    loutcomes = element.firstChild.nodeValue;
                }
                if (element.nodeName.toUpperCase() == "PASS") {
                    pass = element.firstChild.nodeValue;
                }
                if (element.nodeName.toUpperCase() == "MERIT") {
                    merit = element.firstChild.nodeValue;
                }
                if (element.nodeName.toUpperCase() == "DISTINCTION") {
                    distinction = element.firstChild.nodeValue;
                }
                element = element.nextSibling;
            }
            unit_info = unit_info.nextSibling;
            //////////////////////////////////////////////////////////////////////
        }
        unitH_txt.htmlText = "<font size='18' color='#00CC00'>"+uno+"</font>";
        unitT_txt.htmlText = "<font size='16'>"+uname+"</font>";


        loutcomes = UnitdataXMLNode.firstChild.childNodes[2].childNodes;
        //trace(loutcomes.length)
        for (i=0; i<loutcomes.length; i++) {
            var num = i+1;
            var info = UnitdataXMLNode.firstChild.childNodes[2].childNodes[i].firstChild.nodeValue;
            Mix += "<LI>"+info+"</LI>";
            //trace("LO"+num+" = "+info+".");
        }
        pass = UnitdataXMLNode.firstChild.childNodes[3].childNodes;
        //trace (pass.length);
        for (j=0; j<pass.length; j++) {
            var num = j+1;
            var info2 = UnitdataXMLNode.firstChild.childNodes[3].childNodes[j].firstChild.nodeValue;
            passInfo += "<LI>"+info2+"</LI>";
            //trace ("P"+num+" = "+info2+".")
        }
        merit = UnitdataXMLNode.firstChild.childNodes[4].childNodes;
        for (k=0; k<merit.length; k++) {
            var num = k+1;
            var info3 = UnitdataXMLNode.firstChild.childNodes[4].childNodes[k].firstChild.nodeValue;
            meritInfo += "<LI>"+info3+"</LI>";
        }
        dist = UnitdataXMLNode.firstChild.childNodes[5].childNodes;
        for (l=0; l<dist.length; l++) {
            var num = l+1;
            var info4 = UnitdataXMLNode.firstChild.childNodes[5].childNodes[l].firstChild.nodeValue;
            distInfo += "<LI>"+info4+"</LI>";
        }
        LO = "<font size='12'><UL>"+Mix+"</UL></font>";
        l1_txt.htmlText = LO;

    }
}

<UNIT>
 <UNIT__INFO>
  <UNO>Unit 8:</UNO>
  <UNAME>Design and Principles in Art and Design</UNAME>
  <LOUTCOMES>
   <LO1>Understand how form relates to function in their own work</LO1>
   <LO2>Be able to use appropriate materials in own work</LO2>
   <LO3>Know how cultural associations affect their own work</LO3>
   <LO4>Understand design for need and the repsonsibilities of designners</LO4>
  </LOUTCOMES>
  <PASS>
   <P1>Explain how form relates to function in their own work</P1>
   <P2>Use appropriate materials in their own design work</P2>
   <P3>Explain how cultural associations affect their own work</P3>
   <P4>Explain design for need and the responsibilities of the designer</P4>
  </PASS>
  <MERIT>
   <M1>Demonstrate skills and understanding in applying aesthetic considerations to functional requirements in their finished design work</M1>
   <M2>Show an effective and considered understanding of applying design principles when producing their own work</M2>
  </MERIT>
  <DISTINCTION>
   <D1>Show an independent approach to research and the application of innovative design ideas.</D1>
   <D2>Show how the evaluation undertaken in the designs stages has been applied to the development and production of exciting, coherent and individual design work.</D2>
  </DISTINCTION>
 </UNIT_INFO>
</UNIT>