var t;
var len;
var len2;
var wildcard;
var lenSrch;
var lenSrch2;
var strSrch;
var strSrch2;
var strSearch;
var strSearch2;
var strSndSurname;
var lenCont0;
var lenCont1;
var strSearchCont0;
var strSearchCont1;
var xmlhttp=null;
var results=false;
function dtaLoad(){
  if(window.ActiveXObject){
    try{
      xmlhttp=new ActiveXObject('Msxml2.XMLHTTP');
    }
    catch(e){
      try{
        xmlhttp=new ActiveXObject('Microsoft.XMLHTTP');
      }
      catch(e){
        xmlhttp=false;
        alert('Your internet browser is unable to use this database. Suitable browsers include recent versions of Microsoft Internet Explorer, Mozilla Firefox  , Netscape and Safari. JavaScript must be enabled.');
        if(window.history.length)window.history.back();
        return;
      }
    }
  }
  else if(window.XMLHttpRequest){
    try{
      xmlhttp=new XMLHttpRequest();
      xmlhttp.overrideMimeType('text/xml');
    }
    catch(e){
      xmlhttp=false;
      alert('Your internet browser is unable to use this database. Suitable browsers include recent versions of Microsoft Internet Explorer, Mozilla Firefox  , Netscape and Safari. JavaScript must be enabled.');
      if(window.history.length)window.history.back();
      return;
    }
  }
  else{
    alert('Your internet browser is unable to use this database. Suitable browsers include recent versions of Microsoft Internet Explorer, Mozilla Firefox  , Netscape and Safari. JavaScript must be enabled.');
    if(window.history.length)window.history.back();
    return;
  }
  if(xmlhttp){
    xmlhttp.open('GET','tbln.xml',true);
    xmlhttp.send(null);
    document.getElementById('strQuery').value="";
    document.getElementById('strQuery2').value="";
    document.getElementById('btnGo').disabled=false;
    document.getElementById('strQuery').focus();
  }
  else{
    alert('Your internet browser is unable to use this database. Suitable browsers include recent versions of Microsoft Internet Explorer, Mozilla Firefox  , Netscape and Safari.');
    if(window.history.length)window.history.back();
    return;
  }
}
function findQuery(){
  document.getElementById('btnGo').disabled='disabled';
  lenSrch=document.getElementById('strQuery').value.length;
  if(lenSrch>24)lenSrch=24;
  lenSrch2=document.getElementById('strQuery2').value.length;
  if(lenSrch2>24)lenSrch2=24;
  strSrch=document.getElementById('strQuery').value.toUpperCase();
  strSrch2=document.getElementById('strQuery2').value.toLowerCase();
  len=0;
  lenCont0=0;
  lenCont1=0;
  len2=0;
  strSearch="";
  strSearchCont0="";
  strSearchCont1="";
  strSearch2="";
  wildcard=0;
  for(var i=0;i<lenSrch;i++){
    if((strSrch.charAt(i)>='A' && strSrch.charAt(i)<='Z') || strSrch.charAt(i)=="'" || strSrch.charAt(i)=="-" || strSrch.charAt(i)==" " || strSrch.charAt(i)=="*"){
      strSearch +=strSrch.charAt(i);
      len++;
    }
  }
  for(var i=0;i<len;i++){
    switch(wildcard){
      case 0:
        if(strSearch.charAt(i)=="*")break;
        strSearchCont0 +=strSearch.charAt(i);
        lenCont0++;
        break;
      case 1:
        if(strSearch.charAt(i)=="*")break;
        strSearchCont1 +=strSearch.charAt(i);
        lenCont1++;
        break;
      default:
        if(strSearch.charAt(i)=="*")break;
        strSearchCont1 +=strSearch.charAt(i);
        lenCont1++;
        break;
    }
    if(strSearch.charAt(i)=="*")wildcard++;
  }
  len=lenCont0+lenCont1;
  for(var i=0;i<lenSrch2;i++){
    if((strSrch2.charAt(i)>='a' && strSrch2.charAt(i)<='z')  || strSrch2.charAt(i)==" " || strSrch2.charAt(i)=="-" || strSrch2.charAt(i)=="'"){
      strSearch2 +=strSrch2.charAt(i);
      len2++;
    }
  }
  if(len<2){
    document.getElementById('strResult').innerHTML="<table border='0' cellspacing='0'><tr><th class='error'>Data Entry Error</th></tr><tr><td class='error'>Fill in the <b>surname</b> box with at least 2 characters of the name to be found. A given name is optional. If only initials are known, enter the 1st initial only.<br />";
    document.getElementById('btnGo').disabled=false;
    document.getElementById('strQuery').focus();
    return;
  }
  else{
    document.getElementById('htmlProgress').innerHTML='Downloading the index ...';
    if(document.getElementById('blnSound').checked) strSearch=calculateSound(strSearch);
    xmlhttp.onreadystatechange=checkReadyState;
    if(xmlhttp.readyState==4 && xmlhttp.status=='200'){
      document.getElementById('htmlProgress').innerHTML='Searching ...';
      if(t)window.clearTimeout(t);
      t=window.setTimeout('runSearch()',200);
    }
  }
}
function checkReadyState(){
  if(xmlhttp.readyState==4 && xmlhttp.status=='200'){
    document.getElementById('htmlProgress').innerHTML='Searching ...';
    if(t)window.clearTimeout(t);
    t=window.setTimeout('runSearch()',200);
  }
  else if(xmlhttp.readyState==4 && xmlhttp.status !='200'){
    alert('An error occurred while loading the index');
    if(window.history.length)window.history.back();
    return;
  }
}
function runSearch(){
var limit=100;
var count=0;
var toDisplay;
var strName="";
var strName2="";
var strArray=new Array();
var strPrint="";
var nDoc=xmlhttp.responseXML;
var sList=nDoc.getElementsByTagName('s');
var gList=nDoc.getElementsByTagName('g');
var pList=nDoc.getElementsByTagName('p');
var oList=nDoc.getElementsByTagName('o');
var cList=nDoc.getElementsByTagName('c');
var aList=nDoc.getElementsByTagName('a');
var tList=nDoc.getElementsByTagName('t');
var mList=nDoc.getElementsByTagName('m');
var hList=nDoc.getElementsByTagName('h');
var dList=nDoc.getElementsByTagName('d');
var xList=nDoc.getElementsByTagName('x');
var yList=nDoc.getElementsByTagName('y');
var qList=nDoc.getElementsByTagName('q');
var zList=nDoc.getElementsByTagName('z');
var listLen=sList.length;
var i=0;
  while(i<listLen){
    strName=sList[i].firstChild.nodeValue.toUpperCase();
    strName2=gList[i].firstChild.nodeValue.toLowerCase();
    var j=0;
    while(strName.charAt(j) !=' ' && strName.charAt(j) !='/' && strName.charAt(j))j++;
    if(document.getElementById('blnSound').checked)strName=calculateSound(strName.substr(0,j));
    else if(document.getElementById('blnExact').checked)strName=strName.substr(0,j);
    if(!wildcard)lenCont0=j;
    var m=strName.indexOf(strSearchCont0);
    if((((document.getElementById('blnWildcards').checked && m>=0 && strName.indexOf(strSearchCont1, m+lenCont0-1)>=0) || (document.getElementById('blnExact').checked && strName.substr(0,lenCont0)==strSearchCont0 && strName.substr(j-lenCont1, lenCont1)==strSearchCont1) || (document.getElementById('blnSound').checked && strName==strSearch)) && (len2==0 || (len2>1 && strName2.indexOf(strSearch2)>=0) || (len2==1 && strName2.charAt(0)==strSearch2.charAt(0))))){
      strArray[count]=sList[i].firstChild.nodeValue+" "+gList[i].firstChild.nodeValue;
      if(oList[i].firstChild.nodeValue !='-')strArray[count]+="; "+oList[i].firstChild.nodeValue;
      if(pList[i].firstChild.nodeValue !='-')strArray[count]+=" of "+pList[i].firstChild.nodeValue;
      if(cList[i].firstChild.nodeValue !='-'){
        if(cList[i].firstChild.nodeValue.substr(0,5)=='born ')strArray[count]+="; "+cList[i].firstChild.nodeValue;
        else strArray[count]+="; native of "+cList[i].firstChild.nodeValue;
      }
      if(aList[i].firstChild.nodeValue !='-')strArray[count]+="; age "+aList[i].firstChild.nodeValue;
      if(tList[i].firstChild.nodeValue !='-')strArray[count]+="; in SA "+tList[i].firstChild.nodeValue;
      if(mList[i].firstChild.nodeValue !='-')strArray[count]+="; Memorial "+mList[i].firstChild.nodeValue;
      if(hList[i].firstChild.nodeValue !='-')strArray[count]+="; Oath "+hList[i].firstChild.nodeValue;
      if(dList[i].firstChild.nodeValue !='-')strArray[count]+="; Certificate "+dList[i].firstChild.nodeValue;
      if(xList[i].firstChild.nodeValue !='-')strArray[count]+="; "+xList[i].firstChild.nodeValue;
      if(yList[i].firstChild.nodeValue !='-')strArray[count]+="; "+yList[i].firstChild.nodeValue;
      if(qList[i].firstChild.nodeValue !='-')strArray[count]+="; Note(s) "+qList[i].firstChild.nodeValue;
      if(zList[i].firstChild.nodeValue !='-')strArray[count]+="; Source(s) "+zList[i].firstChild.nodeValue;
      strArray[count] +=".<br />";
      count++;
    }
    i++;
  }
  if(count){
    if(count>limit){
      toDisplay=limit;
    }
    else toDisplay=count;
    strArray.sort();
    strPrint='<h3 class="results">Search results <span style="font-size:13px; font-weight:normal;">(total of ' + toDisplay + ')</span></h3><p>';
    for(var i=0;i<toDisplay;i++)strPrint +=strArray[i];
    document.getElementById('strResult').innerHTML=strPrint+'</p>';
    document.getElementById('htmlProgress').innerHTML='View the results below...';
    results=true;
  }
  else{
    document.getElementById('strResult').innerHTML="<h3 class='results'>Search results <span style='font-size:13px; font-weight:normal;'>(total of 0)</span></h3>The data you entered, <b><i>"+document.getElementById('strQuery').value+" "+document.getElementById('strQuery2').value+"</i></b>, is not in this database.";
    document.getElementById('htmlProgress').innerHTML='There are no results to view.';
  }
  if(!document.getElementById('strQuery').disabled)document.getElementById('strQuery').focus();
  document.getElementById('btnGo').disabled=false;
}

function calculateSound(strString){
  var strModSound="";
  var strSound="";
  var intStrLen=strString.length;
  for(var i=0; i<intStrLen; i++){
    var strChar=strString.charAt(i);
    if(strChar=='P' || strChar=='F' || strChar=='V') strSound +='1';
    else if(strChar=='B'){
      if(strString.substr(intStrLen-2,2)!='MB' && strString.substr(intStrLen-3,3)!='MBE' && strString.substr(intStrLen-4,4)!='MBES' && strString.substr(intStrLen-3,3)!='MBS')strSound +='1';
    }
    else if(strChar=='C' || strChar=='S' || strChar=='K' || (strChar=='G' && i != intStrLen-1 && (!(i == intStrLen-2 && strString.charAt(intStrLen-1)=='N'))) || strChar=='J' || strChar=='Q' || strChar=='X' || strChar=='Z')strSound +='2';
    else if(strChar=='D' || strChar=='T')strSound +='3';
    else if(strChar=='L') strSound +='4';
    else if(strChar=='M' || strChar=='N'){
      if(i==1 && strChar=='N' && (strString.charAt(0)=='G' || strString.charAt(0)=='K' || strString.charAt(0)=='P'))strSound='5';
      else strSound +='5';
      if(i==0 && strString.charAt(1)=='C' && strChar=='M')strSound +='0';
    }
    else if(strChar=='R')strSound +='6';
    else if(strChar=='H'){
      if(i>1 && strString.charAt(i-1)=='G' && (strString.charAt(i-2)=='A' || strString.charAt(i-2)=='I' || strString.charAt(i-2)=='O' || strString.charAt(i-2)=='U')){
        strSound=strSound.substring(0,strSound.length-1);
      }
    }
    else if(strChar=='W' || strChar=='Y'){
      if(i==0 && ((strChar=='W' && strString.charAt(1)!='R') || strChar=='Y')) strSound +='9';
      else if(strChar=='Y')strSound +='0';
    }
    else if(((strChar=='A' || strChar=='I' || strChar=='O') && (i>0 || (i==0 && strString.charAt(1)!="'"))) || (i != intStrLen-1 && strChar=='E') || strChar=='I' || strChar=='U')strSound +='0';
  }
  strModSound=strSound.charAt(0);
  strSoundLen=strSound.length;
  for(i=1; i<strSoundLen; i++){
    if(strSound.charAt(i)!=strSound.charAt(i-1)) strModSound += strSound.charAt(i);
  }
  return strModSound;
}
function clearForm(){
  document.getElementById('htmlProgress').innerHTML="";
  document.getElementById('strResult').innerHTML="";
}//Copyright(c)2003-2011 B Leadbeater, Australia
