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;
var w=window;
var h=history;
var d=document;
function dtaLoad(){
  if(w.ActiveXObject){
    try {
      xmlhttp=new ActiveXObject('Msxml2.XMLHTTP');
    }
    catch(e){
      try {
        xmlhttp=new ActiveXObject('Microsoft.XMLHTTP');
      }
      catch(e){
        xmlhttp=false;
        alert('Your internet browser is unsuitable for using this database. Suitable browsers include recent versions of Microsoft Internet Explorer, Mozilla Firefox , Netscape and Safari. JavaScript must be enabled.');
        if(w.h.length) w.h.back();
        return;
      }
    }
  }
  else if(w.XMLHttpRequest){
    try {
      xmlhttp=new XMLHttpRequest();
      xmlhttp.overrideMimeType('text/xml');
    }
    catch(e){
      xmlhttp=false;
      alert('Your internet browser is unsuitable for using this database. Suitable browsers include recent versions of Microsoft Internet Explorer, Mozilla Firefox , Netscape and Safari. JavaScript must be enabled.');
      if(w.h.length) w.h.back();
      return;
    }
  }
  else {
    alert('Your internet browser is unsuitable for using this database. Suitable browsers include recent versions of Microsoft Internet Explorer, Mozilla Firefox , Netscape and Safari. JavaScript must be enabled.');
    if(w.h.length) w.h.back();
    return;
  }
  if(xmlhttp){
    xmlhttp.open('GET', 'police.xml', true);
    xmlhttp.send(null);
    d.getElementById('strQuery').value="";
    d.getElementById('strQuery2').value="";
    d.getElementById('btnGo').disabled=false;
    d.getElementById('strQuery').focus();
  }
  else {
    alert('Your internet browser is unsuitable for using this database. Suitable browsers include recent versions of Microsoft Internet Explorer, Mozilla Firefox , Netscape and Safari.');
    if(w.h.length) w.h.back();
    return;
  }
}
function findQuery(){
  d.getElementById('btnGo').disabled='disabled';
  lenSrch=d.getElementById('strQuery').value.length;
  if(lenSrch>24)lenSrch=24;
  lenSrch2=d.getElementById('strQuery2').value.length;
  if(lenSrch2>24)lenSrch2=24;
  strSrch=d.getElementById('strQuery').value.toUpperCase();
  strSrch2=d.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){
    d.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 />";
    d.getElementById('btnGo').disabled=false;
    d.getElementById('strQuery').focus();
    return;
  }
  else {
    d.getElementById('htmlProgress').innerHTML='Downloading the index ...';
    if(d.getElementById('blnSound').checked) strSearch=calculateSound(strSearch);
    xmlhttp.onreadystatechange=checkReadyState;
    if(xmlhttp.readyState == 4 && xmlhttp.status == '200'){
      d.getElementById('htmlProgress').innerHTML='Searching ...';
      if(t)w.clearTimeout(t);
      t=w.setTimeout('runSearch()',200);
    }
  }
}
function checkReadyState(){
  if(xmlhttp.readyState == 4 && xmlhttp.status == '200'){
    d.getElementById('htmlProgress').innerHTML='Searching ...';
    if(t)w.clearTimeout(t);
    t=w.setTimeout('runSearch()',200);
  }
  else if(xmlhttp.readyState == 4 && xmlhttp.status != '200'){
    alert('An error occurred while loading the index');
    if(w.h.length) w.h.back();
    return;
  }
}
function runSearch(){
  var count=0;
  var strName="";
  var strName2="";
  var strArray=new Array();
  var strPrint="";
  var polDoc=xmlhttp.responseXML;
  var sList=polDoc.getElementsByTagName('s');
  var gList=polDoc.getElementsByTagName('g');
  var bList=polDoc.getElementsByTagName('b');
  var oList=polDoc.getElementsByTagName('o');
  var jList=polDoc.getElementsByTagName('j');
  var aList=polDoc.getElementsByTagName('a');
  var mList=polDoc.getElementsByTagName('m');
  var nList=polDoc.getElementsByTagName('n');
  var xList=polDoc.getElementsByTagName('x');
  var listLen=sList.length;
  var intSrchType;
  if(d.getElementById('blnWildcards').checked)intSrchType=0;
  else if(d.getElementById('blnExact').checked)intSrchType=1;
  else if(d.getElementById('blnSound').checked)intSrchType=2;
  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(intSrchType==2)strName=calculateSound(strName.substr(0,j));
    else if(intSrchType==1)strName=strName.substr(0,j);
    if(!wildcard)lenCont0=j;
    var m=strName.indexOf(strSearchCont0);
    if((((!intSrchType && m >= 0 && strName.indexOf(strSearchCont1, m+lenCont0-1) >= 0) || (intSrchType==1 && strName.substr(0, lenCont0) == strSearchCont0 && strName.substr(j - lenCont1, lenCont1) == strSearchCont1) || (intSrchType==2 && strName == strSearch)) && (len2 == 0 || (len2 > 1 && strName2.indexOf(strSearch2) >= 0) || (len2 == 1 && strName2.charAt(0) == strSearch2.charAt(0))))){
      strArray [count]="<i>Surname:</i> "+sList[i].firstChild.nodeValue+"<br />";
      if(gList[i].firstChild.nodeValue!='-')strArray [count]+="<i>Given name(s):</i> "+gList[i].firstChild.nodeValue+"<br />";
      if(bList[i].firstChild.nodeValue!='-')strArray [count]+="<i>Born:</i> "+bList[i].firstChild.nodeValue+"<br />";
      if(oList[i].firstChild.nodeValue!='-')strArray [count]+="<i>Previous occupation:</i> "+oList[i].firstChild.nodeValue+"<br />";
      if(jList[i].firstChild.nodeValue!='-')strArray [count]+="<i>Joined:</i> "+jList[i].firstChild.nodeValue+"<br />";
      if(aList[i].firstChild.nodeValue!='-')strArray [count]+="<i>Age:</i> "+aList[i].firstChild.nodeValue+"<br />";
      if(mList[i].firstChild.nodeValue!='-')strArray [count]+="<i>Marital status:</i> "+mList[i].firstChild.nodeValue+"<br />";
      if(nList[i].firstChild.nodeValue!='-')strArray [count]+="<i>Notes:</i> "+nList[i].firstChild.nodeValue+"<br />";
      strArray [count]+="<i>Sources:</i> "+xList[i].firstChild.nodeValue+"<br /><br />";
      count++;
    }
    i++;
  }
  if(count){
    strArray.sort();
    strPrint='<h3 class="results">Search results <span style="font-size:13px; font-weight:normal;">(total of '+count+')</span></h3>';
    for(var i=0; i<count; i++) strPrint += strArray [i];
    d.getElementById('strResult').innerHTML=strPrint;
    d.getElementById('htmlProgress').innerHTML='View the results below...';
    results=true;
  }
  else {
    d.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>"+d.getElementById('strQuery').value+" "+d.getElementById('strQuery2').value+"</i></b>, is not in this database.<br /><br />";
    d.getElementById('htmlProgress').innerHTML='There are no results to view.';
    results=false;
  }
  if(!d.getElementById('strQuery').disabled) d.getElementById('strQuery').focus();
  d.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(){
  d.getElementById('htmlProgress').innerHTML="";
  d.getElementById('strResult').innerHTML="";
}
//Copyright(c)2003-2011 B Leadbeater, Australia