function com_stewartspeak_replacement() {
/*
  Dynamic Heading Generator
  By Stewart Rosenberger
  http://www.stewartspeak.com/headings/

  This script searches through a web page for specific or general elements
  and replaces them with dynamically generated images, in conjunction with
  a server-side script.
*/

replaceSelector("div#content h2>a","frise/heading_shadow.php",true);
replaceSelector("div#content h2","frise/heading_shadow.php",true);

var testURL = "IMG/test.png" ;

var doNotPrintImages = false;
var printerCSS = "frise/css/replacement-print.css";

var hideFlicker = true;
var hideFlickerCSS = "frise/css/replacement-screen.css";
var hideFlickerTimeout = 1000;




/* ---------------------------------------------------------------------------
  For basic usage, you should not need to edit anything below this comment.
  If you need to further customize this script's abilities, make sure
  you're familiar with Javascript. And grab a soda or something.
*/

var items;
var imageLoaded = false;
var documentLoaded = false;

function replaceSelector(selector,url,wordwrap)
{
  if(typeof items == "undefined")
    items = new Array();

  items[items.length] = {selector: selector, url: url, wordwrap: wordwrap};
}

if(hideFlicker)
{
  var cssNode = document.createElement('link');
  cssNode.id = 'hide-flicker';
  cssNode.type = 'text/css';
  cssNode.rel = 'stylesheet';
  cssNode.href = hideFlickerCSS;
  cssNode.media = 'screen';
  document.getElementsByTagName('head')[0].appendChild(cssNode);
  
  //document.write('<link id="hide-flicker" rel="stylesheet" media="screen" href="' + hideFlickerCSS + '" />');
  window.flickerCheck = function()
  {
    if(!imageLoaded)
      setStyleSheetState('hide-flicker',false);
  };
  setTimeout('window.flickerCheck();',hideFlickerTimeout)
}

if(doNotPrintImages)
  document.write('<link id="print-text" rel="stylesheet" media="print" href="' + printerCSS + '" />');

var test = new Image();
test.onload = function() { imageLoaded = true; if(documentLoaded) replacement(); };
test.src = testURL + "?date=" + (new Date()).getTime();

addLoadHandler(function(){ documentLoaded = true; if(imageLoaded) replacement(); });


function documentLoad()
{
  documentLoaded = true;
  if(imageLoaded)
    replacement();
}

function replacement()
{
  for(var i=0;i<items.length;i++)
  {
    var elements = getElementsBySelector(items[i].selector);
    if(elements.length > 0) for(var j=0;j<elements.length;j++)
    {
      if(!elements[j])
        continue ;

      var text = extractText(elements[j]);
      while(elements[j].hasChildNodes())
        elements[j].removeChild(elements[j].firstChild);

      var tokens = items[i].wordwrap ? text.split(' ') : [text] ;
      for(var k=0;k<tokens.length;k++)
      {
        var url = items[i].url + "?text="+escape(tokens[k]+' ')+"&selector="+escape(items[i].selector);
        var image = document.createElement("img");
        image.className = "replacement";
        image.alt = tokens[k] ;
        image.src = url+"&t=.png";
        elements[j].appendChild(image);
      }

      if(doNotPrintImages)
      {
        var span = document.createElement("span");
        span.style.display = 'none';
        span.className = "print-text";
        span.appendChild(document.createTextNode(text));
        elements[j].appendChild(span);
      }
    }
  }

  if(hideFlicker)
    setStyleSheetState('hide-flicker',false);
}

function addLoadHandler(handler)
{
  if(window.addEventListener)
  {
    window.addEventListener("load",handler,false);
  }
  else if(window.attachEvent)
  {
    window.attachEvent("onload",handler);
  }
  else if(window.onload)
  {
    var oldHandler = window.onload;
    window.onload = function piggyback()
    {
      oldHandler();
      handler();
    };
  }
  else
  {
    window.onload = handler;
  }
}

function setStyleSheetState(id,enabled)
{
  var sheet = document.getElementById(id);
  if(sheet)
    sheet.disabled = (!enabled);
}

function extractText(element)
{
  if(typeof element == "string")
    return element;
  else if(typeof element == "undefined")
    return element;
  else if(element.innerText)
    return element.innerText;

  var text = "";
  var kids = element.childNodes;
  for(var i=0;i<kids.length;i++)
  {
    if(kids[i].nodeType == 1)
    text += extractText(kids[i]);
    else if(kids[i].nodeType == 3)
    text += kids[i].nodeValue;
  }

  return text;
}

/*
  Finds elements on page that match a given CSS selector rule. Some
  complicated rules are not compatible.
  Based on Simon Willison's excellent "getElementsBySelector" function.
  Original code (with comments and description):
    http://simon.incutio.com/archive/2003/03/25/getElementsBySelector
*/
function getElementsBySelector(selector)
{
  var tokens = selector.split(' ');
  var currentContext = new Array(document);
  for(var i=0;i<tokens.length;i++)
  {
    token = tokens[i].replace(/^\s+/,'').replace(/\s+$/,'');
    if(token.indexOf('#') > -1)
    {
      var bits = token.split('#');
      var tagName = bits[0];
      var id = bits[1];
      var element = document.getElementById(id);
      if(!element)
        return new Array();
      if(tagName && element.nodeName.toLowerCase() != tagName)
        return new Array();
      currentContext = new Array(element);
      continue;
    }

    if(token.indexOf('.') > -1)
    {
      var bits = token.split('.');
      var tagName = bits[0];
      var className = bits[1];
      if(!tagName)
        tagName = '*';

      var found = new Array;
      var foundCount = 0;
      for(var h=0;h<currentContext.length;h++)
      {
        var elements;
        if(tagName == '*')
          elements = currentContext[h].all ? currentContext[h].all : currentContext[h].getElementsByTagName('*');
        else
          elements = currentContext[h].getElementsByTagName(tagName);

        for(var j=0;j<elements.length;j++)
          found[foundCount++] = elements[j];
      }

      currentContext = new Array;
      var currentContextIndex = 0;
      for(var k=0;k<found.length;k++)
      {
        if(found[k].className && found[k].className.match(new RegExp('\\b'+className+'\\b')))
          currentContext[currentContextIndex++] = found[k];
      }

      continue;
    }

    if(token.match(/^(\w*)\[(\w+)([=~\|\^\$\*]?)=?"?([^\]"]*)"?\]$/))
    {
      var tagName = RegExp.$1;
      var attrName = RegExp.$2;
      var attrOperator = RegExp.$3;
      var attrValue = RegExp.$4;
      if(!tagName)
        tagName = '*';

      var found = new Array;
      var foundCount = 0;
      for(var h=0;h<currentContext.length;h++)
      {
        var elements;
      if(tagName == '*')
          elements = currentContext[h].all ? currentContext[h].all : currentContext[h].getElementsByTagName('*');
        else
          elements = currentContext[h].getElementsByTagName(tagName);

        for(var j=0;j<elements.length;j++)
          found[foundCount++] = elements[j];
      }

      currentContext = new Array;
      var currentContextIndex = 0;
      var checkFunction;
      switch(attrOperator)
      {
        case '=':
          checkFunction = function(e) { return (e.getAttribute(attrName) == attrValue); };
          break;
        case '~':
          checkFunction = function(e) { return (e.getAttribute(attrName).match(new RegExp('\\b'+attrValue+'\\b'))); };
          break;
        case '|':
          checkFunction = function(e) { return (e.getAttribute(attrName).match(new RegExp('^'+attrValue+'-?'))); };
          break;
        case '^':
          checkFunction = function(e) { return (e.getAttribute(attrName).indexOf(attrValue) == 0); };
          break;
        case '$':
          checkFunction = function(e) { return (e.getAttribute(attrName).lastIndexOf(attrValue) == e.getAttribute(attrName).length - attrValue.length); };
          break;
        case '*':
          checkFunction = function(e) { return (e.getAttribute(attrName).indexOf(attrValue) > -1); };
          break;
        default :
          checkFunction = function(e) { return e.getAttribute(attrName); };
      }

      currentContext = new Array;
      var currentContextIndex = 0;
      for(var k=0;k<found.length;k++)
      {
        if(checkFunction(found[k]))
          currentContext[currentContextIndex++] = found[k];
      }

      continue;
    }

    tagName = token;
    var found = new Array;
    var foundCount = 0;
    for(var h=0;h<currentContext.length;h++)
    {
      var elements = currentContext[h].getElementsByTagName(tagName);
      for(var j=0;j<elements.length; j++)
        found[foundCount++] = elements[j];
    }

    currentContext = found;
  }

  return currentContext;
}


}// end of scope, execute code
if(document.createElement && document.getElementsByTagName && !navigator.userAgent.match(/opera\/?6/i))
  com_stewartspeak_replacement();