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.
*/


var handlerURL 			= "/_Heading.php";
var testURL 			= "/images/test.png";
var printerCSS 			= "/css/replacement-print.css";
var hideFlickerCSS 		= "/css/replacement-screen.css";

var doNotPrintImages 	= false;
var hideFlicker 		= false;
var hideFlickerTimeout 	= 1000;
var imageLoaded 		= false;
var documentLoaded 		= false;
var hasStyle			= false;
var items;

replaceSelector("h1",true);
replaceSelector("h2",true);
replaceSelector("h3",true);
replaceSelector("h6",true);

Event.observe(window,'load', function(){ replacement() });

function replaceSelector(selector,wordwrap)
{
	if(typeof items == "undefined")
		items = new Array();
	
	items[items.length] = {selector: selector, url: handlerURL, wordwrap: wordwrap};
}

if(hideFlicker)
{		
	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();

function replacement()
{
	for(var i=0;i<items.length;i++)
	{
		var elements = $('container').select(items[i].selector);
		if(elements.length > 0) for(var j=0;j<elements.length;j++)
		{
			if(!elements[j])
				continue ;
				
			var style = elements[j].getStyle('color');
			//alert(style);
			//$(element).getStyle('font-size');
			
			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;
				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 setStyleSheetState(id,enabled) 
{
	var sheet = document.getElementById(id);
	if(sheet)
		sheet.disabled = (!enabled);
}

function hasStyle($element)
{
	return 1;
}

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;
}

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