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("h1.replacegfx","/alotta/headergfx",true, false, false);
replaceSelector("h1.replacegfxsolid","/alotta/webbin/heading.php",true, true, false);
replaceSelector("h1.replacegfxaliased","/alotta/webbin/heading.php",true, false, true);
replaceSelector("h1.replacegfxsolidaliased","/alotta/webbin/heading.php",true, true, true);

var testURL = "/alotta/gfx/pixel.gif" ;

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

var hideFlicker = false;
var hideFlickerCSS = "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, solid, aliased)
{
	if(typeof items == "undefined")
		items = new Array();

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

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();

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){ 
		el=elements[0];
		img_col = CJL_getCurrentStyle(el, "color"); 
//document.defaultView.getComputedStyle(el, '').getPropertyValue("color");
		img_font = CJL_getCurrentStyle(el, "font-family");
//document.defaultView.getComputedStyle(el, '').getPropertyValue("font-family");
		img_size = CJL_getCurrentStyle(el, "font-size");
//document.defaultView.getComputedStyle(el, '').getPropertyValue("font-size");
		img_bgcol = CJL_getCurrentStyle(el, "background-color");
//document.defaultView.getComputedStyle(el, '').getPropertyValue("background-color");
		
		img_solid = items[i].solid?"0":"1";
		img_alias = items[i].aliased?"1":"0";
	//	alert("d" + items[i].solid + items[i].aliased + img_solid + img_alias);
		colregex=/^rgb\((\d+),\s?(\d+),\s?(\d+)\)$/
		if(img_col){ 
			//alert("color:"+img_col);
			//img_col=img_col.replace(/^rgb\((\d+),\s?(\d+),\s?(\d+)\)$/, ""+RegExp.$1+","+RegExp.$2+","+RegExp.$3);
			//colregex.exec(img_col);
			//img_col=""+RegExp.$1+","+RegExp.$2+","+RegExp.$3;A
			img_col=img_col.replace(/^rgb/, '').replace(/[^\d,a-f]/gi, '');
		}else{
			img_col="0,0,0";
		}
		if(img_bgcol){
			if(img_bgcol=='transparent') img_bgcol="255,255,255";
			else{
				colregex.exec(img_bgcol);
				img_bgcol=""+RegExp.$1+","+RegExp.$2+","+RegExp.$3;
			}
		}else{
			img_bgcol="255,255,255";
		}
		if(img_font){
			img_font=img_font.split(",")[0];
		}else{
			img_font="arial";
		}
		if(img_size){
			img_size=img_size.replace(/[^\d.]+/g, "");
		}else{
			img_size="18";
		}
		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 + "/" + 
					img_solid + "/" + img_alias + "/" + 
					img_col + "/" + img_bgcol + "/" + 
					img_size + "/" + img_font + "/" + 
					escape(tokens[k]+' ') + ".png";
				
				// "&selector="+escape(items[i].selector);
				
				var image = document.createElement("img");
				image.className = "replacement";
				image.alt = tokens[k] ;
				image.src = url;
				image.border = 0;
				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(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();


/********************************************************
 * Copyright (C) 2002-2003, CodeHouse.com. All rights reserved.
 * CodeHouse(TM) is a registered trademark.
 *
 * THIS SOURCE CODE MAY BE USED FREELY PROVIDED THAT
 * IT IS NOT MODIFIED OR DISTRIBUTED, AND IT IS USED
 * ON A PUBLICLY ACCESSIBLE INTERNET WEB SITE.
 * 
 * CodeHouse.com JavaScript Library Module: Get Current Style Method
 *
 * You can obtain this script at http://www.codehouse.com
 ********************************************************/
function CJL_getCurrentStyle(elem, prop)
{
   if( elem.currentStyle )
   {  
      var ar = prop.match(/\w[^-]*/g);
      var s = ar[0];
      
      for(var i = 1; i < ar.length; ++i)		   
      {
         s += ar[i].replace(/\w/, ar[i].charAt(0).toUpperCase());
      }
           
      return elem.currentStyle[s]
   }
   else if( document.defaultView.getComputedStyle )
   {
      return document.defaultView.getComputedStyle(elem, null).getPropertyValue(prop);
   }
}