var fontClassFilters = [];
var Font = function(){this.init.apply(this, arguments)};
Font.prototype = {
	fontPath: '/a/flash/fonts/',
	init: function(swf, options){
		this.swf = this.fontPath + swf;
		this.setOptions(options || {});
		String.prototype.rgbToHex = this.rgbToHex;
		String.prototype.toHex = this.toHex;
		Array.prototype.indexOf = this.indexOf;
	},
	setOptions: function(o){
		this.options = {
			sizeAdjust: o.sizeAdjust || 0,
			color: o.color || o.sColor,
			bgcolor: o.bgcolor,
			width: o.width,
			height: o.height,
			sWmode: o.sWmode || 'transparent',
			tags: o.tags || '',
			classFilter: o.classFilter || ''
		}
		if(o.classFilter) fontClassFilters[fontClassFilters.length] = o.classFilter;
	},
	replace: function(tags){
		var tags = (tags || this.options.tags).split(',');
		for(var i=0; tag=tags[i]; i++)
			this.replaceTag(tag);
	},
	replaceTag: function(tag){
		this.replaceElements(document.getElementsByTagName(tag));
	},
	replaceElements: function(els){
		for(var i=0; el=els[i]; i++)
			this.replaceElement(el);
	},
	replaceElement: function(el){
		var o = this.options;
		if(!this.hasFlash || el.oldHTML || (!o.classFilter && this.hasClassName(el, fontClassFilters)) || (o.classFilter && el.className.indexOf(o.classFilter)==-1)) return;
		var c = this.options.color || el.style.color || document.defaultView ? document.defaultView.getComputedStyle(el, null).color : el.currentStyle ? el.currentStyle.color : '#000001';
		if(c.indexOf('rgb') > -1) c = '#'+c.rgbToHex();
		else if(c.length == 4) c = '#'+c.charAt(1)+c.charAt(1)+c.charAt(2)+c.charAt(2)+c.charAt(3)+c.charAt(3);
		var width = o.width || (el.offsetWidth + o.sizeAdjust) * .9;//fix for ie floats
		var height = o.height || el.offsetHeight;
		var sVars = 'txt=' + escape(el.innerHTML) + '&textcolor=' + c + '&w=' + width + '&h=' + (height+o.sizeAdjust) + '';
		el.oldHTML = el.innerHTML;
		el.innerHTML = '<embed type="application/x-shockwave-flash" src="' + this.swf + '" quality="best" wmode="' + o.sWmode + '" bgcolor="' + o.bgcolor + '" flashvars="' + sVars + '" width="' + width + '" height="' + height + '" sifr="true"></embed>';
	},
	hasClassName: function(el, classNames) {
		if (!classNames || classNames.length < 1)
			return false;
		var cns = el.className.split(' ');
		for(var i=0; cn=cns[i]; i++)
			if(classNames.indexOf(cn)) return true;
		return false;
	},
	indexOf: function(needle){
		for(var i=0; val=this[i]; i++)
			if(val == needle) return i;
		return -1;
	},
	toHex: function(){//borrowed from mootools.net
		var N = parseInt(this);
		if (N==0 || isNaN(N)) return "00";
		N = Math.round(Math.min(Math.max(0,N),255));
		return "0123456789abcdef".charAt((N-N%16)/16) + "0123456789abcdef".charAt(N%16);
	},
	rgbToHex: function(){//borrowed from mootools.net
		var rgb = this.match(/[rgba]{3,4}\(([\d]{0,3}),[\s]([\d]{0,3}),[\s]([\d]{0,3})\)/);
		return rgb[1].toHex()+rgb[2].toHex()+rgb[3].toHex();
	},
	hasFlash: function(){//borrowed from the original sIFR
		var nRequiredVersion = 6;	

		if(navigator.appVersion.indexOf("MSIE") != -1 && navigator.appVersion.indexOf("Windows") > -1){
			document.write('<script language="VBScript"\> \non error resume next \nhasFlash = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash." & ' + nRequiredVersion + '))) \n</script\> \n');
			/*	If executed, the VBScript above checks for Flash and sets the hasFlash variable. 
				If VBScript is not supported it's value will still be undefined, so we'll run it though another test
				This will make sure even Opera identified as IE will be tested */
			if(window.hasFlash != null){
				return window.hasFlash;
			};
		};

		if(navigator.mimeTypes && navigator.mimeTypes["application/x-shockwave-flash"] && navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin){
			var flashDescription = (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]).description;
			return parseInt(flashDescription.substr(flashDescription.indexOf(".") - 2, 2), 10) >= nRequiredVersion;
		};

		return false;	}()
}