(function() { 

	// @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_element : function (id, fps, duration, from, to) 
	        {
	                if (!fps) { fps = 30; }
	                if (!duration) { duration = 3000; }
	                if (!from || from=="#") { from = "#FFFF33"; }
	                
					var t,num,nid;
					if(typeof id !== 'string') {
						id = BBX.utils.addid(id,'YFT');
					}
					
					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);
	                
	//				alert('from:'+from+' to:'+to);
					
					
					
	                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("BBX.fat.set_bgcolor('"+id+"','"+h+"')", delay);
					//			setTimeout(function() { Fat.set_bgcolor(id,i,col); }, delay);
	
	                        frame++;
	                        delay = interval * frame;
	                }
					
					setTimeout("BBX.fat.set_bgcolor('"+id+"','"+h+"')", delay);
	        },
	        set_bgcolor : function (id, h)
	        {
	                var o = document.getElementById(id);
					if(o) {
	                	o.style.backgroundColor = h;
					}
	        },
	        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], 10),parseInt(rgb[2], 10),parseInt(rgb[3], 10)); }
	                return c;
	        }
	  
	};
	
	
	BBX.namespace('fat');
	BBX.fat = Fat;

})();