/* Copyright (c) 2008 Kean Loong Tan http://www.gimiti.com/kltan
 * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * Copyright notice and license must remain intact for legal use
 * jFade
 * Version: 1.0 (Jun 30, 2008)
 * Requires: jQuery 1.2.6+
 * 
 *
 * Original Code Copyright (c) 2008 by Michael Leigeber
 * Website: http://www.leigeber.com
 * 
 *
 */
(function(A) {
	A.fn.jFade = function(N) {
		var B = A.extend( {}, A.fn.jFade.defaults, N);
		var F, C, K, E, H, J, I, M, D;
		var G = this;
		var L = function() {
			var Q = G;
			B.steps = B.steps || 20;
			B.duration = B.duration || 20;
			clearInterval($(Q).data('jFadeTimer'));
			C = O(B.end);
			K = C[0];
			E = C[1];
			H = C[2];
			if (!Q.r) {
				F = O(B.start);
				r = F[0];
				g = F[1];
				b = F[2];
				Q.r = r;
				Q.g = g;
				Q.b = b
			}
			J = Math.round(Math.abs(Q.r - K) / B.steps);
			I = Math.round(Math.abs(Q.g - E) / B.steps);
			M = Math.round(Math.abs(Q.b - H) / B.steps);
			if (J == 0) {
				J = 1
			}
			if (I == 0) {
				I = 1
			}
			if (M == 0) {
				M = 1
			}
			Q.step = 1;
			Q.timer = setInterval(function() {
				P(Q, B.property, B.steps, K, E, H, J, I, M)
			}, B.duration);
			$(Q).data('jFadeTimer', Q.timer);
			function P(V, d, a, e, U, X, c, Y, f) {
				var T = V;
				var S;
				if (T.step <= a) {
					var R = T.r;
					var W = T.g;
					var Z = T.b;
					if (R >= e) {
						R = R - c
					} else {
						R = parseInt(R) + parseInt(c)
					}
					if (W >= U) {
						W = W - Y
					} else {
						W = parseInt(W) + parseInt(Y)
					}
					if (Z >= X) {
						Z = Z - f
					} else {
						Z = parseInt(Z) + parseInt(f)
					}
					S = "rgb(" + R + "," + W + "," + Z + ")";
					A(V).css(d, S);
					T.r = R;
					T.g = W;
					T.b = Z;
					T.step = T.step + 1
				} else {
					clearInterval(T.timer);
					S = "rgb(" + e + "," + U + "," + X + ")";
					A(V).css(d, S)
				}
			}
			function O(R) {
				var S = [ parseInt(R.substring(0, 2), 16),
						parseInt(R.substring(2, 4), 16),
						parseInt(R.substring(4, 6), 16) ];
				return S
			}
		};
		if (B.trigger == "load") {
			L()
		} else {
			A(this).bind(B.trigger, function() {
				G = this;
				L()
			})
		}
		return this
	};
	A.fn.jFade.defaults = {
		trigger : "load",
		property : "background",
		start : "FFFFFF",
		end : "000000",
		steps : 5,
		duration : 30
	}
})(jQuery);