/*
   * jQuery Color Animations
   * Copyright 2007 John Resig
   * Released under the MIT and GPL licenses.
   */
  
  (function(jQuery){
  
          // We override the animation for all of these color styles
          jQuery.each(['backgroundColor', 'borderBottomColor', 'borderLeftColor', 'borderRightColor', 'borderTopColor', 'color', 'outlineColor'], function(i,attr){
                  jQuery.fx.step[attr] = function(fx){
                          if ( fx.state == 0 ) {
                                  fx.start = getColor( fx.elem, attr );
                                  fx.end = getRGB( fx.end );
                          }
  
                          fx.elem.style[attr] = "rgb(" + [
                                  Math.max(Math.min( parseInt((fx.pos * (fx.end[0] - fx.start[0])) + fx.start[0]), 255), 0),
                                  Math.max(Math.min( parseInt((fx.pos * (fx.end[1] - fx.start[1])) + fx.start[1]), 255), 0),
                                  Math.max(Math.min( parseInt((fx.pos * (fx.end[2] - fx.start[2])) + fx.start[2]), 255), 0)
                          ].join(",") + ")";
                  }
          });
  
          // Color Conversion functions from highlightFade
          // By Blair Mitchelmore
          // http://jquery.offput.ca/highlightFade/
  
  	// Parse strings looking for color tuples [255,255,255]
          function getRGB(color) {
                  var result;
  
                  // Check if we're already dealing with an array of colors
                  if ( color && color.constructor == Array && color.length == 3 )
                          return color;
  
                  // Look for rgb(num,num,num)
                  if (result = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(color))
                          return [parseInt(result[1]), parseInt(result[2]), parseInt(result[3])];
  
                  // Look for rgb(num%,num%,num%)
                  if (result = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)%\s*,\s*([0-9]+(?:\.[0-9]+)?)%\s*,\s*([0-9]+(?:\.[0-9]+)?)%\s*\)/.exec(color))
                          return [parseFloat(result[1])*2.55, parseFloat(result[2])*2.55, parseFloat(result[3])*2.55];
  
                  // Look for #a0b1c2
                  if (result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(color))
                          return [parseInt(result[1],16), parseInt(result[2],16), parseInt(result[3],16)];
  
                  // Look for #fff
                  if (result = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(color))
                          return [parseInt(result[1]+result[1],16), parseInt(result[2]+result[2],16), parseInt(result[3]+result[3],16)];
  
                  // Otherwise, we're most likely dealing with a named color
                  return colors[jQuery.trim(color).toLowerCase()];
          }
          
          function getColor(elem, attr) {
                  var color;
  
                  do {
                          color = jQuery.curCSS(elem, attr);
  
                          // Keep going until we find an element that has color, or we hit the body
                          if ( color != '' && color != 'transparent' || jQuery.nodeName(elem, "body") )
                                  break; 
  
                          attr = "backgroundColor";
                  } while ( elem = elem.parentNode );
  
                  return getRGB(color);
          };
          
          // Some named colors to work with
          // From Interface by Stefan Petre
          // http://interface.eyecon.ro/
  
  	var colors = {
                  aqua:[0,255,255],
                  azure:[240,255,255],
                  beige:[245,245,220],
                  black:[0,0,0],
                  blue:[0,0,255],
                  brown:[165,42,42],
                  cyan:[0,255,255],
                  darkblue:[0,0,139],
                  darkcyan:[0,139,139],
                  darkgrey:[169,169,169],
                  darkgreen:[0,100,0],
                  darkkhaki:[189,183,107],
                  darkmagenta:[139,0,139],
                  darkolivegreen:[85,107,47],
                  darkorange:[255,140,0],
                  darkorchid:[153,50,204],
                  darkred:[139,0,0],
                  darksalmon:[233,150,122],
                  darkviolet:[148,0,211],
                  fuchsia:[255,0,255],
                  gold:[255,215,0],
                  green:[0,128,0],
                  indigo:[75,0,130],
                  khaki:[240,230,140],
                  lightblue:[173,216,230],
                  lightcyan:[224,255,255],
                  lightgreen:[144,238,144],
                  lightgrey:[211,211,211],
                  lightpink:[255,182,193],
                  lightyellow:[255,255,224],
                  lime:[0,255,0],
                  magenta:[255,0,255],
                  maroon:[128,0,0],
                  navy:[0,0,128],
                  olive:[128,128,0],
                  orange:[255,165,0],
                  pink:[255,192,203],
                  purple:[128,0,128],
                  violet:[128,0,128],
                  red:[255,0,0],
                  silver:[192,192,192],
                  white:[255,255,255],
                  yellow:[255,255,0]
          };
          
  })(jQuery);