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 = "#0066FF";
          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 == "999999" || 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();

});