<!--
function d2h(dec) { return dec.toString(16);}
function h2d(hex) { return parseInt(hex,16);}
function rgb2h(r,g,b) { return [d2h(r),d2h(g),d2h(b)];}
function h2rgb(h,e,x) {return [h2d(h),h2d(e),h2d(x)];}
function cssColor2rgb(color) {
     if(color.indexOf('rgb')<=-1) {
  return h2rgb(color.substring(1,3),color.substring(3,5),color.substring(5,7));
     }
 var color=color.substring(1,4);
 increase=color.substring(color.length-1);
 return increase.split(',');
}
function animateColor(elm,begin,end, duration, fps) {

  if(!duration) duration = 1000;
  if(!fps) fps = 20;
  duration=parseFloat(duration);
  fps=parseFloat(fps);
  var interval    = Math.ceil(1000/fps);
  var totalframes = Math.ceil(duration/interval);
  for(i=1;i <= totalframes;i++) {
                 (function() {
                   var frame=i;
                   var b = cssColor2rgb(begin);
                   var e  = cssColor2rgb(end);
                   var change0=e[0]-b[0];
                   var change1=e[1]-b[1];
                   var change2=e[2]-b[2];

                  function generalProperty() {
                  var increase0=ease(frame, b[0], change0, totalframes);
                  var increase1=ease(frame, b[1], change1, totalframes);
                  var increase2=ease(frame, b[2], change2, totalframes);

    elm.style['backgroundColor']  = 'rgb('+parseInt(increase0)+','+parseInt(increase1)+','+parseInt(increase2)+')';       
                  }
                  timer = setTimeout(generalProperty,interval*frame);
                 })(); 
 }
}
function ease(frame,begin,change,totalframes) {
 //linear bezier :
       return begin+((begin+change)-begin)*(frame/totalframes);
}
function changeColor() {
	animateColor(document.getElementById('sayaclayer'),'#ff0000','#0000ff',3000,20);
	t1=setTimeout("changeColor()",10000);
}//-->