MovieClip.prototype.setRGB = function(col) {
	(new Color(this)).setRGB (col);
}
MovieClip.prototype.getRGB = function() {
	return (new Color(this)).getRGB ();
}
MovieClip.prototype.colorChange = function(niv , colorA , tDep , d) {
	var t = 0;
	var t2 = 0;
	var mc = this.createEmptyMovieClip("colorChg"+niv,niv);
	with(mc) {
		var beg = this.getRGB().toString(16);
		//trace("couleur de DEPART = "+beg); 
		//trace("couleur d ARRIVEE = "+colorA);
		//trace("t = "+t); trace("d = "+d);
		//trace("q = "+q)   
		var cD1 = parseInt(beg.substring(0,2),16);
		var cD2 = parseInt(beg.substring(2,4),16);
		var cD3 = parseInt(beg.substring(4,6),16);
		var cA1 = parseInt(colorA.substring(2,4),16);
		var cA2 = parseInt(colorA.substring(4,6),16);
		var cA3 = parseInt(colorA.substring(6,8),16);
		var c1 = cA1-cD1;
		var c2 = cA2-cD2;
		var c3 = cA3-cD3;
		//trace(c1+" - "+c2+" - "+c3);
		mc.onEnterFrame = function() {
			if(tDep > t2) {
			   t2++;
			}
			else {
				for(i=1 ; i<4 ; i++){
					this["colR"+i] = Math.round(eval("cD"+i)+((eval("c"+i)/d)*t)).toString(16);
					if (eval("colR"+i).length<2) {
						this["colR"+i] = "0"+eval("colR"+i).toString();
					}
					else {
						this["colR"+i] = eval("colR"+i);
					}
				}
				this._parent.setRGB("0x"+this.colR1+this.colR2+this.colR3);
				if(t++ >= d.toString()) {
					 delete this.onEnterFrame;
					 this.removeMovieClip;
				}
			}
		}
	}
}
mc.colorChange(0,"0x010101",0,20);
btnTab = [btn1,
		  btn2,
		  btn3];
colorTab = ["FFFF00",
			"FF66C1",
			"B0E84C"]
 
for(i=0; i<btnTab.length; i++){
	id = i;
	monBtn = btnTab[id];
	monBtn.num = id;
	monBtn.onRelease = function(){
		trace(colorTab[this.num])
		mc.colorChange(0,"0x"+colorTab[this.num],0,20);
	}
}