Problema sulsante dinamico

[Uanne]

rel = false;
mc.onRollOut=function(){
 if(rel==false){
  this = new Color(this); 
  this.setRGB(0x666666);
 }
}
mc.onRollOver=function(){
 if(rel==false){
  this = new Color(this); 
  this.setRGB(0x990066);
 }
}
mc.onRelease=function(){
  this = new Color(this); 
  this.setRGB(0x000000);
  rel = true;
}