[Wolsh]

my_mc.onRollOver = function() { 
    this.onEnterFrame = function(){
          this._xscale+=10;  
          this._yscale+=10; 
          if (this._xscale == 200){
                delete this.onEnterFrame
          }
     }
} 
my_mc.onRollOut = function() {
     this.onEnterFrame = function(){
          this._xscale-=10;  
          this._yscale-=10; 
          if (this._xscale == 100){
                delete this.onEnterFrame
          }
     } 
}