MovieClip.prototype.setOnRelease = function( objFunc ){
	this.__onRelease = objFunc;
	this.onRelease   = this.func_onRelease;	
};         

MovieClip.prototype.getOnRelease = function(){
		return this.__onRelease;	
};         

MovieClip.prototype.func_onRelease = function(){
		this.__onRelease();
		/* 任意の共通処理を以下に */
		trace('onRelease is Called');	
};         

MovieClip.prototype.addProperty( 'onRelase2',MovieClip.prototype.getOnRelease,MovieClip.prototype.setOnRelease);