Alguna de forma de reducir este codigo

[TMeister]

Código:

buttons = [excel_mc, word_mc, per_mc];
for (a = 0; a < buttons.length; a++)
{
	buttons[a].onRollOver = function() {
		this._xscale = 125;
		this._yscale = 125;
	};
	buttons[a].onRollOut = function() {
		this._xscale = 100;
		this._yscale = 100;
	};
	buttons[a].onPress = function() {
		this.startDrag();
	};
	buttons[a].onRelease = function() {
		this.stopDrag();
	};
}