// Variables declarations
var counter:Number;
var totalTracks:Number;
var loadVars:LoadVars = new LoadVars();

// Loads an external file
loadVars.load("totalTracks.txt");

// When finished loading
loadVars.onLoad = function():Void {
	totalTracks = Number(loadVars.totalTracks);
	
	// Creates 'totalTracks' number of instances
	for(counter = 1; counter <= totalTracks; counter++) {
		mc_clipX.attachMovie("mc_file", "mc_file" + counter, currentDepth + 1, {_x:5, _y:5 * counter});
		currentDepth++;
	}
	
	// Until this point everything works fine. But this method does not work. What is the problem ?
	_root['mc_clipX.mc_file' + 1].onRollOver = function():Void {
		this.gotoAndStop("over");
	}

	// ------------------------------------------------
	// If I put this it works:
	mc_clipX.mc_file1.onRollOver = function():Void {
		this.gotoAndStop("over");
	}
	// ------------------------------------------------

	// But I need this method to work for all the 'totalTracks' number of instances.
}