How to make a TOWER DEFENSE GAME in flash ( AS3) part 1

HOW TO MAKE A GAME IN FLASH In this tutorial I will show you how to make a tower defense game in flash by using the programming language ActionScript 3. This is an advanced tutorial compared to my other Defense game is a real time startergy game. The goal of the tower defense game is to try to stop enemies from crossing a map by building towers that shoot at them as they an enemy is defeated the player will earn money or points, The player can use this money to buy new tower or u