My freakin fla game eats my comp

i have begun workin on a fla game for a few weeks now.it s my first.i m not a real coder but learning.and i don t understand how come my first level with a few drag n drops actions,custom cursor,a few animations,attach mc s,etc,ALL VECTOR graphics can slow the comp so bad !? it’s eating 99% of my cpu(pentium 4- 2.40GHz).i play a lot of games and none of them do that! esspecially flash games!!!what is wrong here?my bad coding can be the problem?what is to do?can anyone tip me on how do deal with this?before i give up :frowning: