HELP - kirupa platform game

hi, i need help making my character jump like the one in the kirupa platform game. when i press the UP button my character squats down but doesn’t go up in the air. the character moves left, right, attacks and dies. i also need help on how to make the character shoot.

i basically copied the code from ball onto my character.[URL=“http://www.megaupload.com/?d=1TEUHK1O”]