Attacking problem

1

I get a problem when I use this code:

 
if(jabbing=false) && Key.isDown(88)){gotoAndPlay("jab")}}

The problem is I get this error when I try and run the game:

 
**Error** Scene=Scene 1, layer=Layer 1, frame=1:Line 8: Unexpected '&&' encountered
      if(jabbing=false) && Key.isDown(88)){gotoAndPlay("jab")}}
Total ActionScript Errors: 1   Reported Errors: 1

So what my code does is if the variable jabbing = false and the x key is down then the stick figure will go to the “jab” frame. Thanks for helping me ^^

OFF TOPIC
attach movie clip help needed ^^


I just need people to see if im right about each part of the code (commented)
Thanks