Script problem

Hy ! I have another problem :bored:

_highquality = 0;
stop();
_root.pause = 0;

this simple script is [?]
i try to explain this but i have no results

_highquality is reffer to propertis of the mouvie …
whay she have this[COLOR=RoyalBlue]= 0;[/COLOR] ???

???
_highquality = 0;
stop();
_root.pause = 0;

if you can explain … please help !

sorry for my english :x