Problem with flash buttons

hello i am a newbie to flash

i have done a screen shot of what i am try to explain
http://www.dreamteam.greater-peterborough.com/flashbuttons.doc

the problem i have is can some one explain what the green bit does thats around the text.

because the action command is the same on
prices and on portfolio. but i cand get the button to work the same it just flickers

action command:
on (rollOver) {
gotoAndPlay(2);
}
on (rollOut) {
gotoAndPlay(11);
}
on (release) {
unloadMovieNum(1);
loadMovieNum(“1034 prices.swf”, 1);
}

the only thing i can see is different is i have deleted the green bit.
please help jason

this is the site,the link may change as im stil playing with it
http://www.dreamteam.greater-peterborough.com/1034.html