I have a flash template with 6 buttons for 6 menu pages

for example the actionscript for button3 looks like that:

on (rollOver) {
on (releaseOutside, rollOut) {

obviously _root.link=3 means when I click on the button I go to page3
but I want to create new page number 7 so I duplicate page number 3

and I create a new menu button and specify in the button actionscript _root.link=7
but when I click on my new button I don't go to my new page7 but go to page6. I try I write _root.link=8 , _root.link=9 and anytime I go to page6
how do I specify my new page value number to be 7?