Need help in flash Emphasis for changing values

hi all
i created project that depends on xml data so i can move from the next data values and Previous using tow bouttns …
i need to do it with other way using sliding Emphasis from the left to the right and when i move the point on the Emphasis the values cahnge
i found it littel Difficult for me coz am nnot good enogh in Action Script… but i found some old work dpends on fixed values
this thread included open soruce for the work i made
plz help me if u can …