Scroll 2 Things At Once (the Player Div And The Global_map Div)?

i have found an engine that i would like to edit, in the following javascript code, it will contain code on moving a player to the left, what i want is for every 32px it moves the player left, i want it to also to scroll the map at the same time (it's all contained in a div called "global_map") -

function player_move_left(user_id, bloc_id, charaset, prefix)
{
var player_id = prefix + user_id;[code]....

how to scroll 2 things at the same time (the player div and the global_map div)