//I've seen this script before but not with an on off
//You can also add or tweak this script by adding another command
//with the cl_crosshaircolor and you should put your likeings for the scale in the config
alias "steady_active" "cl_crosshaircolor 1; cl_crosshairscale 0"
alias "steady_inactive" "cl_crosshaircolor 4; cl_crosshairscale 4000"
alias "+attack3" "+attack;steady_active"
alias "-attack3" "-attack;steady_inactive"
alias Coloron "bind mouse1 +attack3"
alias Coloroff "bind mouse1 +attack"

//Script by Syk0

bind pgup Coloron
bind pgdn Coloroff