bind "C" "toggle voice_enable 0 1"
bind "x" "use weapon_c4; drop;"
alias +walkvol "incrementvar volume 0 1 0.5;+speed"
alias -walkvol "incrementvar volume 0 1 -0.5;-speed" 
bind shift +walkvol
bind "mwheeldown" +jump; bind "mwheelup" +jump; bind "space" +jump