addEvent("on",true)  
addEventHandler("on",root,  
function () 
addEventHandler("onPlayerChat", root, mute)     
end) 
  
addEvent("off",true)  
addEventHandler("off",root,  
function () 
 removeEventHandler("onPlayerChat", root, mute)     
end 
) 
  
  
time = 30 
timer = {} 
  
    function mute(msg,type) 
        local find = string.find(msg,getPlayerName(source)) 
        if ( type == 0 and find ) then 
            setPlayerMuted(source,true) 
            outputChatBox("* You Are Muted For " .. time .. " " ,source,255,0,0,true) 
            timer[source] = setTimer(endMute,time * 1000,1,source) 
        end 
    end 
  
  
function endMute(player) 
    setPlayerMuted(player,false) 
    outputChatBox("* You Can Talk Now",player,0,255,0,true) 
end 
  
addEventHandler("onPlayerQuit",root, 
    function () 
        if ( isTimer(timer[source]) ) then 
            killTimer(timer[source]) 
        end 
    end 
)