Spam Eraser

local lOriginalChatFrame_OnEvent;

function SpamEraser_OnLoad()
	this:RegisterEvent("CHAT_MSG_CHANNEL");
    
	lOriginalChatFrame_OnEvent = ChatFrame_OnEvent;
	ChatFrame_OnEvent = SpamEraser_ChatFrame_OnEvent;
end

function SpamEraser_OnEvent(event)
end

function SpamEraser_ChatFrame_OnEvent(event)
    if ( strsub(event, 1, 16) == "CHAT_MSG_CHANNEL" ) then
        -- event: CHAT_MSG_CHANNEL
        -- arg1: message
        -- arg2: author
        -- arg3: language
        -- arg4: channel name
        
        if ( string.find(string.lower(arg1), "murloc") and string.find(arg4, "Trade") ) then
            return false
        end
        if ( string.find(string.lower(arg1), "norris") and string.find(arg4, "Trade") ) then
            return false
        end
        if ( string.find(string.lower(arg1), "www") and string.find(arg4, "Trade") ) then
            return false
        end
    end

    lOriginalChatFrame_OnEvent(event)
        
    return true
end