function receive_chat_msg(var sender, STRING* msg)
{
STRING* save_string = "#100"; //stores the msg string, because it's only 1 frame available
str_cpy(save_string,msg);
str_cpy(chatmsgs[4],chatmsgs[3]);
str_cpy(chatmsgs[3],chatmsgs[2]);
str_cpy(chatmsgs[2],chatmsgs[1]);
str_cpy(chatmsgs[1],chatmsgs[0]);
str_cpy(chatmsgs[0],save_string);
}