dcmd_duel(playerid, params[])
{
	new tmp[256], tmp2[256], idx;
	tmp = strtok(params, idx);
	IDSended = playerid;
	IDInvited = strval(tmp);
	DuelPrice = strval(tmp2);
	
	if(!strlen(tmp))
	{
	    SendClientMessage(IDSended, RED, "-Wrong Command- {FFFFFF}USE: /duel [id]");
		}else if(InDuel[IDSended]==1){
	    SendClientMessage(IDSended, RED, "-Error- {FFFFFF}You're in a duel.");
		}else if(InDuel[IDInvited]==1){
	    SendClientMessage(IDSended, RED, "-Error- {FFFFFF}The other person is in a duel.");
		}else if(!IsPlayerConnected(IDInvited)){
	    SendClientMessage(IDSended, RED, "-Error- {FFFFFF}This player is not connected.");
		}else if(IDInvited == playerid)
		{
	    SendClientMessage(IDSended, RED, "-Error- {FFFFFF}You can not duel with himself.");
	}else{
		if(!strlen(tmp2))
		{
   		}else if(GetPlayerMoney(playerid) < DuelPrice || 0 >= DuelPrice)
	    {
	    SendClientMessage(IDSended, RED, "-Error-");
	    }else{
	    new StringInv[512], Name[64];
		GetPlayerName(IDSended, Name, 64);
		format(StringInv, sizeof(StringInv), "%s is calling you to a challenge. %d", Name, DuelPrice);
        ShowPlayerDialog(IDInvited, DIALOG_INVITE, DIALOG_STYLE_MSGBOX, "Called the challenge", StringInv, "Accept", "Cancel");
	}
	}
	return 1;
}