Mine

public OnGameModeInit()
{
	// You don't need these, but DO NOT use 0 for either value
	ShowNameTags(1);
	ShowPlayerMarkers(1);
}

public OnPlayerSpawn()
{
	SetTimerEx( "HidePlayer" , 300 , 0 , "i" , playerid );
}

public HidePlayer(playerid)
{
	new pcolor;
	pcolor = GetPlayerColor(playerid);
	new pcolor2 = pcolor;
	pcolor &= 0xFFFFFF00;

	for (new i; i < MAX_PLAYERS; i++)
	{
		if (IsPlayerConnected(i))
		{
			if (gTeam[playerid] != gTeam[i])
			{
				//ShowPlayerNameTagForPlayer(i,playerid,0);
				SetPlayerMarkerForPlayer(i,playerid,pcolor);
        	    
				new pcolor3;
				pcolor3 = GetPlayerColor(i);
				pcolor3 &= 0xFFFFFF00;
								
				//ShowPlayerNameTagForPlayer(playerid,i,0);
				SetPlayerMarkerForPlayer(playerid,i,pcolor3);
			} else {
				//ShowPlayerNameTagForPlayer(i,playerid,1);
				SetPlayerMarkerForPlayer(i,playerid,pcolor2);
				//ShowPlayerNameTagForPlayer(playerid,i,1);
				SetPlayerMarkerForPlayer(playerid,i,pcolor2);
			}
		}
	}
}