[PrO.GameR]

You are mixing up playertextdraws with global textdraws

PHP код:

loginbox[playerid] = TextDrawCreate(playerid, 412.000000, 314.750000, "usebox");
    TextDrawShowForPlayer(playerid, loginbox); 


first of all there is nothing called loginbox, you have a loginbox[playerid] so if you want to show that you should fix those names
second of all if you are making a textdraw unique for players you should use playertextdraws

PHP код:

loginbox[playerid] = CreatePlayerTextDraw(playerid, 412.000000, 314.750000, "usebox")
PlayerTextDrawShow(playerid, loginbox[playerid]); 


or if you are gonna stay with your global textdraws you should make them like this

PHP код:

loginbox[playerid] = TextDrawCreate(412.000000, 314.750000, "usebox");
    TextDrawShowForPlayer(playerid, loginbox[playerid]); 


fix all of your code according to these ^^