Hello, i remade the plugin changeing somethings, like:
-It blocks client's "use" for 5 seconds if he is spamming it.
-It uses a hook for doors, so it won't check in every Gameframe and it really conts when the door is activated.
And some other things....
Here is the link to the plugin:
http://forums.alliedmods.net/showthread.php?p=1580841
thanks!