Well, i added the code, but nothing happened..

code look like this now:

Code:
void main()
{
	wait(1);
	level_load("lvl.wmb");
	wait(1);
	on_t = use;
        mouse_mode = 0;
}


and what do i have to do, that the mousepointer cant go out of the window?

My System:
Intel Core 2 Duo CPU P8400 @ 2.26 GHz
4 GB Ram
NVIDIA GeForce 9600M GT
32 Bit Windows Vista
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Gamestudio Pro 7.50 / WED V6.875