default
{
     //collision_start occurs whenever an object bumps into this one, or this object bumps into another. It returns a variable num_detected, which is the number of objects detected colliding with the object. 0 is always the most recent collision. The last number is the least recent.
     collision_start(integer num_detected)
     {
	//If the latest detected object is in the same group that the owner was when he/she rezzed this.
	if(llDetectedGroup(0))
	{
	     //Make the object phantom/walk-thru.
    	     llSetStatus(STATUS_PHANTOM,1);
	     //Number of seconds to wait before turning solid again.
             llSetTimerEvent(1);
	}
     }

     //state_entry occurs when the script resets.
     state_entry()
     {
     }

     //Inside the timer event is what will happen when the timer goes off.
     timer()
     {
	//Make the object solid.
	llSetStatus(STATUS_PHANTOM,0);
	//The timer will keep going at one second intervals unless you do this.
	llSetTimerEvent(0);
     }
}