Mobile home shower door quit staying closed? If anyone knows how to business with this, please answer. I'm...

If anyone knows how to business with this, please answer. I'm sure it is cause by settling considering I set this place down this past March but it is annoying plus I dont want the hose down messing up the carpet. There is singular a thing strip of a magnet the integral length up and down.
Fuel grease furnace---how do I capture rid of...
Answers:    go to hardware store
How much would it cost to replace the...
screw it shut and climb over the top, only kidding!! ideally if the house have settled you would re-level the house, because of the weather ,etc, some times this is not feasible. some type of provisional clamp. depending on how the door system is made you might be able to use a squeeze clamp at the top of the door to hold it to the frame while your using it.