The problem: cracked paint on bathroom walls and unsure if paint contains lead:
I would like to repaint the walls in my bathroom which contains a shower, so obviously I have to choose the proper paint that will withstand moisture. However, the semi-gloss paint that is currently on the walls is cracked and crazing for an area of about 40% of the walls. I believe this is oil-based paint. I do not know if this paint contains lead. So since I have no idea how old the paint is and since the house is 45 years old, I suppose the best thing to do is to first test for lead, right? Should I buy a lead-testing kit or hire an expert?
I know I'm jumping ahead now, but say for instance that lead is present in the paint, what should I do to fix the cracking paint and not create a hazard? Wallpaper isn't a good idea because of the shower.