1. Cut to proper length and use these to put them back togeather http://shop.ettansmopeder.se/public/img/user/25292.jpg (don't know the english word for these) or you can probably by new ones from a local music shop. Here across the sea we have Thomann, you guys probably got something similar.
2. don't know
3. If its narrow enough when it's set at its highest, if not you can always use a piece of plywood on top to get a table