how can i fix my r button on my ds?

One day, i couldn't find my ds--i looked all over & i couldnt find it for exactly 6 weeks!!! turns out, my brothers were trying to figure out a way to break it!!(evil right?) i eventually got it back, but my ds lokked real messed up. i played it to see if it worked & mostly it was all right, but to my horror, my r button got stuck!!! i did everythinfg i could to fix my ds, blowing on it, asking the nintendo people, cleaning it with a fresh toothbrush, i looked ways to fix it on the internet--i tried, but nothing worked i seriosly need to fix my r button do u have any suggestions besides "call the nintendo people, blow on the damaged area,replace it, clean it" i've head it all & done it all but nothing's working!! i'm so distraught, i got this ds for my b-day, & i dont have any money to get another one. my parents refuse to buy me one so i really need some help im desperate!! all my video games require the use of my r button so i gotta get it fixed please help!!