Most of us are so worried about the economy and layoffs that job hopping is the last thing on our minds, but there are hundreds of reasons you might leave your current position. If you are one of the lucky employees who finds a new, better position or simply decides to move on from your current job, take heed. It's tempting to sign up for a new adventure without closing up your current one, but following standard etiquette can go a long way. Here are some suggestions for leaving your current workplace with class, grace, and your dignity intact.