Breadcrumb Navigation

http://www.hongkiat.com/blog/breadcrumb-navigation-examined-best-practices-examples/

http://stackoverflow.com/questions/18998797/create-breadcrumbs-dynamically-on-client-side-using-javascript

http://www.webdeveloperjuice.com/2011/07/17/7-jquery-breadcrumbs-to-enhance-your-website-navigation/

http://books.google.com.tw/books?id=ZsgL1_PykOgC&pg=PA198&lpg=PA198&dq=javascript+breadcrumb+navigation+html5&source=bl&ots=JjBU9Pq_k2&sig=0pBV2hBALFflEvzEWIaA5GyMHZ0&hl=en&sa=X&ei=JxDSU47TK8Pz8QXXmoKACQ&ved=0CFEQ6AEwBg#v=onepage&q=javascript%20breadcrumb%20navigation%20html5&f=false