It doesn't do it to me, using the back feature. May I suggest using Firefox as browser? It seems nearly all Problems associated with websites are taken out of the picture. You'll have to download a few addon's after installing but after you get it going, you cant beat it.
Plus, You cannot beat the built in spell check!
I'm using Mozilla Firefox v 22.214.171.124
"Thomas Jefferson said I had a God-given right to pursue happiness. What makes me happy is to take a mallard's head smooth off at about 20 feet.
Lanyard: KM Cut red label Black Monster #1,custom cut Fallen Oaks, Zink PH, 6n1 whistle