Product page problem

Hello! I have a problem with the product page. When i installed the demo version , it was like that : http://easycaptures.com/fs/uploaded/811/8410770222.jpg After what i tried to change the categories > to my categories, they dissapeared, only one remained: http://easycaptures.com/fs/uploaded/811/1254892673.jpg The most disastrous thing is that i tried to fix it by myself and i screwd up the settings of the view, and i don't know how it was initially, i tried to remove completelly the sorting menu and i couldn't. http://easycaptures.com/fs/uploaded/811/9851706374.png Now i would like to get back to the sorting menu like it was in the demo, but i can't, i can't even reinstall the website because there was done a lot of work allready. I will appreciate If you will help me, i will be more than thankfull. Please give me a solution. Thank you very much