Cd covers wont work

HI there ive tried everything to get on the site cd covers it wont work,Ive downloaded internet explorer 8 and 8 wouldnt work and the same goes for firefox. Can any one help me

Can anyone help me as ive tried everything to get on to cdcovers and it doesnt work

http://cdcovers.to/

or

http://www.cdcovers.cc/

I´ve never used them before, but I have now just tried, and they seem to be ok