opera 11.50 - last.fm sidebar not showing

hello

this is the first place where i ask after quite a few moments of googling with no results...

the sidebar of every page on last.fm (and of few more sites i use as well) just doesnt load on my opera. at first i thought it was some minor bug on this last.fm so i just ignored it but since it didn't fix itself for quite some time now, i guess i'll have to help it myself :)) have no idea when exactly did it start or what might have caused it but everything works fine on other browsers (tried them just to check)

anyone could give me a hand fixing this problem?

thanks

edit: oh,and here's screenshot: http://imageshack.us/photo/my-images/13/operalastfm.jpg/