Problem with Attach File... ????

Hi comunity...

I need your help, ´cause i´ve installed Joo!BB in joomla 1.8 and i found, and have problems, when anyone try to upload attachments to their post....

I try to figure out, where the problem is, but I realy don´t know... Can you help me???

I can select the file that I want to attach, but when I press ATTACH button don´t do anything.....

Please I need to fix that problem soon as posible

Re: Problem with Attach File... ????

It also doesnt work on this site either by the looks of things