For all you lazy bums or internet illiterates out there, using Firefox...
Heres a step-to-step guide
1) Go to dmm.co.jp
Right click on browser
> View Page Info
> Permissions
> Set Cookies
Uncheck "Use Default" and click on "Block"
2) Go to adblockplus.org/en/
> Download the Addon for firefox (automatically installs)
> Restart Browser
3) Go to Add-ons menu (aka Add-ons Manager) on firefox
> Extensions
> Options (for Adblock plus)
> Filter preferences
> Custom Filters
> Add filter group (Create your filter group)
> Show/Hide filters (right click on created filter group or just press Ctrl+R)
> Add the following
dmm.co.jp/_js/jquery.js
dmm.co.jp/js/jquery.js
DMM should work NP now.
Thanks to dkmgogo for finding the js to disable