Форуми / Cotonti / Support / Smilies seemes limited in number

You have mistakes in your set.js at lines 612, 633 (dot at the end of line). Also at line 794 replace bier-proosten with bier_proosten, and the same is for en/en.lang.js at line 114.

Height property doesn't work because of a bug in jQuery UI. And honestly the dialog is not very good on its own.