I ve updated your plugin to 11.1 and a lot of plugin ( nextgen to 2.07) and WP to 3.6
The scroll dont 'work well !
I ve downgraded to 10.2 and its also the same !
So I suppose is an another plugin ... (I ve desactived all the plugion and its the same !
Can someone help me ?
http://www.warrenbarguil.fr/ ( the vertical scroll appears after 5 seoncds...)