TabNavIt（@Firefox Add-ons）0.0.7.1 Installed

TabNavIt is an easy to use Tab Navigation extension that allows you to quickly change the selected tab using the mouse scroll wheel from anywhere in the content window.

畫面任何處(圖片除外)滑鼠右鍵+滾輪往上：右邊 Tab
畫面任何處(圖片除外)滑鼠右鍵+滾輪往下：左邊 Tab