GoUp

Adds the button Go Up into the page site. If you wish to temporarily hide GoUp bar, please press right mouse button on GoUp. Version 1.1.6: - added a new option to show/hide the 'Go back' button; Version 1.1.4: - some fixes; Version 1.1.3: - some fixes; Version 1.1: - added compact style; - added options for animation and compact style; - updated style; Version 1.0.1: - added animation; - right mouse click for temporarily hide; - some fixes;