Comment widget interferes with navigation in Exhibit Plus. Typing i will open the information window, and s the "slideshow".
kristoffer solved the problem (see Widget comment and slideshow).
Open ....\JAlbum\skins\ExhibitPlus\res folder and edit keyboard.js file.
Replace line 27 to 29

//IE&Gecko Code
function IEGeckoKeyPress(oEvent) {
  		if (!oEvent) var oEvent = window.event;

with

//IE&Gecko Code
function IEGeckoKeyPress(oEvent) {
  	if(typeof _jaWidgetFocus != 'undefined' && _jaWidgetFocus) return true;
	if (!oEvent) var oEvent = window.event;

Thank kristoffer