попрвлено зацикливание.

slide/Drawing/Transitions.js

@@ -3123,20 +3123,17 @@ function CDemonstrationManager(htmlpage)
         if (!_is_transition)
             this.SlideNum++;
 
-        if (this.SlideNum >= this.SlidesCount)
-        {
-            if (this.HtmlPage.m_oApi.WordControl.m_oLogicDocument.isLoopShowMode())
+        if (this.HtmlPage.m_oApi.WordControl.m_oLogicDocument.isLoopShowMode() && (this.SlideNum >= this.SlidesCount))
             this.SlideNum = 0;
+
+        if (this.SlideNum > this.SlidesCount)
+            this.End();
         else
         {
-                this.End();
-                return;
-            }
-        }
-
             this.HtmlPage.m_oApi.sync_DemonstrationSlideChanged(this.SlideNum);
             this.StartSlide(!_is_transition, false);
         }
+    }
 
     this.PrevSlide = function()
     {