=== modified file 'src/com/goldencode/p2j/ui/client/gui/driver/web/res/p2j.mouse.js'
--- src/com/goldencode/p2j/ui/client/gui/driver/web/res/p2j.mouse.js	2015-09-10 17:38:10 +0000
+++ src/com/goldencode/p2j/ui/client/gui/driver/web/res/p2j.mouse.js	2015-09-15 15:54:41 +0000
@@ -77,6 +77,9 @@
             return;
          }
 
+         // to request the input focus to this window
+         win.canvas.focus();
+
          if (p2j.screen.topWindowId() == win.id)
          {
             return;

=== modified file 'src/com/goldencode/p2j/ui/client/gui/driver/web/res/p2j.screen.js'
--- src/com/goldencode/p2j/ui/client/gui/driver/web/res/p2j.screen.js	2015-09-13 22:51:40 +0000
+++ src/com/goldencode/p2j/ui/client/gui/driver/web/res/p2j.screen.js	2015-09-15 15:54:41 +0000
@@ -160,6 +160,8 @@
       options.width  = options.width || 400;
       options.height = options.width || 600;
       options.style  = options.style || { };
+      // to make a window can be focused
+      options.tabIndex = options.tabIndex || 1;
       
       // this must always be set so that the canvas element is removed from the normal layout
       // processing of the document