diff --git a/Projects/WebGIM/GIM_data/bin/GIM_data.dll b/Projects/WebGIM/GIM_data/bin/GIM_data.dll
index 539c257..d7ce6a5 100644
Binary files a/Projects/WebGIM/GIM_data/bin/GIM_data.dll and b/Projects/WebGIM/GIM_data/bin/GIM_data.dll differ
diff --git a/Projects/WebGIM/GIM_data/obj/Alumat/GIM_data.dll b/Projects/WebGIM/GIM_data/obj/Alumat/GIM_data.dll
index 539c257..d7ce6a5 100644
Binary files a/Projects/WebGIM/GIM_data/obj/Alumat/GIM_data.dll and b/Projects/WebGIM/GIM_data/obj/Alumat/GIM_data.dll differ
diff --git a/Projects/WebGIM/GIM_site/WebUserControls/mod_filtraMtzProg.ascx.cs b/Projects/WebGIM/GIM_site/WebUserControls/mod_filtraMtzProg.ascx.cs
index 424ec11..eb7aac2 100644
--- a/Projects/WebGIM/GIM_site/WebUserControls/mod_filtraMtzProg.ascx.cs
+++ b/Projects/WebGIM/GIM_site/WebUserControls/mod_filtraMtzProg.ascx.cs
@@ -84,6 +84,7 @@ public partial class WebUserControls_mod_filtraMtzProg : ApplicationUserControl
         {
             memLayer.ML.emptySessionVal("idxImpianto_filt");
         }
+        memLayer.ML.emptySessionVal(string.Format("idxMacchina_filt"));
         // chiamo procedura che innalza l'evento
         raiseEvent();
     }
diff --git a/Projects/WebGIM/GIM_site/bin/GIM_data.dll b/Projects/WebGIM/GIM_site/bin/GIM_data.dll
index 539c257..d7ce6a5 100644
Binary files a/Projects/WebGIM/GIM_site/bin/GIM_data.dll and b/Projects/WebGIM/GIM_site/bin/GIM_data.dll differ
diff --git a/Projects/WebGIM/GIM_site/bin/GIM_site.dll b/Projects/WebGIM/GIM_site/bin/GIM_site.dll
index 16123e2..4396d5d 100644
Binary files a/Projects/WebGIM/GIM_site/bin/GIM_site.dll and b/Projects/WebGIM/GIM_site/bin/GIM_site.dll differ
diff --git a/Projects/WebGIM/GIM_site/bin/VersGen.dll b/Projects/WebGIM/GIM_site/bin/VersGen.dll
index 01d7ab0..0935b5d 100644
Binary files a/Projects/WebGIM/GIM_site/bin/VersGen.dll and b/Projects/WebGIM/GIM_site/bin/VersGen.dll differ
diff --git a/Projects/WebGIM/VersGen/bin/Release/VersGen.dll b/Projects/WebGIM/VersGen/bin/Release/VersGen.dll
index 01d7ab0..0935b5d 100644
Binary files a/Projects/WebGIM/VersGen/bin/Release/VersGen.dll and b/Projects/WebGIM/VersGen/bin/Release/VersGen.dll differ