diff --git a/templates/templates.cpp b/templates/templates.cpp
index 011266b..047723d 100755
--- a/templates/templates.cpp
+++ b/templates/templates.cpp
@@ -398,6 +398,7 @@ void Templates::CreateFunctions()
 	ezc_functions.Insert("winix_function",            winix_function);
 	ezc_functions.Insert("winix_function_is",         winix_function_is);
 	ezc_functions.Insert("winix_function_param_is",   winix_function_param_is);
+	ezc_functions.Insert("winix_function_param_is_not",winix_function_param_is_not);
 	ezc_functions.Insert("winix_function_param_value",winix_function_param_value);
 	ezc_functions.Insert("winix_has_plugin",          winix_has_plugin);
 	ezc_functions.Insert("winix_loadavg_now",         winix_loadavg_now);
diff --git a/templates/templates.h b/templates/templates.h
index 86a9918..e62add4 100755
--- a/templates/templates.h
+++ b/templates/templates.h
@@ -330,6 +330,7 @@ namespace TemplatesFunctions
 	void winix_function(Info & i);
 	void winix_function_is(Info & i);
 	void winix_function_param_is(Info & i);
+	void winix_function_param_is_not(Info & i);
 	void winix_function_param_value(Info & i);
 	void winix_has_plugin(Info & i);
 	void winix_loadavg_now(Info & i);
diff --git a/templates/winix.cpp b/templates/winix.cpp
index 2d0b829..f99729f 100755
--- a/templates/winix.cpp
+++ b/templates/winix.cpp
@@ -65,11 +65,18 @@ void winix_function_param_is(Info & i)
 }
 
 
+void winix_function_param_is_not(Info & i)
+{
+	i.res = !cur->request->IsParam(i.par);
+}
+
+
 void winix_function_param_value(Info & i)
 {
 	i.out << cur->request->ParamValue(i.par);
 }
 
+
 void winix_has_plugin(Info & i)
 {
 size_t exist = 0;