diff --git a/README.md b/README.md
index cc8b8db..c850b94 100644
--- a/README.md
+++ b/README.md
@@ -181,4 +181,10 @@ git submodule add https://git.seemsleg.it/ef/cssjs-func-lib cssjs
 		console.error( error );
 	} );
 </script>
+```
+
+## mailto
+```
+<span class="mailto">mail@<span style="display:none;">no-thx-</span>server.de</span
+<script src="/cssjs/mailto.js"></script>
 ```
\ No newline at end of file
diff --git a/mailto.js b/mailto.js
new file mode 100644
index 0000000..626dba4
--- /dev/null
+++ b/mailto.js
@@ -0,0 +1,3 @@
+mail = $('span.mailto').html();
+mail = mail.replace('<span style="display:none;">no-thx-</span>','');
+$('span.mailto').html('<a href="mailto:'+mail+'">'+ mail +'</a>');
\ No newline at end of file