+<script type="text/javascript">
+<!--
+function check_prerequisites() {
+ if (!$('#email,#subject,#message').filter(function(idx, elt) { return $(elt).val() === ""; }).size())
+ return true;
+
+ alert(kivi.t8('The recipient, subject or body is missing.'));
+ return false;
+}
+-->
+</script>