Index: sections.html
===================================================================
--- sections.html	(revision 16)
+++ sections.html	(revision 17)
@@ -1,6 +1,18 @@
 <& "/contenido/components/header.msn" &>
 <& "/contenido/components/naviline.msn", sect_id => $owner->id &>
 
+<script type="text/javascript">
+<!--
+function set_create_button( oSelect, sBtnID ) {
+	if ( oSelect.value == '' ) {
+		$('#'+sBtnID).attr('disabled','disabled');
+	} else {
+		$('#'+sBtnID).removeAttr('disabled');
+	}
+}
+//-->
+</script>
+
 <table width="100%" cellspacing="0" cellpadding="0" border="0">
 <tr valign="top">
 <td width="35%">