Index: src/django_gheat/website/static/heatmap_extensions.js
===================================================================
--- src/django_gheat/website/static/heatmap_extensions.js	(revision 9218)
+++ src/django_gheat/website/static/heatmap_extensions.js	(revision 9219)
@@ -58,8 +58,14 @@
   var formstart = '<form method="get" action="">';
   var formend = '<input type="button" value="Add filter" onClick="addFilter()"/></form>';
+  var layername = '<input type="text" id="lname" name="lname" size="10"/> Layername<br />';
+  var colour = '<input type="text" id="colour" name="colour" size="10"/> Colour<br />';
+  var user = '<select id="user" style="width:104px"><option></option></select> User<br />';
+var dataset = '<select id="dataset" style="width:104px"><option></option></select> Dataset<br />';
+var node = '<select id="node" style="width:104px"><option></option></select> Node<br />';
 
   document.getElementById('filter_list').innerHTML+=formstart;
-
-  var filters = new Array('user', 'dataset');
+  document.getElementById('filter_list').innerHTML+=user;
+
+  var filters = new Array('user');
   for (var i=0; i<filters.length; i++) {
     get_json(filters[i]);
@@ -80,10 +86,9 @@
 function set_filter(filter, responseText) {
   json=eval('(' + responseText + ')');
-  var options = '<select id=' + filter + ' style="width:104px"><option></option>';
+  var options = '';
   for (var i=0; i<json.length; i++){
     options += '<option>' + json[i].fields.naam + '</option>';
   }
-  options += '</select> ' + filter + '<br />';
-  document.getElementById('filter_list').innerHTML+=options;
+  document.getElementById('user').innerHTML+=options;
 }