censo-geocommons.js

var lookup = {
  "2001_v1" : 188914,
  "2001_v2" : 193305
}
$(function() {
	$("#censo, #vars").change(function() {
	  var year    = $("#censo option:selected").val();
	  var version = $("#vars option:selected").val();
	  var map_id = lookup[year + "_" + version];
	  console.log(map_id);
	  $("#map").html('<iframe id="geocommonsmap" src="http://geocommons.com/maps/' + map_id + '/embed" width="100%" height="300"></iframe></div>');
	});
});