Check if slider plugins are available

1 files changed, 2 insertions, 2 deletions

diff --git a/gmap_arcgis.js b/gmap_arcgis.js
index 4cd0fab..2fda599 100644
--- a/gmap_arcgis.js
+++ b/gmap_arcgis.js
@@ -566,7 +566,7 @@ function gmapArcgis(config) {
       var max   = (self.config.sliders[slider].max   != undefined) ? self.config.sliders[slider].max   : 1;
       var step  = (self.config.sliders[slider].step  != undefined) ? self.config.sliders[slider].step  : 1;
 
-      if (type == 'selectToUISlider') {
+      if (type == 'selectToUISlider' && jQuery.selectToUISlider) {
         jQuery(element).selectToUISlider({
           sliderOptions: {
             slide: function(event, ui) {
@@ -575,7 +575,7 @@ function gmapArcgis(config) {
           }
         }).hide();
       }
-      else {
+      else if (jQuery.slider) {
         // Max is the number of layers in the service
         jQuery(element).slider({
             value:   value,