1 files changed, 23 insertions, 4 deletions
diff --git a/admin/themes/default/js/doubleSlider.js b/admin/themes/default/js/doubleSlider.js
index 490331feb..c03c3d52f 100644
--- a/admin/themes/default/js/doubleSlider.js
+++ b/admin/themes/default/js/doubleSlider.js
@@ -20,14 +20,33 @@ $.fn.pwgDoubleSlider = function(options) {
     ));
   }
 
+  function findClosest(array, value) {
+    var closest = null, index = -1;
+    $.each(array, function(i, v){
+      if (closest == null || Math.abs(v - value) < Math.abs(closest - value)) {
+        closest = v;
+        index = i;
+      }
+    });
+    return index;
+  }
+
+  var values = [
+    options.values.indexOf(options.selected.min),
+    options.values.indexOf(options.selected.max)
+  ];
+  if (values[0] == -1) {
+    values[0] = findClosest(options.values, options.selected.min);
+  }
+  if (values[1] == -1) {
+    values[1] = findClosest(options.values, options.selected.max);
+  }
+
   var slider = this.find('.slider-slider').slider({
     range: true,
     min: 0,
     max: options.values.length - 1,
-    values: [
-      options.values.indexOf(options.selected.min),
-      options.values.indexOf(options.selected.max)
-    ],
+    values: values,
     slide: onChange,
     change: onChange
   });