diff -r 27ed26ca8623 -r 02a40997d8cb src/ztfy/myams/resources/js/ext/bootstrap-slider-2.0.0.js
--- a/src/ztfy/myams/resources/js/ext/bootstrap-slider-2.0.0.js	Fri May 12 14:03:02 2017 +0200
+++ b/src/ztfy/myams/resources/js/ext/bootstrap-slider-2.0.0.js	Thu Oct 26 14:45:34 2017 +0200
@@ -105,7 +105,7 @@
 		} else {
 			this.value = [ Math.max(this.min, Math.min(this.max, this.value))];
 			this.handle2.addClass('hide');
-			if (this.selection == 'after') {
+			if (this.selection === 'after') {
 				this.value[1] = this.max;
 			} else {
 				this.value[1] = this.min;
@@ -169,7 +169,7 @@
 		layout: function(){
 			this.handle1Stype[this.stylePos] = this.percentage[0]+'%';
 			this.handle2Stype[this.stylePos] = this.percentage[1]+'%';
-			if (this.orientation == 'vertical') {
+			if (this.orientation === 'vertical') {
 				this.selectionElStyle.top = Math.min(this.percentage[0], this.percentage[1]) +'%';
 				this.selectionElStyle.height = Math.abs(this.percentage[0] - this.percentage[1]) +'%';
 			} else {
@@ -339,7 +339,7 @@
 			} else {
 				this.value = [ Math.max(this.min, Math.min(this.max, this.value))];
 				this.handle2.addClass('hide');
-				if (this.selection == 'after') {
+				if (this.selection === 'after') {
 					this.value[1] = this.max;
 				} else {
 					this.value[1] = this.min;
@@ -363,7 +363,7 @@
 			if (!data)  {
 				$this.data('slider', (data = new Slider(this, $.extend({}, $.fn.slider.defaults,options))));
 			}
-			if (typeof option == 'string') {
+			if (typeof option === 'string') {
 				data[option](val);
 			}
 		});