rangeslider: update highlight on form reset. Fixes #5773 - Rangeslide…

…r layout breaks upon form reset.

js/widgets/forms/rangeslider.js

@@ -67,10 +67,20 @@ define( [ "jquery", "../../jquery.mobile.core", "../../jquery.mobile.widget", ".
 			this._on({
 				"mousedown":"_change"
 			});
+			this._on( this.element.closest( "form" ), {
+				"reset":"_handleReset"
+			});
 			this._on( firstHandle, {
 				"vmousedown": "_dragFirstHandle"
 			});
 		},
+		_handleReset: function(){
+			var self = this;
+			//we must wait for the stack to unwind before updateing other wise sliders will not have updated yet
+			setTimeout( function(){
+				self._updateHighlight();
+			},0);
+		},
 
 		_dragFirstHandle: function( event ) {
 			//if the first handle is dragged send the event to the first slider