reset kw on filter

front/js/app.js

@@ -99,7 +99,7 @@ app.controller('main', function($scope,$http,$sce) {
 		$scope.mindate=undefined;
 		$scope.maxdate=undefined;
 		$scope.site=undefined;
-		$scope.kw=[];
+		$scope.selected_kw=[];
 		$scope.minweight="1";
 		$scope.title=undefined;
 		$scope.category="-1";