diff --git a/searx/static/oscar/js/searx.min.js b/searx/static/oscar/js/searx.min.js
index 0ddef2e61..2fba71063 100644
--- a/searx/static/oscar/js/searx.min.js
+++ b/searx/static/oscar/js/searx.min.js
@@ -1,2 +1,2 @@
-/*! oscar/searx.min.js | 30-11-2014 | https://github.com/asciimoo/searx */
-requirejs.config({baseUrl:"./static/oscar/js",paths:{app:"../app"}}),searx.autocompleter&&(searx.searchResults=new Bloodhound({datumTokenizer:Bloodhound.tokenizers.obj.whitespace("value"),queryTokenizer:Bloodhound.tokenizers.whitespace,remote:"/autocompleter?q=%QUERY"}),searx.searchResults.initialize()),$(document).ready(function(){searx.autocompleter&&$("#q").typeahead(null,{name:"search-results",displayKey:function(a){return a},source:searx.searchResults.ttAdapter()})}),$(document).ready(function(){$("#q.autofocus").focus(),$(".select-all-on-click").click(function(){$(this).select()}),$(".btn-collapse").click(function(){var a=$(this).data("btn-text-collapsed"),b=$(this).data("btn-text-not-collapsed");""!==a&&""!==b&&(new_html=$(this).hasClass("collapsed")?$(this).html().replace(a,b):$(this).html().replace(b,a),$(this).html(new_html))}),$(".btn-toggle .btn").click(function(){var a="btn-"+$(this).data("btn-class"),b=$(this).data("btn-label-default"),c=$(this).data("btn-label-toggled");""!==c&&(new_html=$(this).hasClass("btn-default")?$(this).html().replace(b,c):$(this).html().replace(c,b),$(this).html(new_html)),$(this).toggleClass(a),$(this).toggleClass("btn-default")})}),$(document).ready(function(){$(".searx_overpass_request").on("click",function(a){var b="https://overpass-api.de/api/interpreter?data=",c=b+"[out:json][timeout:25];(",d=");out meta;",e=$(this).data("osm-id"),f=$(this).data("osm-type"),g=$(this).data("result-table"),h="#"+$(this).data("result-table-loadicon"),i=["addr:city","addr:country","addr:housenumber","addr:postcode","addr:street"];if(e&&f&&g){g="#"+g;var j=null;switch(f){case"node":j=c+"node("+e+");"+d;break;case"way":j=c+"way("+e+");"+d;break;case"relation":j=c+"relation("+e+");"+d}if(j){$.ajax(j).done(function(a){if(a&&a.elements&&a.elements[0]){var b=a.elements[0],c=$(g).html();for(var d in b.tags)if(null===b.tags.name||-1==i.indexOf(d)){switch(c+="<tr><td>"+d+"</td><td>",d){case"phone":case"fax":c+='<a href="tel:'+b.tags[d].replace(/ /g,"")+'">'+b.tags[d]+"</a>";break;case"email":c+='<a href="mailto:'+b.tags[d]+'">'+b.tags[d]+"</a>";break;case"website":case"url":c+='<a href="'+b.tags[d]+'">'+b.tags[d]+"</a>";break;case"wikidata":c+='<a href="https://www.wikidata.org/wiki/'+b.tags[d]+'">'+b.tags[d]+"</a>";break;case"wikipedia":if(-1!=b.tags[d].indexOf(":")){c+='<a href="https://'+b.tags[d].substring(0,b.tags[d].indexOf(":"))+".wikipedia.org/wiki/"+b.tags[d].substring(b.tags[d].indexOf(":")+1)+'">'+b.tags[d]+"</a>";break}default:c+=b.tags[d]}c+="</td></tr>"}$(g).html(c),$(g).removeClass("hidden"),$(h).addClass("hidden")}}).fail(function(){$(h).html($(h).html()+'<p class="text-muted">could not load data!</p>')})}}$(this).off(a)}),$(".searx_init_map").on("click",function(a){var b=$(this).data("leaflet-target"),c=$(this).data("map-lon"),d=$(this).data("map-lat"),e=$(this).data("map-zoom"),f=$(this).data("map-boundingbox"),g=$(this).data("map-geojson");require(["leaflet-0.7.3.min"],function(){f&&(southWest=L.latLng(f[0],f[2]),northEast=L.latLng(f[1],f[3]),map_bounds=L.latLngBounds(southWest,northEast)),L.Icon.Default.imagePath="./static/oscar/img/map";{var a=L.map(b),h="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png",i='Map data © <a href="https://openstreetmap.org">OpenStreetMap</a> contributors',j=new L.TileLayer(h,{minZoom:1,maxZoom:19,attribution:i}),k="http://otile{s}.mqcdn.com/tiles/1.0.0/map/{z}/{x}/{y}.jpg",l='Map data © <a href="https://openstreetmap.org">OpenStreetMap</a> contributors | Tiles Courtesy of <a href="http://www.mapquest.com/" target="_blank">MapQuest</a> <img src="http://developer.mapquest.com/content/osm/mq_logo.png">',m=new L.TileLayer(k,{minZoom:1,maxZoom:18,subdomains:"1234",attribution:l}),n="http://otile{s}.mqcdn.com/tiles/1.0.0/sat/{z}/{x}/{y}.jpg",o='Map data © <a href="https://openstreetmap.org">OpenStreetMap</a> contributors | Tiles Courtesy of <a href="http://www.mapquest.com/" target="_blank">MapQuest</a> <img src="https://developer.mapquest.com/content/osm/mq_logo.png"> | Portions Courtesy NASA/JPL-Caltech and U.S. Depart. of Agriculture, Farm Service Agency';new L.TileLayer(n,{minZoom:1,maxZoom:11,subdomains:"1234",attribution:o})}map_bounds?setTimeout(function(){a.fitBounds(map_bounds,{maxZoom:17})},0):c&&d&&(e?a.setView(new L.LatLng(d,c),e):a.setView(new L.LatLng(d,c),8)),a.addLayer(m);var p={"OSM Mapnik":j,MapQuest:m};L.control.layers(p).addTo(a),g&&L.geoJson(g).addTo(a)}),$(this).off(a)})});
\ No newline at end of file
+/*! oscar/searx.min.js | 19-12-2014 | https://github.com/asciimoo/searx */
+requirejs.config({baseUrl:"./static/oscar/js",paths:{app:"../app"}}),searx.autocompleter&&(searx.searchResults=new Bloodhound({datumTokenizer:Bloodhound.tokenizers.obj.whitespace("value"),queryTokenizer:Bloodhound.tokenizers.whitespace,remote:"/autocompleter?q=%QUERY"}),searx.searchResults.initialize()),$(document).ready(function(){searx.autocompleter&&$("#q").typeahead(null,{name:"search-results",displayKey:function(a){return a},source:searx.searchResults.ttAdapter()})}),$(document).ready(function(){$("#q.autofocus").focus(),$(".select-all-on-click").click(function(){$(this).select()}),$(".btn-collapse").click(function(){var a=$(this).data("btn-text-collapsed"),b=$(this).data("btn-text-not-collapsed");""!==a&&""!==b&&(new_html=$(this).hasClass("collapsed")?$(this).html().replace(a,b):$(this).html().replace(b,a),$(this).html(new_html))}),$(".btn-toggle .btn").click(function(){var a="btn-"+$(this).data("btn-class"),b=$(this).data("btn-label-default"),c=$(this).data("btn-label-toggled");""!==c&&(new_html=$(this).hasClass("btn-default")?$(this).html().replace(b,c):$(this).html().replace(c,b),$(this).html(new_html)),$(this).toggleClass(a),$(this).toggleClass("btn-default")}),$(".btn-sm").dblclick(function(){var a="btn-"+$(this).data("btn-class");$(this).hasClass("btn-default")?($(".btn-sm > input").attr("checked","checked"),$(".btn-sm > input").prop("checked",!0),$(".btn-sm").addClass(a),$(".btn-sm").addClass("active"),$(".btn-sm").removeClass("btn-default")):($(".btn-sm > input").attr("checked",""),$(".btn-sm > input").removeAttr("checked"),$(".btn-sm > input").checked=!1,$(".btn-sm").removeClass(a),$(".btn-sm").removeClass("active"),$(".btn-sm").addClass("btn-default"))})}),$(document).ready(function(){$(".searx_overpass_request").on("click",function(a){var b="https://overpass-api.de/api/interpreter?data=",c=b+"[out:json][timeout:25];(",d=");out meta;",e=$(this).data("osm-id"),f=$(this).data("osm-type"),g=$(this).data("result-table"),h="#"+$(this).data("result-table-loadicon"),i=["addr:city","addr:country","addr:housenumber","addr:postcode","addr:street"];if(e&&f&&g){g="#"+g;var j=null;switch(f){case"node":j=c+"node("+e+");"+d;break;case"way":j=c+"way("+e+");"+d;break;case"relation":j=c+"relation("+e+");"+d}if(j){$.ajax(j).done(function(a){if(a&&a.elements&&a.elements[0]){var b=a.elements[0],c=$(g).html();for(var d in b.tags)if(null===b.tags.name||-1==i.indexOf(d)){switch(c+="<tr><td>"+d+"</td><td>",d){case"phone":case"fax":c+='<a href="tel:'+b.tags[d].replace(/ /g,"")+'">'+b.tags[d]+"</a>";break;case"email":c+='<a href="mailto:'+b.tags[d]+'">'+b.tags[d]+"</a>";break;case"website":case"url":c+='<a href="'+b.tags[d]+'">'+b.tags[d]+"</a>";break;case"wikidata":c+='<a href="https://www.wikidata.org/wiki/'+b.tags[d]+'">'+b.tags[d]+"</a>";break;case"wikipedia":if(-1!=b.tags[d].indexOf(":")){c+='<a href="https://'+b.tags[d].substring(0,b.tags[d].indexOf(":"))+".wikipedia.org/wiki/"+b.tags[d].substring(b.tags[d].indexOf(":")+1)+'">'+b.tags[d]+"</a>";break}default:c+=b.tags[d]}c+="</td></tr>"}$(g).html(c),$(g).removeClass("hidden"),$(h).addClass("hidden")}}).fail(function(){$(h).html($(h).html()+'<p class="text-muted">could not load data!</p>')})}}$(this).off(a)}),$(".searx_init_map").on("click",function(a){var b=$(this).data("leaflet-target"),c=$(this).data("map-lon"),d=$(this).data("map-lat"),e=$(this).data("map-zoom"),f=$(this).data("map-boundingbox"),g=$(this).data("map-geojson");require(["leaflet-0.7.3.min"],function(){f&&(southWest=L.latLng(f[0],f[2]),northEast=L.latLng(f[1],f[3]),map_bounds=L.latLngBounds(southWest,northEast)),L.Icon.Default.imagePath="./static/oscar/img/map";{var a=L.map(b),h="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png",i='Map data © <a href="https://openstreetmap.org">OpenStreetMap</a> contributors',j=new L.TileLayer(h,{minZoom:1,maxZoom:19,attribution:i}),k="http://otile{s}.mqcdn.com/tiles/1.0.0/map/{z}/{x}/{y}.jpg",l='Map data © <a href="https://openstreetmap.org">OpenStreetMap</a> contributors | Tiles Courtesy of <a href="http://www.mapquest.com/" target="_blank">MapQuest</a> <img src="http://developer.mapquest.com/content/osm/mq_logo.png">',m=new L.TileLayer(k,{minZoom:1,maxZoom:18,subdomains:"1234",attribution:l}),n="http://otile{s}.mqcdn.com/tiles/1.0.0/sat/{z}/{x}/{y}.jpg",o='Map data © <a href="https://openstreetmap.org">OpenStreetMap</a> contributors | Tiles Courtesy of <a href="http://www.mapquest.com/" target="_blank">MapQuest</a> <img src="https://developer.mapquest.com/content/osm/mq_logo.png"> | Portions Courtesy NASA/JPL-Caltech and U.S. Depart. of Agriculture, Farm Service Agency';new L.TileLayer(n,{minZoom:1,maxZoom:11,subdomains:"1234",attribution:o})}map_bounds?setTimeout(function(){a.fitBounds(map_bounds,{maxZoom:17})},0):c&&d&&(e?a.setView(new L.LatLng(d,c),e):a.setView(new L.LatLng(d,c),8)),a.addLayer(m);var p={"OSM Mapnik":j,MapQuest:m};L.control.layers(p).addTo(a),g&&L.geoJson(g).addTo(a)}),$(this).off(a)})});
\ No newline at end of file
diff --git a/searx/static/oscar/js/searx_src/element_modifiers.js b/searx/static/oscar/js/searx_src/element_modifiers.js
index 088bd7a46..dd45b77e0 100644
--- a/searx/static/oscar/js/searx_src/element_modifiers.js
+++ b/searx/static/oscar/js/searx_src/element_modifiers.js
@@ -63,4 +63,25 @@ $(document).ready(function(){
         $(this).toggleClass(btnClass);
         $(this).toggleClass('btn-default');
     });
+    
+    /**
+     * Select or deselect every categories on double clic
+     */
+    $(".btn-sm").dblclick(function() {
+    var btnClass = 'btn-' + $(this).data('btn-class'); // primary
+        if($(this).hasClass('btn-default')) {
+            $(".btn-sm > input").attr('checked', 'checked');
+            $(".btn-sm > input").prop("checked", true);
+            $(".btn-sm").addClass(btnClass);
+            $(".btn-sm").addClass('active');
+            $(".btn-sm").removeClass('btn-default');
+        } else {
+            $(".btn-sm > input").attr('checked', '');
+            $(".btn-sm > input").removeAttr('checked');
+            $(".btn-sm > input").checked = false;
+            $(".btn-sm").removeClass(btnClass);
+            $(".btn-sm").removeClass('active');
+            $(".btn-sm").addClass('btn-default');
+        }
+    });
 });