diff --git a/dist/netgis.min.js b/dist/netgis.min.js
index 6652fdd..346717d 100644
--- a/dist/netgis.min.js
+++ b/dist/netgis.min.js
@@ -10,7 +10,7 @@ netgis.Attribution=function(a){this.config=a;this.layers=this.client=null;this.i
 netgis.Attribution.prototype.attachTo=function(a){a.appendChild(this.container);a.addEventListener(netgis.Events.MAP_LAYER_TOGGLE,this.onMapLayerToggle.bind(this));a.addEventListener(netgis.Events.MAP_EDIT_LAYER_CHANGE,this.onEditLayerChange.bind(this))};netgis.Attribution.prototype.update=function(){var a="© "+this.items.join(", ");this.appendix&&(a+=", "+this.appendix);this.container.innerHTML=a};
 netgis.Attribution.prototype.add=function(a){for(var b=0;b<this.items.length;b++)if(this.items[b]===a)return;this.items.push(a);this.update()};netgis.Attribution.prototype.remove=function(a){for(var b=0;b<this.items.length;b++)if(this.items[b]===a){this.items.splice(b,1);break}this.update()};netgis.Attribution.prototype.onMapLayerToggle=function(a){a=a.detail;for(var b=this.config.layers,c=null,d=0;d<b.length;d++){var e=b[d];e.id===a.id&&(c=e.attribution)}c&&(a.on?this.add(c):this.remove(c))};
 netgis.Attribution.prototype.onContextUpdate=function(a){this.layers=[];for(var b=0;b<a.layers.length;b++){var c=a.layers[b];c.attribution&&0<c.attribution.length&&(this.layers[c.id]=c.attribution)}for(b=0;b<a.layers.length;b++)if(c=a.layers[b],c.active)this.onLayerShow({id:c.id})};netgis.Attribution.prototype.onLayerShow=function(a){if(a=this.layers[a.id]){for(var b=0;b<this.items.length;b++)if(this.items[b]===a)return;this.items.push(a);this.update()}};
-netgis.Attribution.prototype.onLayerHide=function(a){if(a=this.layers[a.id]){for(var b=0;b<this.items.length;b++)if(this.items[b]===a){this.items.splice(b,1);break}this.update()}};netgis.Attribution.prototype.onEditLayerChange=function(a){a=a.detail.geojson.area;for(var b=0;b<this.items.length;b++)if(-1<this.items[b].search("Zeichnungsfl\u00e4che: ")){this.items.splice(b,1);break}this.appendix=a&&0<a?"<b>Zeichnungsfl\u00e4che: "+netgis.util.formatArea(a,!0)+"</b>":null;this.update()};netgis=netgis||{};netgis.Client=function(a,b){this.container=this.initContainer(a);this.config=b;netgis.util.isString(b)?(this.showLoader(!0),netgis.util.request(b,this.onConfigResponse.bind(this))):this.init(a,b)};
+netgis.Attribution.prototype.onLayerHide=function(a){if(a=this.layers[a.id]){for(var b=0;b<this.items.length;b++)if(this.items[b]===a){this.items.splice(b,1);break}this.update()}};netgis.Attribution.prototype.onEditLayerChange=function(a){a=a.detail.geojson.area;for(var b=0;b<this.items.length;b++)if(-1<this.items[b].search("Zeichnungsfl\u00e4che: ")){this.items.splice(b,1);break}this.appendix=a&&0<a?"<b>Zeichnungsfl\u00e4che: "+netgis.util.formatArea(a,!0)+"</b>":null;this.update()};netgis=netgis||{};netgis.Client=function(a,b){this.container=this.initContainer(a);this.config=b;netgis.util.isString(b)?(this.showLoader(!0),netgis.util.request(b,this.onConfigResponse.bind(this))):this.init(this.container,b)};
 netgis.Client.prototype.init=function(a,b){this.config=b;this.logEvents=!1;this.initParams(b);this.initConfig(b);this.initElements(a);this.initModules(b);this.initEvents();this.initOutput(b);a=new netgis.ContextMenu;a.attachTo(this.container);this.modules.contextmenu=a;this.popup=new netgis.Popup;this.popup.attachTo(this.container)};netgis.Client.prototype.initContainer=function(a){netgis.util.isString(a)&&(a=document.getElementById(a));a.classList.add("netgis-client","netgis-font");return a};
 netgis.Client.prototype.initParams=function(a){var b=window.location.search.substr(1);b=b.split("&");this.params={};for(var c=0;c<b.length;c++){var d=b[c].split("="),e=d[0].toLowerCase();d=d[1];e&&""!==e&&(this.params[e]=d)}for(e in this.params)switch(d=this.params[e],e){case "wmc_id":a.wmc&&(a.wmc.id=d)}};netgis.Client.prototype.initConfig=function(a){a.wmc&&a.wmc.url&&this.requestContextWMC(a.wmc.url,a.wmc.id);a.ows&&a.ows.url&&this.requestContextOWS(a.ows.url)};
 netgis.Client.prototype.initElements=function(a){if(a.hasAttribute("data-lon")&&a.hasAttribute("data-lat")){var b=Number.parseFloat(a.getAttribute("data-lon")),c=Number.parseFloat(a.getAttribute("data-lat"));this.config.map.center_lonlat=[b,c]}a.hasAttribute("data-zoom")&&(b=Number.parseFloat(a.getAttribute("data-zoom")),this.config.map.zoom=b);a.hasAttribute("data-bounds")&&(b=a.getAttribute("data-bounds"),this.config.tools.bounds=b);a.hasAttribute("data-editable")&&(b="true"===a.getAttribute("data-editable"),