var context_url = 'http://www.kompetenznetze.de/netzwerke/bionik_biomimetik';
var map;
var google_street;

function togglePortlet(e, id){
	if ( !e ) {
	   var e = window.event;
	}
	e.cancelBubble = true;
    if (e.stopPropagation) e.stopPropagation();
    if (e.preventDefault) e.preventDefault();
    else e.returnValue = false;
    var ulEle = document.getElementById(id);
    if (e.target) var target = e.target;
    else var target = e.srcElement;
    if (ulEle.style.display == 'none'){
        ulEle.style.display = 'block';
        target.src = 'arrowBottom.gif';
    }else{
        ulEle.style.display = 'none';
        target.src = 'arrowTop.gif';
    }
}

function kkZoomTo(e){
    if (e.value){
    var floats = e.value.split(",")
    var extent = new OpenLayers.Bounds(parseFloat(floats[0]), parseFloat(floats[1]), parseFloat(floats[2]), parseFloat(floats[3]));
    this.map.zoomToExtent(extent);}
    else(this.map.zoomToMaxExtent());
}
function mapContents() 
{
  //var bounds = new OpenLayers.Bounds(4.6, 46.2, 16.2, 55.2);
  // var imageExtent = new OpenLayers.Bounds(2.66389, 40.0025, 18.386667, 56.024167);
  var imageExtent = bounds = new OpenLayers.Bounds(5.725, 47.04556, 15.0933, 55.06556);
  
  var imageSize = new OpenLayers.Size(732, 650);
  map = new OpenLayers.Map('map',
    {maxExtent: bounds}
    );
  
  var googleKey = 'ABQIAAAA19AW7-6q1ZvcchLLsv16oBTeQa61hzeskK2Tc-bMtyg5gWwMhBSLmpfLOyPAa74KY9j6KdO9gYGFHw';
  var base = new OpenLayers.Layer.Image("Overview", 'D_regionen_merge.png',

                imageExtent,
                imageSize,
                {animate:false,type:'png'}
                );
  base.setIsBaseLayer(true);
  base.setVisibility(true);
  map.addLayer(base);
/*
  var baseStreet = new OpenLayers.Layer.Image("Fluesse", 'DE_732px.png',
                imageExtent,
                imageSize,
                {animate:false,type:'image/png', transparent: "true"}
                );
  baseStreet.setIsBaseLayer(false);
  baseStreet.setVisibility(true);
  baseStreet.setOpacity(0.5);
  map.addLayer(baseStreet);
  var baseStreet = new OpenLayers.Layer.Image("Staedte", 'D_staedte.png',
                imageExtent,
                imageSize,
                {animate:true,type:'image/png', transparent: "true"}
                );
  baseStreet.setIsBaseLayer(false);
  baseStreet.setVisibility(false);
  baseStreet.setOpacity(0.5);
  map.addLayer(baseStreet);
  var baseStreet = new OpenLayers.Layer.Image("Strassen", 'D_strassen.png',
                imageExtent,
                imageSize,
                {animate:true,type:'image/png', transparent: "true"}
                );
  baseStreet.setIsBaseLayer(false);
  baseStreet.setVisibility(false);
  baseStreet.setOpacity(0.5);
  map.addLayer(baseStreet);
  var baseStreet = new OpenLayers.Layer.Image("Regionen", 'D_regionen.png',
                imageExtent,
                imageSize,
                {animate:true,type:'image/png', transparent: "true"}
                );
  baseStreet.setIsBaseLayer(false);
  baseStreet.setVisibility(false);
  baseStreet.setOpacity(0.5);
  map.addLayer(baseStreet);
*/
  if (googleKey!=''){
    //this.google_street = new OpenLayers.Layer.Google( "Google Street Map", {type: G_NORMAL_MAP, 'maxZoomLevel':7} );
    //this.google_street.setVisibility(false);
    //this.google_street.setIsBaseLayer(true);
    //map.addLayers([this.google_street]);
  }
  
  var overview = new OpenLayers.Layer.Image( 'Overview',
                                'DE_map-overview.png',
                                imageExtent,
                                new OpenLayers.Size(80, 110), {});
  var options = {
        layers: [overview],
        size: new OpenLayers.Size(140,110)
        };
  var overviewMap = new OpenLayers.Control.OverviewMap(options);
  map.addControl(overviewMap);
  overviewMap.maximizeControl();
  var feed_title = unescape('Partner');
  var feed = context_url + '/kk_orgrss?';
  var rss = new OpenLayers.Layer.GeoRSS(feed_title, feed);
  rss.setVisibility(true);
  map.addLayer(rss);
  
  map.addControl(new OpenLayers.Control.MousePosition());
  map.addControl(new OpenLayers.Control.LayerSwitcher({'div':OpenLayers.Util.getElement('kkLayerSwitcher')}));
  map.addControl(new OpenLayers.Control.KeyboardDefaults());
  map.addControl(new OpenLayers.Control.Scale());
  //map.setOptions({restrictedExtent: bounds});
  map.zoomToMaxExtent();
}