// JavaScript Document
function showBboxForm()
{
  if(true == document.getElementById("showBBoxForm").checked)
  {
    document.getElementById("searchBBOX").style.display = "block";

    var lonMin = document.getElementById("lonMin").value;
    var latMin = document.getElementById("latMin").value;
    var lonMax = document.getElementById("lonMax").value;
    var latMax = document.getElementById("latMax").value;
    
    var maxCoordinates = config.objects.mainMapWidget.model.getBoundingBox();
      
    if (maxCoordinates[0]!=lonMin && maxCoordinates[1]!=latMin && maxCoordinates[2]!=lonMax && maxCoordinates[3]!=latMax)
    {
      if (config.objects.setAoi.targetContext.aoiBoxLayer)
        config.objects.setAoi.targetContext.aoiBoxLayer.destroy();
      var bounds = new OpenLayers.Bounds(lonMin, latMin, lonMax, latMax);
      config.objects.setAoi.targetContext.aoiBoxLayer = new OpenLayers.Layer.Boxes('Boxes');
      config.objects.setAoi.targetContext.map.addLayer(config.objects.setAoi.targetContext.aoiBoxLayer);
      var box = new OpenLayers.Marker.Box(bounds);
      config.objects.setAoi.targetContext.aoiBoxLayer.addMarker(box);
    }
  }
  else
  {
    document.getElementById("searchBBOX").style.display = "none";
    if (config.objects.setAoi.targetContext.aoiBoxLayer) config.objects.setAoi.targetContext.aoiBoxLayer.destroy();
  }
}
  
function showYears()
{
  if(true == document.getElementById("showyears").checked)
    document.getElementById("yearsForm").style.display = "block";
  else document.getElementById("yearsForm").style.display = "none";
}