// Show parcel search form.
function showParcelSearch() {
   if (top.PostBackDone) {
      top.data_frame.location.href = "parcelSearch.aspx" + 
       "?govUser=" + top.GovUser +
       "&validUser=" + top.ValidUser;
   }
}
// Map Layers.
function showMapLayers() {
   if (top.PostBackDone) {
      top.showLayers();
   }
}
// Get map views.
function getMapViews() {
   if (top.PostBackDone) {
      top.getMapViews();
   }
}
// Show legend.
function showLegend() {
   if (top.PostBackDone) {
      var mf = top.main_frame;
      top.data_frame.location.href = "legend.aspx" + 
       "?mapImageWidth=" + mf.MapImageWidth +
       "&mapImageHeight=" + mf.MapImageHeight +
       "&xMinMap=" + mf.XMinMap +
       "&yMinMap=" + mf.YMinMap +
       "&xMaxMap=" + mf.XMaxMap +
       "&yMaxMap=" + mf.YMaxMap +
       "&layerIds=" + top.LayerIds +
       "&layersVisible=" + top.LayersVisible;
   }
}