// JavaScript Document

    //initial zoom value
    var image_zoom_size = "medium";

    //get the stars of a hotel as images
    function getStarsAsImages(stars){

    //image path for the star image
    imagePath = "<img src=\"http://www.valgardena-web.com/val_gardena/images/val_gardena_imgs/hotel_star.gif\">";
    retval = "";
    
      for (var i = 0; i < stars; i++){
        retval = retval.concat(imagePath);
      }
      return retval;
    }
    
    //toogle accomodation groups
    function toggleGroup(type) {
      for (var i = 0; i < markerGroups[type].length; i++) {
        var marker = markerGroups[type][i];
        if (marker.isHidden()) {
          marker.show();
        } else {
          marker.hide();
        }
      }
    }

    //set the zoom size of clicked images
    function setZoomSize(size){
      image_zoom_size = size;   
    }

    //zoom a clicked image and load it into a slimbox
    function imageZoom(filename, description){
    
    
      if(description == "null"){
        description = " ";
      }

      var path = "http://www.dolomites-web.com/map/fotos/" + image_zoom_size + "/" + filename;
      Slimbox.open(path, description);
      return false;
}