function hsm_zoomin() {
  var macau = document.getElementById("hsm_macau");
  var prd = document.getElementById("hsm_prd");
  var zoomout = document.getElementById("hsm_zoomout");
  macau.style.display = "block";
  prd.style.display = "none";
  zoomout.style.display = "block";
  hsm_select_district('all');
}

function hsm_zoomout() {
  var macau = document.getElementById("hsm_macau");
  var prd = document.getElementById("hsm_prd");
  var zoomout = document.getElementById("hsm_zoomout");
  macau.style.display = "none";
  prd.style.display = "block";
  zoomout.style.display = "none";
  hsm_select_district('all');
}

function hsm_select_district(district) {
  var all = document.getElementById("hsm_district_all");
  var macau = document.getElementById("hsm_district_macau");
  var taipa = document.getElementById("hsm_district_taipa");
  var coloane = document.getElementById("hsm_district_coloane");
  var cotai = document.getElementById("hsm_district_cotai");
  var zhuhai = document.getElementById("hsm_district_zhuhai");
  eval(district + ".selected = true;");
  fade("hsm_district");
  
  //if(district != "all")
  //  document.getElementById("search-form").submit();
    
}