google.load("search", "0");
SiteSearchDemo = function() {
  this.siteSearch = new google.search.WebSearch();
  this.siteSearch.setUserDefinedLabel("Resultados encontrados...");
  this.siteSearch.setUserDefinedClassSuffix("siteSearch");

  var searchOptions = new google.search.SearcherOptions();
  searchOptions.setExpandMode(GSearchControl.EXPAND_MODE_OPEN);

  this.searchControl = new google.search.SearchControl();
  this.searchControl.setResultSetSize(GSearch.SMALL_RESULTSET);
  this.searchControl.addSearcher(this.siteSearch, searchOptions);

  this.searchForm = document.getElementById("searchform");
  this.searchControl.draw(document.getElementById("searchcontrol"));
};

SiteSearchDemo.prototype.OnSubmit = function() {
  this.siteSearch.setSiteRestriction(this.searchForm["site"].value);
  this.searchControl.execute(this.searchForm["q"].value);
  return false;
};
google.setOnLoadCallback(function() { window["ss"] = new SiteSearchDemo(); });