function createiframe() 
  {
  
          var iframe = document.createElement("iframe");
          iframe.style.border = "0px";
          iframe.style.width = "0px";
          iframe.style.height = "0px";
                  document.body.appendChild(iframe);
                  
  }
  
  function initialize() 
  {
      var hiddenForm = document.getElementById('displayinfo');
      if(hiddenForm != null) 
      { 
         parent.currentframe.document.getElementById('information').innerHTML = hiddenForm.innerHTML; 
      }
  }
  function retrieveInformation() 
  {
          
      var city = document.getElementById("selectCity").value;
          var type = "";
          var input = document.getElementsByTagName("input");
          for (var i=0; i < input.length; i++)
          { 
              if (input.item(i).checked == true)
              {
                  type = input.item(i).value;
              }
          }
          top.frames[1].location = "retrieveHotelInformation2.aspx?city=" + city + "&type=" + type;
  }
  
  function appendDiv() {
                  //var div=doc.createElement("div");
                  //div.id = "displayinfo";        
                  //doc.body.appendChild(div); 
  }