text: 
  //<!--Script datepicker-->
  
  function validateForm()
  {
  var x=document.forms["index"]["start"].value;
  if (x===null || x==="")
    {
    alert("Please select an Arrival Date. (Click the calendar icon)");
    return false;
    }
  var y=document.forms["index"]["end"].value;
  if (y===null || y==="")
    {
    alert("Please select an Departure Date. (Click the calendar icon)");
    return false;
    }
  }