function checkThem(persData){
    for (i=0; i < 5; i++){
      var e = persData.elements[i]
      if (e.type == "text" && (e.value == null || e.value == "")){
        msg = "You did not enter your " + e.name
        if (e.name == "email"){msg += " address"}
        alert(msg)
        return false;
      }
    }
    if (persData.quest.value.length > 1000){ 
       alert("Question too long"); 
       return false;
    }
    return true;
  }

  function isEmpty(field){
    if (field.type == "text" && (field.value == null || field.value == "")){
      alert("Please enter your " + field.name)
      field.focus()
      field.select()
      return true
    }
    return false
  }

  function isPosInteger(field){
    if (isEmpty(field)){return}
    for (var i = 0; i < field.value.length; i++){
      var oneChar = field.value.charAt(i)
      if (oneChar < "0" || oneChar > "9"){
         alert("Illegal ZIP code: " + field.value)
         field.focus()
         field.select()
      }
    }
    return true
  }