function requiredFields(){

  var fields = new Array("name","email");
  var labels = new Array("Name","Email Address");

  for(j = 0; j < fields.length; j++){
    if(document.form1.elements[fields[j]].value == ""){
      alert("Please fill in the \"" + labels[j] + "\" field.");
      document.form1.elements[fields[j]].focus();
      return false;
      }
    }
  return true;
  }