function formCheck(formobj){
  // Enter name of mandatory fields
//  var fieldRequired = Array("realname","email","example");

  // Enter field description to appear in the dialog box
//  var fieldDescription = Array("Name","Email","Example Field");

  // dialog message
  var alertMsg = "Please complete the following required fields:\n";

  var l_Msg = alertMsg.length;

  for (var i = 0; i < fieldRequired.length; i++){
    var obj = formobj.elements[fieldRequired[i]];

    if (obj){
      switch(obj.type){
        case "select-one":
          if (obj.options[obj.selectedIndex].text == ""){
            alertMsg += " - " + fieldDescription[i] + "\n";
          }
        break;
        case "select-multiple":
        case "select":
          if (obj.selectedIndex == 0){
            alertMsg += " - " + fieldDescription[i] + "\n";
          }
        break;
        case "file":
        case "text":
        case "password":
        case "textarea":
          if (fieldRequired[i] == 'email' && !obj.value.match(/^[a-zA-Z0-9\._\-]*@[a-zA-Z0-9\.\-]*\.[a-zA-Z]{2,6}(\.[a-zA-Z]{2,4})?$/)) {
            alertMsg += " - " + fieldDescription[i] + "\n";
          } else if (obj.value == "" || obj.value == null){
            alertMsg += " - " + fieldDescription[i] + "\n";
          }
        break;
        case "checkbox":
          if (obj.checked == false){
            alertMsg += " - " + fieldDescription[i] + "\n";
          }
        break;
        default:
      }

      if (obj.type == undefined){
        var blnchecked = false;

        for (var j = 0; j < obj.length; j++){
          if (obj[j].checked){
            blnchecked = true;
          }
        }

        if (!blnchecked){
          alertMsg += " - " + fieldDescription[i] + "\n";
        }
      }
    }
  }

  if (alertMsg.length == l_Msg){
    return true;
  } else {
    alert(alertMsg);
    return false;
  }
}