/*
 * Copyright (c) 2004-2006 OIC Group, Inc.
 * Written and Designed by James Hunt
 *
 * This file is part of Exponent
 *
 * Exponent is free software; you can redistribute
 * it and/or modify it under the terms of the GNU
 * General Public License as published by the Free
 * Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * GPL: http://www.gnu.org/licenses/gpl.txt
 *
 */

g_rgName = new Array();

function trim(s) {
  while (s.charAt(0) == " ") {
    s = s.substr(1);
  }
  return s;
}

function registerRG(name) {
  g_rgName[g_rgName.length] = name;
}

function unregisterRG(name) {
  for (var x = 0; x < g_rgName.length; x++) {
    if (g_rgName[x] == name) {
      g_rgName = "";
    }
  }
}

function checkRG() {
  for (var x = 0; x < g_rgName.length; x++) {
    if (g_rgName[x] != "") {
      alert("Missing required selection for " + unescape(g_rgName[x]));
      return false;
    }
  }
  return true;
}

function checkRequired(locForm) {
  for (field in locForm.elements) {
    if (locForm.elements[field]) {
      if (locForm.elements[field].getAttribute) {
        s = locForm.elements[field].getAttribute("required");
        if (s != null) {
          val = trim(locForm.elements[field].value);
          s = unescape(s);
          //if ((s == val) || (val == "")) {
          //alert (locForm.elements[field].type);
          if (locForm.elements[field].type == 'checkbox') {
            if (!locForm.elements[field].checked) {
              locForm.elements[field].focus();
              alert(unescape(locForm.elements[field].getAttribute("caption")) + " is a required field.");
              return false;
            }
          } else {
            if (val == "") {
              locForm.elements[field].focus();
              alert(unescape(locForm.elements[field].getAttribute("caption")) + " is a required field.");
              return false;
            }
          }
        }
        if (locForm.elements[field].name == "checker" && locForm.elements[field].checked == true && locForm.elements[field].value != 0 ) {
          alert ("You must choose the correct answer in the anti-spam question to proceed");
          return false;
        }
      }
    }
  }

  if (!checkRG()) return false;
  return true;
}