//check browser
var isIE = 0, isNS = 0, isNS4 = 0, isNS6plus = 0; browser="";
browser = navigator.appName;
version = navigator.appVersion;

if (browser.indexOf('Netscape') != -1) {
  if (version.substring(0,1) <= 4) isNS4 = 1;
  else isNS6plus = 1;
}
else isIE = 1;


//validate form elements
function validateFrm(arg_form, arg_dataType)
{
  var alphaNum = /[^a-zA-Z0-9]/;
  var alpha = /[^a-zA-Z]/;
  var numeric = /[0-9]/;
  var email = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9_\.])+\.)+([a-zA-Z0-9])+$/;
  var zipcode = /^[0-9]/;
}

function roll(_name, _src, _action) {
  if (_action == "over") document.images[_name].src = _src + "Over.gif";
  else document.images[_name].src = _src + "Out.gif";
}

function swap(_name, _src) {
  document.images[_name].src = _src;
}

function openWin(_url, _width, _height) {
  var winAttributes = "width=" + _width + ",height=" + _height;
  var popUp = window.open(_url,"newWin",winAttributes);
}