//check browser
var browser = navigator.appName.toLowerCase();
var version = navigator.appVersion;
var verPos;
var isNS = (browser.indexOf("netscape") != -1) ? true : false;
var isIE = (browser.indexOf("internet explorer") != -1) ? true : false;
var isNS4 = false;

if (isNS) 
{  
  version = navigator.appVersion.substring(0,1);
  isNS4 = (isNS && (version == 4) ) ? true : false;
}
else if (isIE)
{	
  verPos = version.toLowerCase().indexOf("msie") + 5;
  version = version.substr(verPos,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 + "Off.gif";
}

function openWin( _src, _name, _width, _height) {
  var winUrl = "viewer.php?imgSrc=" + _src + "&imgTitle=" + _name;
  var winAttributes = "width=" + _width + ",height=" + _height;
  var popUp = window.open(winUrl,"newWin",winAttributes);
}

function popUp(_url, _width, _height) {
  var winAtt = "width=" + _width +",height=" + _height + ",scrollbars,toolbar";
  window.open(_url,"ccnow",winAtt)
}