function isReady(form) {
  // is address element a real email address?
  if (isEmail(form.subscriber_email) == false) { 
    alert("Please enter your e-mail address.");
    form.subscriber_email.focus();
    return false;
  }
  return true;
}     
     
	// Check for email address: look for [@] and [.] 
function isEmail(elm) {
  if (elm.value.indexOf("@") + "" != "-1" && 
      elm.value.indexOf(".") + "" != "-1" && 
      elm.value != "")  {
  return true;
  } else { 
    return false;
  }
}

function clearField(field) {
		if (field.value == field.defaultValue) {
 		field.value="";
		}
}
	
function checkField(field) {
		if (field.value=="") {
 		field.value = field.defaultValue;
  }
}

var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));
/*var pageTracker = _gat._getTracker("UA-131856-1");
pageTracker._initData();
pageTracker._trackPageview();*/