//Check email make sure valid address then open window and pass form vars
function checkEmail(){
		var emailregex = /^[\w\_\-\.]+@[\w\_\-\.]+\.\w+$/;
          var emailresult = document.getElementById('emailFld').value.match(emailregex);
        var emailValue = document.getElementById('emailFld').value;
          if (emailresult == null)
          {
              alert("Your email address \'" + emailValue + "\' is not a correct email format.\n Please try again"
              );
			  document.getElementById('emailFld').value = "";
			  document.getElementById('emailFld').focus();
              return false;
			  			  }
			  window.open('', 'newsletter', 'width=700,height=575,status=yes,resizable=yes,scrollbars=yes');
			  setTimeout('FormReset()',1000);
			  return true;
			  FormReset();
			  }

function FormReset(){
var frmField = document.getElementById('emailFld');
frmField.value = "Enter email address"; //Reset form
}