function validateForm()
{
var email = document.frmEmail.email_address.value;
var emailRegExp = /^([\w\.\-])+\@(([a-zA-Z0-9\-\[])+\.)+([a-zA-Z0-9\]]{2,4})+$/;
var regex = new RegExp(emailRegExp);
if (regex.test(email) == false)
	{
	alert("Please enter a valid email address");
	document.frmEmail.email_address.focus();
	return false;
	}
else
	{
	return true;
	}
}