function validateForm()
{
	trimFields();
	if(obj.first_name.value == "")
	{
		alert("Enter your First Name");
		obj.first_name.focus();
		return
	}
	if(obj.last_name.value == "")
	{
		alert("Enter your Last Name");
		obj.last_name.focus();
		return
	}
	if(obj.email.value == "")
	{
		alert("Enter your Email Address");
		obj.email.focus();
		return
	}
	if(!chkEmail(obj.email.value))
	{
		alert("Please enter a Valid Email Address");
		obj.email.focus();
		return;
	}
	obj.action = "join_email.php";
	obj.submit();
}