function isValid(obj)
{
	if(Trim(obj.vFirstName.value)=="")
	{
		alert("Please Enter a First Name");
		obj.vFirstName.focus();
		return false;
	}
	if(Trim(obj.vLastName.value)=="")
	{
		alert("Please Enter a First Name");
		obj.vLastName.focus();
		return false;
	}
	if(obj.vEmail.value=="")
	{
		alert("Please Enter a Email Address");
		obj.vEmail.focus();
		return false;
	}
	if(!isValidEmail(Trim(obj.vEmail.value)))
	{
		obj.vEmail.focus();
		return false;
	}
	return true;
}