function emailCheck (frm)

{

	pattern = /^[a-zA-Z]{1,}$/;

	if (!pattern.test (frm.first.value))

	{

		alert ("First Name is invalid.\nPlease use upper/lower case letters.\nAt least 1 character required.");

		return false;

	}

	if (!pattern.test (frm.last.value))

	{

		alert ("Last Name is invalid\nPlease user upper/lower case letters.\nAt least 1 character required.");

		return false;

	}

	pattern = /^([a-zA-Z0-9_.-])+@([a-zA-Z0-9_.-])+\.([a-zA-Z])+([a-zA-Z])+/;

	if (!pattern.test (frm.email.value))

	{

		alert ("Email address appears to be invalid.\nPlease try again.\n");

		return false;

	}

	return true;

}