function validatePage()
{
	if (document.myForm.firstName.value == '') {
		alert("Please enter your 'First Name'");
		return false;
	}
	else if (document.myForm.lastName.value == '')
	{
		alert("Please enter your 'Last Name'");
		return false;
	}
	else if (document.myForm.email.value == '')
	{
		alert("Please enter your 'Email' address");
		return false;
	}
	else if (!isValidEmail())
	{
		return false;
	}
	return true;
}

function isValidEmail(){
	var str=document.myForm.email.value
	var filter=/^.+@.+\..{2,3}$/
	
	if (filter.test(str))
		return true;
	else {
		alert("Please enter a 'valid' email address!")
	}
	return false;
}