function checkForm (target)
{
	var fname = document.getElementById("fname");
	var femail = document.getElementById("femail");
	var ftelno = document.getElementById("ftelno");
	var fsubject = document.getElementById("fsubject");
	var form = document.getElementById("form");

	if (fname.value == "")
	{
		alert("Please enter your name before submitting the form. Thank you.");
		fname.focus();
	}
	else
	{
    var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
    if (!filter.test(femail.value)) 
    {
			alert("Please enter a valid e-mail address before submitting the form. Thank you.");
			femail.focus();
		}
		else
		{
      filter = /^[0-9()\- ]{8,14}$/; // Good enough, not perfect.
			if (!filter.test(ftelno.value))
			{
				alert("Please enter your phonenumber (xxx-xxxx) before submitting the form. Thank you.");
				ftelno.focus();
			}
			else
			{
				if (fsubject.value == "")
				{
					alert("Please include what the enquiry is about before submitting the form. Thank you.");
					fsubject.focus();
				}
				else
				{
          alert("Thank you, we received your message.");
					form.submit();
				}
			}
		}
	}
}