function checkForm(thisform)
{
	if (thisform.name.value == null || thisform.name.value == "")
	{
		alert ("Please enter your name.");
		thisform.name.focus();
		thisform.name.select();
		return false;
	}
	if ((thisform.email.value == null || thisform.email.value == "") &&
		(thisform.telephone.value == null || thisform.telephone.value == ""))
	{
		alert ("Please enter your e-mail address or telephone number.");
		thisform.email.focus();
		thisform.email.select();
		return false;
	}
	if (thisform.message.value == null || thisform.message.value == "")
	{
		alert ("Please enter your message.");
		thisform.message.focus();
		thisform.message.select();
		return false;
	}
	if (thisform.verifytext.value == null || thisform.verifytext.value == "" || thisform.verifytext.value.length < 4)
	{
		alert ("Please enter the verification code.");
		thisform.verifytext.focus();
		thisform.verifytext.select();
		return false;
	}
	if (thisform.email.value.length > 0)
	{
		var good;
		// Note: The next expression must be all on one line...
		//       allow no spaces, linefeeds, or carriage returns!
		var goodEmail = thisform.email.value.match(/\b(^(\S+@).+((\.com)|(\.net)|(\.edu)|(\.mil)|(\.gov)|(\.org)|(\.info)|(\.biz)|(\.name)|(\..{2,2}))$)\b/gi);
		if (goodEmail){
		   good = true;
		} else {
		   alert('Please enter a valid e-mail address.');
		   thisform.email.focus();
		   thisform.email.select();
		   good = false;
		}
		if (good){
		        // This is where you put your action
		        // if email address is good.
		        // We show an alert box, here; but you can
		        // use a window.location= 'http://address'
		        // to call a subsequent html page,
		        // or a Perl script, etc.
		        //alert("E-mail address field verified good.");
		        return true;
	        } else {
	        	return false;
	        }
	}
	return true;
}

function refreshCAPTCHA() {
	//window.location.reload();
	document.getElementById('CAPTCHA').src='/cgi-bin/captcha.cgi';
	document.getElementById('verifytext').value = "";
	document.getElementById('verifytext').focus();
}