function handleGuestSubmit() {
	var guestfield = new Array();
	guestfield[1]=document.addentry.guest1.value;
	guestfield[2]='';
	guestfield[3]=document.addentry.guest3.value;
	guestfield[4]=document.addentry.guest4.value;
	guestfield[5]=document.addentry.guest5.value;
	guestfield[6]=document.addentry.guest6.value;
	if (guestfield[1]=='') {
		alert("Please provide your name");
		document.addentry.guest1.focus();
		return false;
	}
	if (guestfield[6]=='') {
		alert("Please provide your comments");
		document.addentry.guest6.focus();
		return false;
	}
	for(i=1; i<7 ; i++) {
		j=guestfield[i].length;
		j=j-3;
		for(k=0; k<j+1 ; k++) {
			var tester=guestfield[i].substring(k,k+4);
			tester=tester.toLowerCase();
			if (tester=='http') {
				killSpammers();
				return false;
			}
			if (tester=='href') {
				killSpammers();
				return false;
			}
			var tester2=tester.substring(0,3);
			if (tester2=='www') {
				killSpammers();
				return false;
			}
		}
	}
	document.addentry.action='http://www.casitascopes.com/cgi-bin/gstbk.pl';
	return true;
}

function killSpammers() {
	alert("Please do not post web links in this guestbook!");
	document.addentry.reset();
	document.addentry.guest1.focus();
}