function validateContactForm() {
 if (document.contactForm.nameContact.value == "") {
 alert("Please provide a name.");
	document.contactForm.nameContact.focus();
 return false;
}

apos2=document.contactForm.emailContact.value.indexOf("@")
dotpos2=document.contactForm.emailContact.value.lastIndexOf(".")

if (apos2<1 || dotpos2-apos2<2) {
	alert("Please ensure you have provided a valid email address.");
	document.contactForm.emailContact.focus();
	return false;
}

if (document.contactForm.messageContact.value == "") {
 alert("Please write a message in the box provided.");
	document.contactForm.messageContact.focus();
 return false;
}

return true;
}