function checkemail() {

	

	if (document.email_form.visitorname.value == ''){

		alert("Your name can't be left blank.");

		document.email_form.visitorname.focus();

		return false;

	}

	if (document.email_form.visitoremail1.value == ''){

		alert("Your email can't be left blank.");

		document.email_form.visitoremail1.focus();

		return false;

	}

	if (document.email_form.visitoremail1.value.indexOf("@") < 0){

		alert("Invalid email address (No @ sign).");

		document.email_form.visitoremail1.focus();

		return false;

	}

	if (document.email_form.visitoremail1.value.indexOf(" ") > -1){

		alert("Invalid email address.\n No spaces allowed.");

		document.email_form.visitoremail1.focus();

		return false;

	}

	if (document.email_form.visitoremail1.value != document.email_form.visitoremail2.value){

		alert("Emails do not match.");

		document.email_form.visitoremail1.focus();

		return false;

	}



	document.email_form.submit();

	return true;

}