function highlight(id) {
	el = document.getElementById(id);
	el.style.backgroundColor = '#FFEEE0';
}

function validate_required(field,alerttxt) {
	with (field) {
		if (value==null||value=="") {
			alert(alerttxt);
			return false;
		} else {
			return true;
		}
	}
}

function validate_email(field,alerttxt) {
	with (field) {
		apos=value.indexOf("@");
		dotpos=value.lastIndexOf(".");
		if (apos<1||dotpos-apos<2) {
			alert(alerttxt);
			return false;
		} else {
			return true;
		}
	}
}

function validate_confirm(field1,field2,alerttxt) {
	if (field1.value!=field2.value) {
		alert(alerttxt);
		return false;
	} else {
		return true;
	}
}
function validate_form(thisform) {
	with (thisform) {
		if (validate_required(e_mail,"Please confirm your e-mail address (field is blank).")==false) {
			e_mail.focus();
			return false;
		}
		if (validate_email(e_mail,"Please confirm your e-mail address (not a valid address).")==false) {
			e_mail.focus();
			return false;
		}
		if (validate_confirm(e_mail,e_mail2,"Please confirm your e-mail address (fields do not match).")==false) {
			e_mail.focus();
			return false;
		}
	}
}