// check the contact form
function checkform(form) {
	var requiredstring = new String(form.required.value);
	var fields = requiredstring.split(",");
	var i = 0;
	while (i < fields.length) {
		eval("tempstring = escape(form."+fields[i]+".value);");
		if ((tempstring == "") || (tempstring == "dummy")) {
			alert("You have not filled in all the required fields.");
			eval("form."+fields[i]+".focus();");
			return false;
		}
		i += 1;
	}

	var address = form.email.value;

	if ((address.indexOf("@") == -1) || (address.indexOf(".") == -1) || (address.length < 7)) {
		alert("You must specify a valid e-mail address.");
		form.email.focus();
		form.email.select();
		return false;
	}
}