function popup(url,x,y)
{
	extra = window.open(url,'extra','width=' + x + ',height=' + y + ',resizable=no,menubar=no,location=no,menubar=no,scrollbars=no');
}

function contact_ok(letter)
{
	var send_button;
	send_button = 0;
	if (document.Kontakt.email.value) {
		if (document.Kontakt.email.value.search('@') != -1) { send_button = send_button + 1; }
	}
	if (document.Kontakt.subject.value) { send_button = send_button + 1; }
	if (document.Kontakt.message.value) { send_button = send_button + 1; }
	if (send_button == 3) {
		document.getElementById("send_ok").innerHTML = "<a href=\"#\" onFocus=\"this.blur();\" onClick=\"document.Kontakt.submit();\">Send?</a>";
	} else {
		document.getElementById("send_ok").innerHTML = "send";
	}
}