function popupWindow(url, name, links, oben, hoehe, breite, scrollbar) {
	if(!links)  links = 10;
	if(!oben) 	 oben = 10;
	if(!hoehe) 	hoehe = 450;
	if(!breite)	breite = 580;
	if(!scrollbar)	scrollbar = 'yes';
		
	popup = window.open(url , name , "height="+hoehe+",width="+breite+" ,status = no,toolbar = no,menubar = no,location = no,resizable = yes,titlebar = no,scrollbars = "+scrollbar+",fullscreen = no,top ="+oben+",left ="+links);
	popup.focus();
}

function openMailBox() {
    /* $('weiterempfehlen').style.display = 'block'; */
    Effect.Appear('weiterempfehlen', { duration: 0.2 });

    return false;
}

function closeMailBox() {
    /* $('weiterempfehlen').style.display = 'none'; */
    Effect.Fade('weiterempfehlen', { duration: 0.2 });
    return false;
}

function toggleMailBox() {
    if($('weiterempfehlen').style.display == 'none') {
	openMailBox();
    } else {
	closeMailBox();
    }
    
    return false;
}

function sendMail() {
    new Ajax.Request('.', {
	method: 'post',
	parameters: $('mailform').serialize(true),
	onSuccess:
	    function(transport) {
		$('mailstatus').innerHTML = transport.responseText;
	    }
    });
}