function winOpen(url, breite, hoehe) {
	// Errechnet Koordinaten, um das Popup zentriert zu platzieren
	links = (screen.width/2)-(breite/2);
	oben = (screen.height/2)-(hoehe/2);
	popup = window.open(url,"popup","height="+hoehe+",width="+breite+",status=no,toolbar=no,menubar=no,location=no,resizable=no,titlebar=no,scrollbars=no,fullscreen=no,top ="+oben+",left ="+links);
	popup.focus();
}

$(document).ready(function(){
	// Formular registrieren
	$("#kontaktForm").validate({ 
	    rules: {
		  anzahl: {
		    required: true,
		    range: [25, 2000]
		  }
	    },

        submitHandler: function(form) { 
            form.submit();
			//alert("submitted!");
        },
        errorElement: 'span', 
        errorPlacement: function(error, element) { 
            error.appendTo(element.next()); 
        },
		onkeyup: false
    });
	$('#slideshow').cycle({
        fx:     'fade',
	    speed:  4000,
        timeout: 4000
    });
});