// Benötigte Swap-Funktionen
//
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function pop_haltung(subject)
{
	popup = window.open("haltung.php?uebung=" + subject, "popup", "fullscreen=no,toolbar=no,status=no,menubar=no,scrollbars=no,resizable=no,directories=no, location=no,width=650,height=550,left=50,top=50");
	popup.focus();
}

function pop_gymnastik(subject)
{
	popup = window.open("gymnastik.php?uebung=" + subject, "popup", "fullscreen=no,toolbar=no,status=no,menubar=no,scrollbars=no,resizable=no,directories=no, location=no,width=650,height=550,left=50,top=50");
	popup.focus();
}

function pop_gescheck(subject)
{
	gescheck = window.open("index.php?page=pop_gescheck_" + subject, "gescheck", "fullscreen=no,toolbar=no,status=no,menubar=no,scrollbars=yes,resizable=no,directories=no, location=no,width=400,height=400,left=50,top=50");
	gescheck.focus();
}

function pop_gesvorsorge(subject)
{
	gesvorsorge = window.open("index.php?page=pop_gesvorsorge_" + subject, "gesgesvorsorge", "fullscreen=no,toolbar=no,status=no,menubar=no,scrollbars=yes,resizable=no,directories=no, location=no,width=400,height=400,left=50,top=50");
	gesvorsorge.focus();
}

function pop_pfunde(subject)
{
	pfunde = window.open("index.php?page=pop_pfunde_" + subject, "pfunde", "fullscreen=no,toolbar=no,status=no,menubar=no,scrollbars=yes,resizable=no,directories=no, location=no,width=400,height=400,left=50,top=50");
	pfunde.focus();
}

function pop_impressum()
{
	impressum = window.open("/index.php?page=impressum", "impressum", "fullscreen=no,toolbar=no,status=no,menubar=no,scrollbars=yes,resizable=no,directories=no, location=no,width=400,height=550,left=50,top=50");
	impressum.focus();
}

function pop_kurs(kurs)
{
	kurs = window.open("index.php?page=kurse&kurs=" + kurs, "kurs", "fullscreen=no,toolbar=no,status=no,menubar=no,scrollbars=yes,resizable=no,directories=no, location=no,width=750,height=550,left=50,top=50");
	kurs.focus();
}

/*überprüft Kontaktdaten*/
function checkdata()
{
	// preset check vars to false
	var telok = false;
	var mailok = false;
	var msgok = false;

	// set mailok
	var re_email = /^([_a-zA-Z0-9-]+)(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+\.([a-zA-Z]{2,3})$/;
	var email = document.kontaktform.email.value;	
	if (re_email.test(email) == true && email.length > 5) mailok = true;

	// set telok
	var zeichen_ok = true;
	var akt_pos = 0;
	var akt_zeichen = "";
	var Ziffern ="0123456789";
	var tel_nummer = document.kontaktform.tel_nummer.value;
	while (zeichen_ok && akt_pos < tel_nummer.length)
	{
		akt_zeichen = tel_nummer.charAt(akt_pos);
		zeichen_ok = (Ziffern.indexOf(akt_zeichen) != -1);
		akt_pos = akt_pos + 1;
	}
	if (zeichen_ok == true && tel_nummer.length > 3) telok = true;

	// set msgok
	var kommentar = document.kontaktform.kommentar.value;
	if (kommentar.length > 1) msgok = true;

	var errmsg = "";
	if (!telok || !mailok) errmsg += "- Ihre E-Mail-Adresse oder Telefonnummer\n";
	if (!msgok) errmsg += "- Ihr Nachricht an uns\n";

	if (!msgok) document.kontaktform.kommentar.focus();
	if (!mailok || !telok)
	{
		if (tel_nummer.length > 0 && !telok) document.kontaktform.tel_nummer.focus();
		else if (email.length > 0 && !mailok) document.kontaktform.email.focus();
		else document.kontaktform.tel_nummer.focus();
	}

	// decide by checked vars
	var allok = (msgok && (telok || mailok))
	if (allok)
	{
		document.kontaktform.submit();
	}
	else alert("Bitte geben sie ein oder korrigieren Sie:\n" + errmsg + "Vielen Dank!");

	return allok;
}