function winopen(desturl,wname,w1,h1){
  var x0, y0;
  w=690
  h=540
  if (w1!='0') {w=w1}
  if (h1!='0') {h=h1}
  neuesfenster=open(desturl,wname,'toolbar=0,status=0,scrollbars=auto,left=0,top=0,screenX='+x0+',screenY='+y0+',width='+w+',height='+h+',resizeable=1,dependent=1');
  if (navigator.appVersion.charAt(0)>=3) {
  x0=(screen.availWidth-w)/2;
  y0=(screen.availHeight-h)/2;
  neuesfenster.moveTo(x0,y0);
  }
}

function pet_detail(pic){
	winopen('pet_detail.php?lo=gal&pic='+pic,'Detail','0','0');
}

function pic_detail(pic, dir){
	winopen('content_redir.php?pic='+pic,'Detail','0','0');
}

function news_gal(pic){
	winopen('pet_detail.php?pic='+pic+"&x=gal",'Detail','0','0');
}

function Datum(n) {
	var tag = document.getElementById("DTag"+n).options[document.getElementById("DTag"+n).selectedIndex].value;
	var monat = document.getElementById("DMonat"+n).options[document.getElementById("DMonat"+n).selectedIndex].value;
	var jahr = document.getElementById("DJahr"+n).options[document.getElementById("DJahr"+n).selectedIndex].value;
	if(monat == 2){
		if(jahr % 4 == 0 || jahr % 100 == 0 || jahr % 1000 == 0){
			Loeschen(n);
			FillDate(29,tag,n);
		}else{
			Loeschen(n);
			FillDate(28,tag,n);
		}
	}else if(monat == 1 || monat == 3 || monat == 5 || monat == 7 || monat == 8 || monat == 10 || monat == 12){
		Loeschen(n);
		FillDate(31,tag,n);
	}else{
		Loeschen(n);
		FillDate(30,tag,n);
	}
}

function Loeschen(n) {
	var DTag = document.getElementById("DTag"+n);
	var len = DTag.length;
	for (count = 1; count <= len; count++){
	  DTag.options[DTag.length - 1] = null;
	}
}

function fn(n){
	return (n < 10 ? "0"+n : n);
}

function FillDate(c,tag,n) {
	if(tag > c){
		tag = c;
	}
	for (count = 1; count <= c; count++){
		sel = false;
		if(fn(count) == tag){
			sel = true;
		}
		NeuerEintrag = new Option(fn(count), fn(count), false, sel);
		document.getElementById("DTag"+n).options[document.getElementById("DTag"+n).length] = NeuerEintrag;
	}
}

function openwindow (url) {
	fenster = window.open(url, "mzwinagb", "width=600,height=400,status=yes,scrollbars=yes,resizable=yes");
	fenster.focus();
}

function checkKontakt(){
	var msg = "";
	var obj = document.getElementById('betreff');
	if(obj.options[obj.selectedIndex].value == "0"){
		msg = msg + "Bitte wählen Sie einen Betreff aus.\n";
	}
	if(document.getElementById('plz').value == ""){
		msg = msg + "Bitte geben Sie Ihre PLZ ein.\n";
	}
	if(msg != ""){
		alert(msg);
		return false;
	}
	return true;
}