function ImageOpen (url,breite,hoehe,options){
	if( !breite && !hoehe ) {
		Fenster = window.open(url,"Zweitfenster","Width=10,Height=10,status=no,"+options);
	} else {
		Fenster = window.open(url,"Zweitfenster","Width="+breite+",Height="+hoehe+",status=no,"+options);
	}
	Fenster.innerWidth = breite;
	Fenster.innerHeight = hoehe;
	Fenster.focus();
}

mytime = 1;
function checkForm() {
	var error = false;
	
	if( document.mail.EMail.value == "" ) {
		alert("Sie müssen Ihre EMail angeben!");
		return false;
	}
	
	if( document.mail.Betreff.value == "" ) {
		alert("Sie müssen einen Betreff angeben!");
		return false;
	}
	
	if( document.mail.Text.value == "" ) {
		alert("Sie müssen eine Nachricht angeben!");
		return false;
	}
	
	if( error == false ) {
		try{
			document.getElementById("set").value = mytime;
		}catch(e){}
		return true;
	}
}


function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function switchLayer(objName) {
  var obj = MM_findObj(objName);
  alert(obj.style.visibility);
  if(obj.style.visibility == 'visible'){
  	MM_showHideLayers(objName,'','hide');
  } else {
  	MM_showHideLayers(objName,'','visible');
  }
}