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 MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_findObj(n, d) { //v3.0
  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); 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 checkMail()
{ 
	var mail=document.form.email.value.replace(/ /,"");
	if (mail != "" && (mail.indexOf('@') == -1 || mail.indexOf(' ') != -1 || mail.indexOf('.') == -1))
	{ 
		alert("Die eingegebene E-Mail-Adresse ist ungültig!");
		document.form.email.focus();
	}
	else if (mail == "") 
	{	
		alert("Bitte E-Mail-Adresse eingeben!");
   		document.form.email.focus();
	}
	else document.form.submit();
}

function check()
{	
	if (document.umfrage.voting[0].checked == 0 && document.umfrage.voting[1].checked == 0)
	{	
		alert ("Bitte JA oder NEIN auswählen");		
	}
	else
	{	
		document.umfrage.submit();
	}
}
function ow(theURL,winName,features) 
{
	var win=window.open(theURL,winName,features);
}

function OpenWindowBHKW()
{
	window.open('http://www.datenvernetzung.com/ZetaVision/DefaultBHKW.html','BHKW','Left=0,Top=0,Width=1000,Height=600,resizable=yes,location=no,status=no,menubar=no,scrollbars=no,toolbar=no');
}

function OpenWindowGroundhit()
{
	window.open('http://www.datenvernetzung.com/ZetaVision/DefaultGroundhit.html','Groundhit','Left=0,Top=0,Width=1050,Height=650,resizable=yes,location=no,status=no,menubar=no,scrollbars=no,toolbar=no');
}

var URLbf="";
function openURLbf(URL)
{
  if (URLbf) URL=URLbf;
  document.location.href=URL;
}
var URLst="";
// old Stuff
function openURLst(URL)
{
  if (URLst) URL=URLst;
  document.location.href=URL;
} 
// old Stuff
function setURLst()
{
  if (URLst) document.all.LGrafik.href = URLst;
}

function utf8_encode(rohtext) 
{
	// dient der Normalisierung des Zeilenumbruchs
	rohtext = rohtext.replace(/\r\n/g,"\n");
	var utftext = "";
	for(var n=0; n<rohtext.length; n++) {
		// ermitteln des Unicodes des  aktuellen Zeichens
		var c=rohtext.charCodeAt(n);
		// alle Zeichen von 0-127 => 1byte
		if (c<128)
			utftext += String.fromCharCode(c);
			// alle Zeichen von 127 bis 2047 => 2byte
			else if((c>127) && (c<2048)) {
			utftext += String.fromCharCode((c>>6)|192);
			utftext += String.fromCharCode((c&63)|128);
		}
		// alle Zeichen von 2048 bis 66536 => 3byte
		else {
			utftext += String.fromCharCode((c>>12)|224);
			utftext += String.fromCharCode(((c>>6)&63)|128);
			utftext += String.fromCharCode((c&63)|128);
		}
	}
	return utftext;
}