//	Funktion des Browser-Zurueck-Buttons 
function fBack()
{ 
history.back(1);
} 

// Popup-Fenster öffnen
function fPopup(dateiname, fensterweite, fensterhoehe)
{
popupfenster = window.open(dateiname, "Varex", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=no,width="+fensterweite+",height="+fensterhoehe);
popupfenster.focus();
}	

// Swap images Macromedia
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_nbGroup(event, grpName) { //v6.0
var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])?args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) { img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr) for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}

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];}}
}


//	Zoom-Funktion mit Parametern
function fZoom(imageName,imageWidth,imageHeight,bildunterschrift) 
{ 
newWindow = window.open("","newWindow","width="+(imageWidth)+",height="+(imageHeight)+",scrollbars=no");
newWindow.document.open();
newWindow.document.write('<html><head><title>Varex</title>');
newWindow.document.write('</head>');
newWindow.document.write('<body bgcolor="white" leftmargin="0" topmargin="0" marginwidth="0" marginheight="0" onBlur="self.close()">')
newWindow.document.write('<p align="center"><a href="javascript:self.close()"><img src=\"'+imageName+'\"  align="absmiddle" border=0></a>');
if (fZoom.arguments.length>3)
  {
  newWindow.document.write('<font face="Arial, Helvetica, sans-serif" size="2" color="#1D5A2D"><br><br><b>'+ bildunterschrift+'</b></font></p></body></html>')
  }
newWindow.document.close(); 
newWindow.focus(); 
}

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);

//Checkform
function chkForm()
		{
		  var valid
		  valid = true;
		  if(!chkName())  	//Namen generell ueberpruefen
		    {
		    valid = false;
		    return valid;
		    exit;
		    }
	if(!chkAdresse())
		 {
			   valid = false;
		    return valid;
		    exit;
		    }
	if(!chktelefon())
		 {
			   valid = false;
		    return valid;
		    exit;
		    }
	if(!chkEmail())
		 {
			   valid = false;
		    return valid;
		    exit;
		    }
			 	
	function chkName()
		{
		if((document.Anfrage.Name.value == ""))
		  {
		    alert("Bitte geben Sie Ihren Namen ein!");
		    document.Anfrage.Name.focus();
		    return false;
		  }
		else
		  return true;
		}

	function chkAdresse()
		{
		if((document.Anfrage.Strasse.value == "") 
			|| (document.Anfrage.PLZ.value == "")
			|| (document.Anfrage.Ort.value == ""))
		  {
		  alert("Bitte geben Sie Ihre komplette Adresse ein!");
		  document.Anfrage.Strasse.focus();
		  return false;
		  }
		else
		  return true;
		}
         function chktelefon()
		{
		if(document.Anfrage.Telefon.value == "")
		 {
		  alert("Bitte geben Sie Ihre Telefon-Nummer ein!");
		  document.Anfrage.Telefon.focus();
		  return false;
		 }
		else
		  return true;
		}
	function chkEmail()
		{
		var adress = document.Anfrage.Email.value;
		if ((adress =="")
			|| (adress.indexOf ('@') == -1)
			|| (adress.indexOf ('.') == -1))
		 {
		  alert("Bitte geben Sie Ihre Email-Adresse ein!");
		  document.Anfrage.Email.focus();
		  return false;
		  exit;
		 }
		else
		  return true;
		}
function fCheckEmail(adress)
	{
	if ((adress =="")
		|| (adress.indexOf ('@') == -1)
		|| (adress.indexOf ('.') == -1))
		return false;
	return true;
	}
		}
