// onresize for ns4
var origWidth, origHeight;
if (document.layers) {
	origWidth = window.innerWidth; origHeight = window.innerHeight;
	window.onresize = function() { if (window.innerWidth != origWidth || window.innerHeight != origHeight) history.go(0); }
}

var cur_lyr;	// holds id of currently visible layer

function swapLayers(id) {
  if (cur_lyr) hideLayer(cur_lyr);
  showLayer(id);
  cur_lyr = id;
}

function showLayer(id) {
  var lyr = getElemRefs(id);
  if (lyr && lyr.css) lyr.css.visibility = "visible";
}

function hideLayer(id) {
  var lyr = getElemRefs(id);
  if (lyr && lyr.css) lyr.css.visibility = "hidden";
}

function getElemRefs(id) {
	var el = (document.getElementById)? document.getElementById(id): (document.all)? document.all[id]: (document.layers)? document.layers[id]: null;
	if (el) el.css = (el.style)? el.style: el;
	return el;
}


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_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) { //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 fenst() {
 popup =
 window.open("wischhusen.htm","Wischhusen","width=400, height=300");
 popup.focus();
}


function mailto(domain,user)
{ document.location.href = "mailto:" + user + "@" + domain;}


function referenz1() {
 popup =
 window.open("vogel.htm","Referenz","width=760,top=10,left=30,toolbar=no,scrollbars=yes,status=yes,resizable=yes,menubar=no");
 popup.focus();
}

function referenz2() {
 popup =
 window.open("schulz.htm","Referenz","width=760,top=10,left=30,toolbar=no,scrollbars=yes,status=yes,resizable=yes,menubar=no");
 popup.focus();
}



function referenz3() {
 popup =
 window.open("lemke.htm","Referenz","width=760,top=10,left=30,toolbar=no,scrollbars=yes,status=yes,resizable=yes,menubar=no");
 popup.focus();
}

function referenz33() {
 popup =
 window.open("1hansen.htm","Referenz","width=960,top=10,left=30,toolbar=no,scrollbars=yes,status=yes,resizable=yes,menubar=no");
 popup.focus();
}

function referenz4() {
 popup =
 window.open("2begemann.htm","Referenz","width=960,top=10,left=30,toolbar=no,scrollbars=yes,status=yes,resizable=yes,menubar=no");
 popup.focus();
}

function referenz5() {
 popup =
 window.open("3kilians.htm","Referenz","width=960,top=10,left=30,toolbar=no,scrollbars=yes,status=yes,resizable=yes,menubar=no");
 popup.focus();
}

function referenz6() {
 popup =
 window.open("4kante.htm","Referenz","width=960,top=10,left=30,toolbar=no,scrollbars=yes,status=yes,resizable=yes,menubar=no");
 popup.focus();
}

function referenz7() {
 popup =
 window.open("5maritime.htm","Referenz","width=960,top=10,left=30,toolbar=no,scrollbars=yes,status=yes,resizable=yes,menubar=no");
 popup.focus();
}

function referenz8() {
 popup =
 window.open("6kettcar.htm","Referenz","width=960,top=10,left=30,toolbar=no,scrollbars=yes,status=yes,resizable=yes,menubar=no");
 popup.focus();
}

function referenz9() {
 popup =
 window.open("seite1.htm","Referenz","width=960,top=10,left=30,toolbar=no,scrollbars=yes,status=yes,resizable=yes,menubar=no");
 popup.focus();
}

function referenz10() {
 popup =
 window.open("seite2.htm","Referenz","width=960,top=10,left=30,toolbar=no,scrollbars=yes,status=yes,resizable=yes,menubar=no");
 popup.focus();
}

function referenz11() {
 popup =
 window.open("seite3.htm","Referenz","width=960,top=10,left=30,toolbar=no,scrollbars=yes,status=yes,resizable=yes,menubar=no");
 popup.focus();
}

function referenz12() {
 popup =
 window.open("seite4.htm","Referenz","width=960,top=10,left=30,toolbar=no,scrollbars=yes,status=yes,resizable=yes,menubar=no");
 popup.focus();
}