var nLastOpenMenu = -1;


function toggleMenu( pos ) {

	if( nLastOpenMenu > -1 && nLastOpenMenu != pos ) {
		document.getElementById( "hauptnav0" + nLastOpenMenu ).style.display = "";
		document.getElementById( "hauptnav0" + nLastOpenMenu ).className = "hauptnav0" + nLastOpenMenu;
	}
	
	var subnavstyle = document.getElementById( "Subnav0" + pos );
	
	if( subnavstyle ) {
		if( subnavstyle.style.display == "" ){
			subnavstyle.style.display = "block";
		}else{
			subnavstyle.display = "";
		};
	}
			
	document.getElementById( "hauptnav0" + pos ).className = "hauptnav0" + pos + "_aktiv" ;

	nLastOpenMenu = pos;

}

function highlightSubMenu( pos, subpos ) {
	var subnavstyle = document.getElementById( "subnav0" + pos + "_" + subpos );
	subnavstyle.className = "subnav0" + pos + "_" + subpos + "_aktiv";
}



function updateHeight() {
	document.getElementById( "inhalt" ).style.height = "auto";
	var nHeightScreen = document.body.offsetHeight;
	var nHeightInhalt = document.getElementById( "inhalt" ).offsetHeight + 264;
	if( document.getElementById( "untertext" ) ) {
		nHeightInhalt += ( document.getElementById( "untertext" ).offsetHeight - 30 );
	}
	
	nHeight = nHeightScreen;
	nHeight = ( nHeight < nHeightInhalt ? nHeightInhalt : nHeight );
	nHeight = ( nHeight < 580 ? 580 : nHeight );

	document.getElementById( "container" ).style.height = nHeight + "px";
	document.getElementById( "navcontainer" ).style.height = (nHeight-264) + "px";
	document.getElementById( "inhalt" ).style.height = (nHeight-320) + "px";
	if( document.getElementById( "mp" ) ) {
		document.getElementById( "mp" ).style.height = (nHeight-264) + "px";
	}
	else if( document.getElementById( "mp2" ) ) {
		document.getElementById( "mp2" ).style.height = (nHeight-264) + "px";
	}

	return;
}

window.onload = updateHeight;
window.onresize = updateHeight;


function animation() {
	popupWin = window.open('flash/filter.swf', 'animation', 'width=800,height=650,left=180,top=80');
	popupWin.focus();
}
function animation2() {
	popupWin = window.open('flash/strebversorgung.swf', 'animation', 'width=800,height=650,left=180,top=80');
	popupWin.focus();
}

function ansprechpartner() {
	popupWin = window.open('kontaktdaten.asp', 'Kontaktdaten', 'width=422,height=771,left=180,top=80');
	popupWin.focus();
}

function anfahrt() {
	popupWin = window.open('skizze.asp', 'anfahrt', 'width=681,height=642,left=0,top=0, resize=no, scrollbar=no');
	popupWin.focus();
}

function zertifikat() {
	popupWin = window.open('zertifikat.asp', 'Zertifikat', 'width=679,height=680,left=0,top=0, resize=no, scrollbar=no');
	popupWin.focus();
}


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];}
}