// JavaScript Document
function show(bild, kg, eg, og, dg)
{
	document.ansicht.src=bild;
	if (kg)
	{
	document.gr_kg.src=kg;
	}
	if (eg)
	{
	document.gr_eg.src=eg;
	}
	if (og)
	{
	document.gr_og.src=og;
	}
	if (dg)
	{
	document.gr_dg.src=dg;
	}
}

function change_grund(bild)
{
document.grundrisse.src=bild;
}

function hide_flashpop(){
      var layer = document.getElementById("flashpop");
      var status = layer.style.display;
      status = "block";
      status == "block" ? layer.style.display = "none" : layer.style.display = "block";
}



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 swap_image(Bildname,BildURL)
{
document.images[Bildname].src = BildURL;
}


function prospekt_pruefen()
{
 res = true;
 a = document.Anfrage;
 if(a.vorname.value == '') {res = false;}
 if(a.nachname.value == '') {res = false;}
 if(a.street.value == '') {res = false;}
 if(a.plz.value == '') {res = false;}
 if(a.ort.value == '') {res = false;}
 if(a.email.value == '') {res = false;}

 if(res == false){alert('Bitte füllen Sie alle Pflichtfelder aus!')}
 return res;
}