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 MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' muss eine E-Mail-Addresse enthalten.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' muss eine Zahl sein.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' muss eine Zahl zwischen '+min+' und '+max+' sein.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' ist leer.\n'; }
  } if (errors) alert('Folgende Fehler traten beim Abschicken des Formulares auf:\n\n'+errors);
  document.MM_returnValue = (errors == '');
}

var lastid = '';

function gehauf(id, info) {
   if (lastid != '') {
      document.getElementById(lastid).innerHTML = '';
   }
   document.getElementById(id).innerHTML = info;
   lastid = id;
   return(true);
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

function einblenden() {
    this.className="hoverIE"; this.firstChild.className="hoverIE";
}

function ausblenden() {
    this.className=""; this.firstChild.className="";
}

 var i = 1;
 var help = "";

function AddArtikel() {

 if (document.getElementById("Bezeichnung Artikel "+i).value == "" || document.getElementById("Farbe Artikel "+i).value == "" || document.getElementById("Bestell-Nr Artikel "+i).value == "" || document.getElementById("Menge Artikel "+i).value == "" ) 
 {
	alert("Bitte füllen Sie erst alle Felder des aktuellen Artikels aus.");
 } else {

	i++;
	input2 = document.getElementById("Artikel").cloneNode(true);

	input2.getElementsByTagName("input")[0].value = "";
	help = input2.getElementsByTagName("input")[0].id.split("1");
	input2.getElementsByTagName("input")[0].id = help[0]+i;
	input2.getElementsByTagName("input")[0].name = help[0]+i;

	input2.getElementsByTagName("input")[1].value = "";
	help = input2.getElementsByTagName("input")[1].id.split("1");
	input2.getElementsByTagName("input")[1].id = help[0]+i;
	input2.getElementsByTagName("input")[1].name = help[0]+i;

	input2.getElementsByTagName("input")[2].value = "";
	help = input2.getElementsByTagName("input")[2].id.split("1");
	input2.getElementsByTagName("input")[2].id = help[0]+i;
	input2.getElementsByTagName("input")[2].name = help[0]+i;

	input2.getElementsByTagName("input")[3].value = "";
	help = input2.getElementsByTagName("input")[3].id.split("1");
	input2.getElementsByTagName("input")[3].id = help[0]+i;
	input2.getElementsByTagName("input")[3].name = help[0]+i;

	document.getElementById("Artikel").parentNode.appendChild(input2);
	document.getElementById("artikel_anzahl").value = i;

 }
}

function RemoveArtikel() {
if (i > 1) {
	y=document.getElementById("Artikel").parentNode.lastChild;
	document.getElementById("Artikel").parentNode.removeChild(y);
	i--;
	document.getElementById("artikel_anzahl").value = i;
} else {
	document.getElementById("Bezeichnung Artikel 1").value="";
	document.getElementById("Farbe Artikel 1").value="";
	document.getElementById("Bestell-Nr Artikel 1").value="";
	document.getElementById("Menge Artikel 1").value="";
	document.getElementById("artikel_anzahl").value = 1;
  }
}