//function um zimmer zu setzen
function zimmersetzen (pfad) {
  zimmerzahl = (pfad.selectedIndex+1);
  bestehendeZimmer = document.getElementById("Zimmer").getElementsByTagName("p").length-1;
  noetigeZimmer=zimmerzahl-bestehendeZimmer;
  benoetigeZimmer=noetigeZimmer;
  if (noetigeZimmer!=0) {
	while (noetigeZimmer<0) {
	if (navigator.appName.indexOf("Explorer") != -1) {
	knoten = document.getElementById("Zimmer").childNodes[zimmerzahl+1];
	}
	else {
	knoten = document.getElementById("Zimmer").childNodes[zimmerzahl+3];
	}
	document.getElementById("Zimmer").removeChild(knoten);
	noetigeZimmer++;
	}
	while (benoetigeZimmer>0) {
	var ptag = document.createElement("p");
	ptag.setAttribute("id", "zimmer"+(bestehendeZimmer+1));
	classe = document.createAttribute("class");
	classe.nodeValue = "formularblock";
	ptag.setAttributeNode(classe);
	var z = (bestehendeZimmer+1);
	ptag.innerHTML = "<label class=\"labelleft\" for=\"zimmertyp"+z+"\">"+z+". Room:</label>\n<select class=\"zimmertyp\" id=\"zimmertyp"+z+"\" name=\"zimmertyp"+z+"\"><option>single room</option>\n<option>double room</option>\n<option>multi bed r.</option>\n</select>\n<select class=\"personen\" name=\"personen"+z+"\">\n<option value=\"1\">1 prs</option>\n<option value=\"2\">2 prs</option>\n<option value=\"3\">3 prs</option>\n<option value=\"4\">4 prs</option>\n<option value=\"5\">5 prs</option>\n</select>\n<select class=\"kinder\" name=\"kinder"+z+"\">\n<option value=\"0\">0 chd</option>\n<option value=\"1\">1 chd</option>\n<option value=\"2\">2 chd</option>\n<option value=\"3\">3 chd</option>\n<option value=\"4\">4 chd</option>\n</select>\n";
	if (navigator.appName.indexOf("Explorer") != -1) {
	document.getElementById("Zimmer").insertBefore(ptag, document.getElementById("Zimmer").childNodes[z]);
	}
	else {
	document.getElementById("Zimmer").insertBefore(ptag, document.getElementById("Zimmer").childNodes[z+2]);
	}
	bestehendeZimmer++;
	benoetigeZimmer--;
	}
  }
}