function newsletter() {



	

	if(document.forms[0].email2.value == "") {

		alert("Bitte geben Sie Ihre E-Mail Adresse ein!");

		return false;

	 	}

else {

       return true;

	}	

}	







function getQueryVariable(variable) {

  var query = window.location.search.substring(1);

  var vars = query.split("&");

  for (var i=0;i<vars.length;i++) {

    var pair = vars[i].split("=");

    if (pair[0] == variable) {

      return pair[1];

    }

  } 

  return "";

}

			
function calculateDates() {

	document.anfrageForm.anreisedatum.value = document.anfrageForm.vyy.value + "-" + document.anfrageForm.vmm.value + "-" + document.anfrageForm.vdd.value;

	document.anfrageForm.abreisedatum.value = document.anfrageForm.byy.value + "-" + document.anfrageForm.bmm.value + "-" + document.anfrageForm.bdd.value;

	

	document.anfrageForm.anreisedatumAlternativ.value = document.anfrageForm.alt_vyy.value + "-" + document.anfrageForm.alt_vmm.value + "-" + document.anfrageForm.alt_vdd.value;

	document.anfrageForm.abreisedatumAlternativ.value = document.anfrageForm.alt_byy.value + "-" + document.anfrageForm.alt_bmm.value + "-" + document.anfrageForm.alt_bdd.value;

	

}



if(getQueryVariable("vyy") != "") {

	jjjj = getQueryVariable("vyy");

	tt = getQueryVariable("vdd");

	mM = getQueryVariable("vmm");

	

	bjjj = getQueryVariable("byy");

	btt = getQueryVariable("bdd");

	bmM = getQueryVariable("bmm");

	

	altJJJJ = getQueryVariable("alt_vyy");

	altTT = getQueryVariable("alt_vdd");

	altMM = getQueryVariable("alt_vmm");

	

	altJJJJ = getQueryVariable("alt_byy");

	altBTT = getQueryVariable("alt_bdd");

	altBMM = getQueryVariable("alt_bmm");

	

}



else {



	

	var Datum = new Date();

	var tt = Datum.getDate();

	var btt = tt+7;

	

	var altTT = Datum.getDate();

	var altBTT = tt+7;

	

	var mM = Datum.getMonth() + 1;

	var bmM = mM;

	

	var altMM = Datum.getMonth() + 1;

	var altBMM = mM;

	

	var tage31 = true;

	if (mM%2==0) tage31 = false;

	if (tage31) {

		if (btt > 31) {

			btt = btt-31;

			bmM++; }

		}

	else {

		if (btt > 30) {

			btt = btt-30;

			bmM++;

		}

	}

	

	altBMM = bmM;

	altBTT = btt;

	

	var jjjj = Datum.getFullYear();

	var altJJJJ = Datum.getFullYear();


	var bjjj = Datum.getFullYear();

	var altbJJJ = Datum.getFullYear();




}