function changeFormDateDest(daysBetween){
			var form = document.forms.suche;
			if (form.depDay.selectedIndex != -1){
				var selectedDay = 	form.depDay.selectedIndex;
			} else {
				var selectedDay = 0;
			}
			var heute = new Date();
			// filter bad date, for example 30. February
			var depDaySelected = form.depDay.options[selectedDay].value;
			if (form.depMonthYear.selectedIndex != -1){
				var selectedMonthYear = 	form.depMonthYear.selectedIndex;
			} else {
				var selectedMonthYear = 0;
			}
			var depMonthYearSelected = form.depMonthYear.options[selectedMonthYear].value;
			var monthYearSplit = depMonthYearSelected.split(".");
			var year = monthYearSplit[1];
			var month = monthYearSplit[0]-1;
			depDaySelected = parseInt(depDaySelected) + 7;
			var neuesDatum = new Date(parseInt(year),parseInt(month),depDaySelected);
			var newDestMonthYear = (parseInt(neuesDatum.getMonth())+1)+"."+neuesDatum.getFullYear();
			//newDestMonthYear = parseInt(newDestMonthYear)+1;
			form.destDay.options[neuesDatum.getDate()-1].selected= true;
			for (var x = 0;x<form.destMonthYear.length;x++){
				if (form.destMonthYear.options[x].value==newDestMonthYear){
					form.destMonthYear.options[x].selected= true;
				}
			}

	}