function setRequest(typ, wert) {
				if (window.XMLHttpRequest) {
					request = new XMLHttpRequest();
				} else if (window.ActiveXObject) {
					try {
						request = new ActiveXObject('Msxml2.XMLHTTP');
					} catch (e) {
						try {
							request = new ActiveXObject('Microsoft.XMLHTTP');
						} catch (e) {}
					}
				}
				if (!request) {
					alert("Kann keine XMLHTTP-Instanz erzeugen");
					return false;
				} else {
					if (typ == 'land')
					{
						var url = "requestData.php?land=" + wert;
						request.open('post', url, true);
						request.send(null);
						request.onreadystatechange = interpretCountryRequest;
					} if (typ == 'uReise')
					{
						var url = "requestData.php?uReise=" + wert;
						request.open('post', url, true);
						request.send(null);
						request.onreadystatechange = interpretUReiseRequest;
					}
				}
			}

		  	function interpretCountryRequest() {
		  		switch (request.readyState) {
		  			case 4:
		  				if (request.status != 200) {
		  					alert("Der Request wurde abgeschlossen, ist aber nicht OK\nFehler:"+request.status);
		  				} else {
		  					var content = request.responseText;
		  					document.getElementById('regionContainer').innerHTML = content;
		  				}
		  				break;
		  			default:
		  				break;
		  		}
		  	}

		  	function interpretUReiseRequest() {
		  		switch (request.readyState) {
		  			case 4:
		  				if (request.status != 200) {
		  					alert("Der Request wurde abgeschlossen, ist aber nicht OK\nFehler:"+request.status);
		  				} else {
		  					var content = request.responseText;
		  					document.getElementById('uReiseContainer').innerHTML = content;
		  				}
		  				break;
		  			default:
		  				break;
		  		}
		  	}