var resObjekt;
if(navigator.appName.search("Microsoft") > -1){
    resObjekt = new ActiveXObject("Microsoft.XMLHTTP");
    resObjekt = new ActiveXObject("MSXML2.XMLHTTP");
} else {
    resObjekt = new XMLHttpRequest();
}


function navi_land(){
	
  	var  handleResponse = function ()
	{
		if(resObjekt.readyState == 4){
        	document.getElementById('landdiv').innerHTML =	resObjekt.responseText;        
    	}else{
	  		document.getElementById('landdiv').innerHTML = 
			  "<font size=1 face=arial><i>Verfügbare Länder werden geladen ...</i></font>";
  			document.getElementById('stadtdiv').innerHTML = "";
		}
	}
   
    resObjekt.open('post', 'navigation_land.php?reiseartid='+document.getElementById('suche_reiseart').value);
	resObjekt.onreadystatechange = handleResponse;
    resObjekt.send(null);
}

function navi_stadt(){
     
     
     
  	var  handleResponse = function ()
	{
		if(resObjekt.readyState == 4){
        	document.getElementById('stadtdiv').innerHTML =	resObjekt.responseText;        
    	}else{
	  		document.getElementById('stadtdiv').innerHTML = 
			  "<font size=1 face=arial><i>Verfügbare Städte werden geladen ...</i></font>";
		}
	}
   
    resObjekt.open('post', 'navigation_stadt.php?landid='+document.getElementById('suche_land').value+'&reiseartid='+document.getElementById('suche_reiseart').value);
	resObjekt.onreadystatechange = handleResponse;
    resObjekt.send(null);
}

function wetter(ort){
     
     
     
  	var  handleResponse = function ()
	{
		if(resObjekt.readyState == 4){
        	document.getElementById('wetter').innerHTML =	resObjekt.responseText;        
    	}
	}
    resObjekt.open('post', 'wetter.php?wetterort=' + ort);
	resObjekt.onreadystatechange = handleResponse;
    resObjekt.send(null);
}

function leer(feld){
	document.getElementById(feld).value = "";
}