function getRequestObject()
{

var ro;





//MOZILLA:
if(window.XMLHttpRequest)
{


try{
ro = new XMLHttpRequest();
}
catch(e){
ro = null;
}


//MSIE:
}else{

//INTERNET-EXPLORER


//zunächst neue Methode ausprobieren:

try{
ro = new ActiveXObject("Msxml2.Xmlhttp");
}
catch(e){
	//Neue Methode hat nicht funktioniert.
	//Vielleicht die alte?
	try{
		ro = new ActiveXObject("Microsoft.XMLHTTP");
	}
	catch(e){
		//ActiveX ausgeschaltet und/oder kein JavaScript aktiviert
		ro = null;
	}	

}

}//ENDE MSIE

if(ro == null)
{
	alert ("Ihr Browser unterstützt leider kein AJAX");
}

return ro;

}//function getRequestObject()

function nix(){
}

function inhaltAktualisieren(content)
{

	url = content;
	

	request_object = getRequestObject();		
	request_object.onreadystatechange = statehandler;

	
	
	request_object.open('post', url, 'false');	
	request_object.send(url);		
			
}

function statehandler()
{
	if(request_object.readyState == 4)
	{
		
		
		var daten = request_object.responseText;
		i = document.getElementById('inhalt');			
		

		i.innerHTML = daten;					

		u = document.getElementById("head_1");
		if(u != null){			
			u.style.color = headline;
		}

		u = document.getElementById("head_2");
		if(u != null){			
			u.style.color = headline;
		}

		u = document.getElementById("head_3");
		if(u != null){			
			u.style.color = headline;
		}

		u = document.getElementById("head_4");
		if(u != null){			
			u.style.color = headline;
		}

		u = document.getElementById("head_5");
		if(u != null){
			u.style.color = headline;
		}

		u = document.getElementById("head_6");
		if(u != null){
			u.style.color = headline;
		}

		u = document.getElementById("head_7");
		if(u != null){
			u.style.color = headline;
		}
		

		if(url == "content/impressum.php"){
			bildwechsler('impressum');
		}

		if(url == "content/start.php"){
			bildwechsler('start');
		}

		if(url == "content/taetigkeiten.php"){
			bildwechsler('sein');
		}

		if(url == "content/tun.php"){
			bildwechsler('tun');
		}

		if(url == "content/kontakt.php"){
			bildwechsler('kontakt');
		}

		
		
		
	}
}