function makeObject(){ 
var x; 
if (window.ActiveXObject) { 
x = new ActiveXObject("Microsoft.XMLHTTP"); 
}else if (window.XMLHttpRequest) { 
x = new XMLHttpRequest(); 
} 
return x; 
} 
var request = makeObject(); 

var the_content; 

function check_content(the_content){ 
request.open('get', the_content); 
request.onreadystatechange = parseCheck_content; 
request.send(''); 
} 
function parseCheck_content(){ 
if(request.readyState == 1){ 
document.getElementById('content_galerie').innerHTML = 'Loading...'; 
} 
if(request.readyState == 4){ 
var answer = request.responseText; 
document.getElementById('content_galerie').innerHTML = answer; 
} 
}