function simpleHttp_Request_post(url,callback){
 var http_request = false;
 if (window.XMLHttpRequest) { // Mozilla, Safari,...
           http_request = new XMLHttpRequest();
 } else if (window.ActiveXObject) { // IE
           http_request = new ActiveXObject("Microsoft.XMLHTTP");
 }
	   http_request.onreadystatechange = function(){
	    if (http_request.readyState == 4) {
           if (http_request.status == 200) {
               eval(callback + '(http_request.responseText)');
           } else {
               eval(callback + '(notFound)');
           }
       }
	   
	   } 
       http_request.open('post', url, true);
       http_request.send(null);
}

function send_newsletter_box(){
	 document.getElementById("newslettermeldung").innerHTML = "";
	 var func="";
	 if (document.getElementById("nlform_funcml_add").checked == true) func = "add";
	  else func="unsub2";
	 var url = "wrapper/nl_wrapper.php?email="+escape(document.getElementById("nlform_email").value)+"&funcml="+escape(func)+"&p=48&"+escape("nlbox[1]")+"=63";
	 simpleHttp_Request_post(url,"updateNewsletterBox");
	 document.getElementById("newslettermeldung").style.visibility="visible";
	 return false;
}
	
function updateNewsletterBox(response){
    document.getElementById("newslettermeldung").innerHTML = response;
}