var XMLHTTP = null;
if(window.XMLHttpRequest){
    XMLHTTP = new XMLHttpRequest();
}else if(window.ActiveXObject){
    try{
        XMLHTTP = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (ex){
        try{
            XMLHTTP = new ActiveXObject("Microsoft.XMLHTTP");
        } catch (ex){
        
        }
    }
    
}

function loadAjaxcontent(sendlink){
    var content_area = document.getElementById('contentPositionContainer');
    /*content_area bereinigen*/
    content_area.innerHTML ="";
    /*Ajax Anfrage Starten*/
    if(XMLHTTP.readyState<4){
        XMLHTTP.abort();
    }
    XMLHTTP.open("POST",sendlink);
    XMLHTTP.setRequestHeader("Content-Type","application/x-www-form-urlencoded")
    XMLHTTP.send(null);
    XMLHTTP.onreadystatechange = function(){
        if(XMLHTTP.readyState == 4){
            var ergString = XMLHTTP.responseText;
            content_area.innerHTML = ergString;
        }
    }
}