function loadXMLDoc() { if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); } xmlhttp.onreadystatechange=function() { if (xmlhttp.readyState==4 && xmlhttp.status==200) { document.getElementById("ajax_chat").innerHTML=xmlhttp.responseText; } } string = document.getElementById("ajax_chat").innerHTML; xmlhttp.open("GET","content/chat/chat_beitraege.php",true); xmlhttp.send(); } setInterval("loadXMLDoc()",1000); document.formular.textfeld.focus;