function ajax(stranka, kam) { var httpRequest; if(typeof window.ActiveXObject != 'undefined') { httpRequest = new ActiveXObject("Microsoft.XMLHTTP"); } else { httpRequest = new XMLHttpRequest(); } httpRequest.open("GET", stranka, true); httpRequest.onreadystatechange= function () { processRequest(httpRequest, kam) }; httpRequest.send(null); } function processRequest(httpRequest, kam) { if (httpRequest.readyState == 4) { if(httpRequest.status == 200) { if (typeof kam == 'string') { document.getElementById(kam).innerHTML = httpRequest.responseText; } if (typeof kam == 'function') { kam(httpRequest.responseText); } } else { alert("Chyba pri nacitani stanky " + httpRequest.status +" : "+ httpRequest.statusText); } } else { if (typeof kam == 'string' && kam != '') { document.getElementById(kam).innerHTML = '<center><img src="/css/ajax-loader.gif" alt="" /> Načítám obsah...</center>'; } } }