function loadcode(div,url,loop) {
  var req = new XMLHttpRequest();
  if (req) {
    req.onreadystatechange = function() {
      if (req.readyState == 4 && req.status == 200) {
        removecode(div);
        var demo = document.getElementById(div);
        demo.innerHTML = req.responseText;
      }
   };
    if (parseInt(navigator.appVersion)>3) {
				if (navigator.appName=="Netscape") {
						req.open('GET', url);
						req.setRequestHeader('Content-Type', 'text/html; charset=utf-8');	
						
				}
	 			if (navigator.appName=="Microsoft Internet Explorer") {
	 					req.open('GET', url);
						req.setRequestHeader('Content-Type', 'text/html; charset=iso-8859-2');
						
			}
	 			if (navigator.appName=="Opera") {
	 					req.open('GET', 'opera_'+url);
						req.setRequestHeader('Content-Type', 'text/html; charset=iso-8859-2');
						
				}
		}

	req.send(null);
if(loop>0) setTimeout("loadcode('"+url+"')",loop);
	}
}
function removecode(div) {
  var demo = document.getElementById(div);
  while (demo.hasChildNodes()) {
    demo.removeChild(demo.firstChild);
  }
}