function makeHttpRequest1(url, callback_function, return_xml)
{
   var http_request1 = false;

   if (window.XMLHttpRequest) { // Mozilla, Safari,...
       http_request1 = new XMLHttpRequest();
       if (http_request1.overrideMimeType) {
           http_request1.overrideMimeType('text/xml');
       }

   } else if (window.ActiveXObject) { // IE
      try {
           http_request1 = new ActiveXObject("Msxml2.XMLHTTP");
      	} catch (e) {
           try {
               http_request1 = new ActiveXObject("Microsoft.XMLHTTP");
           } catch (e) {}
       }
   }

   if (!http_request1) {
       alert('Unfortunatelly you browser doesn\'t support this feature.');
       return false;
   }
   http_request1.onreadystatechange = function() {
       if (http_request1.readyState == 4) {
           if (http_request1.status == 200) {
               if (return_xml) {
                   eval(callback_function + '(http_request1.responseXML)');
               } else {
                   eval(callback_function + '(http_request1.responseText)');
               }
           } else {
               //alert('For Center Banner There was a problem with the request.(Code: ' + http_request1.status + ')');
           }
       }
   }
   http_request1.open('GET', url, true);
   http_request1.send(null);
}

function loadBanner1(xml)
{
	//alert("center");
	if(xml.getElementsByTagName('content').length > 0)
	{
    	var html_content = xml.getElementsByTagName('content').item(0).firstChild.nodeValue;
		var reload_after = xml.getElementsByTagName('reload').item(0).firstChild.nodeValue;
	}
    else
	{
		var html_content = "";
	}
    document.getElementById('ajax-center-banner').innerHTML = html_content;


	to1 = setTimeout("nextAd1()", parseInt(reload_after));
 /*   try {
        clearTimeout(to1);
    } catch (e) {}*/

    
}

function nextAd1()
{
    var now = new Date();
    var url = 'ajax-center-banner.php?ts=' + now.getTime();
	//alert(url);
    makeHttpRequest1(url, 'loadBanner1', true);
}

//window.onload = nextAd1;