function makeHttpRequest(url, callback_function, return_xml)
{
   var http_request = false;

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

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

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

function DoRequest(xml)
{
	if ( xml.getElementsByTagName('message').item(0) == null )
		return;

	//if ( xml.getElementsByTagName('mobile').item(0) == null )
	//	return;

    
	/*
	var html_content = xml.getElementsByTagName('pin_code').item(0).firstChild.nodeValue;
    //document.getElementById('pin_code').innerHTML = html_content;
	document.getElementById('pin_code').value = html_content;
	document.getElementById('cur_pin_code').value = html_content;
	
    var html_content = xml.getElementsByTagName('mobile').item(0).firstChild.nodeValue;
	document.getElementById('mobile').value = html_content;
	*/
    var html_content = xml.getElementsByTagName('message').item(0).firstChild.nodeValue;
	document.getElementById('result').innerHTML = html_content;

	document.getElementById('form_add_uts_points_submit').disabled = false;
	document.getElementById('form_add_uts_points_submit').className ="uts_submitter";

    try {
        clearTimeout(to);
    } catch (e) {}
    //to = setTimeout("nextAd()", parseInt(reload_after)*1000);
//initImage();

}

function check( pin_code, mobile )
{   
    var now = new Date();
    //var url = 'ajax-user-expire-date.js?ts=' + now.getTime();
	var url = 'ajax-uts.php?pin_code=' + pin_code + '&mobile=' + mobile;
    makeHttpRequest(url, 'DoRequest', true);
	
}

//window.onload = nextAd;