function getpage(pagename,idtag,mypost) {
	var myAjax = createXMLHttpRequest();
	myAjax.onreadystatechange = function(){
	if(myAjax.readyState == 4){
		var ajaxDisplay = document.getElementById(idtag);
			ajaxDisplay.innerHTML = myAjax.responseText;
			setTimeout('getpage(\'nextime.php\',\''+idtag+'\',\''+mypost+'\')',60000);
		}
	}
	myAjax.open("POST", pagename, true);
	myAjax.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; Charset=UTF-8');
	myAjax.setRequestHeader("Content-length", mypost.length);
    myAjax.setRequestHeader( "If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT" );
	myAjax.setRequestHeader("Cache-Control", "no-cache");
	myAjax.setRequestHeader("Pragma", "no-cache"); 
	myAjax.setRequestHeader("Connection", "close");
	myAjax.send(mypost);
}
function createXMLHttpRequest() {
 var ua;
 if(window.XMLHttpRequest) {
 try {
  ua = new XMLHttpRequest();
 } catch(e) {
  ua = false;
 }
 } else if(window.ActiveXObject) {
  try {
	ua = new ActiveXObject("Microsoft.XMLHTTP");
  } catch(e) {
	ua = false;
  }
 }
return ua;
}
function startTime(div,timezone)
{
getpage('nextime.php',div,'timezone='+timezone);
}

function checkTime(i)
{
if (i<10)
  {
  i="0" + i;
  }
return i;
}