var initAfter;
setInterval('reloadImage()', 13000);
send_data_visitors();
get_data_visitors("http://nicecoder.com/ntalk/visitors.php?pf=get");


function no_response()
{
	send_data_visitors();
	ajax_send_data_visitors("http://nicecoder.com/ntalk/visitors.php?pf=no_init");
}

function yes_response()
{
	send_data_visitors();
	popUp('http://nicecoder.com/ntalk/live_help_register.php');
	ajax_send_data_visitors("http://nicecoder.com/ntalk/visitors.php?pf=yes_init");
}

function createXMLHttpRequest()
{
	if(window.XMLHttpRequest)
	{
		xmlhttpReq=new XMLHttpRequest();
		if(xmlhttpReq.overrideMimeType)
		{
		xmlhttpReq.overrideMimeType('text/xml');
		}
	}
	else if(window.ActiveXObject)
	{
		try
		{
			xmlhttpReq=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch(e)
		{
			try
			{
				xmlhttpReq=new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch(e){}
		}
	}
	if(!xmlhttpReq)
	{
		alert('Cannot create an XMLHTTP');
		return false;
	}
	return xmlhttpReq;
}

function browser_detection()
{
  var nVer = navigator.appVersion;
  var nAgt = navigator.userAgent;
  var browserName  = '';
  var fullVersion  = 0; 
  var majorVersion = 0;

  // Internet Explorer
  if ((verOffset=nAgt.indexOf("MSIE"))!=-1) 
  {
    browserName  = "Microsoft Internet Explorer";
    fullVersion  = parseFloat(nAgt.substring(verOffset+5));
    majorVersion = parseInt(''+fullVersion);
  }

  // Opera 
  else if ((verOffset=nAgt.indexOf("Opera"))!=-1) 
  {
    browserName  = "Opera";
    fullVersion  = parseFloat(nAgt.substring(verOffset+6));
    majorVersion = parseInt(''+fullVersion);
  }

  // Firefox 
  else if ((verOffset=nAgt.indexOf("Firefox"))!=-1) 
  {
    browserName  = "Firefox";
    fullVersion  = parseFloat(nAgt.substring(verOffset+8));
    majorVersion = parseInt(''+fullVersion);
  }

  // Other browsers 
  else if ( (nameOffset=nAgt.lastIndexOf(' ')+1) < (verOffset=nAgt.lastIndexOf('/')) ) 
  {
    browserName  = nAgt.substring(nameOffset,verOffset);
    fullVersion  = parseFloat(nAgt.substring(verOffset+1));
    if (!isNaN(fullVersion)) majorVersion = parseInt(''+fullVersion);
    else {fullVersion  = 0; majorVersion = 0;}
  }

  // if no name and/or no version detected
  if (browserName.toLowerCase() == browserName.toUpperCase() || fullVersion==0 || majorVersion == 0 )
  {
    browserName  = navigator.appName;
    fullVersion  = parseFloat(nVer);
    majorVersion = parseInt(nVer);
  }
  
  return browserName+" "+fullVersion;
}

function send_data_visitors()
{
	var arr = window.location.href.split('?');
  var arr2 =arr[0].split('/');
  var page=arr2[arr2.length-1];
	var browser=navigator.appName;
	var the_browser=browser_detection();
	ajax_send_data_visitors("http://nicecoder.com/ntalk/visitors.php?pf=add&page_title="+page+"&browser_name="+the_browser+"");
}

function ajax_send_data_visitors(url)
{
	var sendDataRequest=createXMLHttpRequest();
	sendDataRequest.open('GET',url,true);
	sendDataRequest.setRequestHeader("If-Modified-Since", "Mon, 01 Jan 1970 05:00:00 GMT");
	sendDataRequest.send(null);
}

function popUp(URL) 
{
	day = new Date();
	id  = day.getTime();
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=520,height=380,left = 312,top = 184');");
}

function get_data_visitors(url)
{
	var getDataRequest=createXMLHttpRequest();
	var init;
	var answer
	getDataRequest.onreadystatechange = function()
	{
		if (getDataRequest.readyState==4)
		{
			initBefore = getDataRequest.responseText;
			if(initBefore==1)
			{
				if(initBefore!=initAfter)
				{
					popUp('http://nicecoder.com/ntalk/invite.php?pf=invite');
				}
			}
			setTimeout("get_data_visitors('http://nicecoder.com/ntalk/visitors.php?pf=get')", 8000);
			initAfter=initBefore;
		}
	}
	getDataRequest.open('GET',url,true);
	getDataRequest.setRequestHeader("If-Modified-Since", "Mon, 01 Jan 1970 05:00:00 GMT");
	getDataRequest.send(null);
}

function reloadImage()
{
  img = document.getElementById('show_banner');
  img.src = 'http://nicecoder.com/ntalk/images/banner_watermark_apply.php?photo=banner.jpg&' + Math.random();
}