// JavaScript Document
var xmlHttp;
var search_option;
function statistic(){ 

   xmlHttp=GetXmlHttpObject()
   if (xmlHttp==null){
      alert ("Browser does not support HTTP Request");
      return;
   }
   
  
   
   	//var referer = document.referrer;
	var referer = document.getElementById('referrer').value;

	var nVer = navigator.appVersion;
	var nAgt = navigator.userAgent;
	var browserName  = navigator.appName;
	var fullVersion  = ''+parseFloat(navigator.appVersion); 
	var majorVersion = parseInt(navigator.appVersion,10);
	var nameOffset,verOffset,ix;

	// In MSIE, the true version is after "MSIE" in userAgent
	if ((verOffset=nAgt.indexOf("MSIE"))!=-1) {
		 browserName = "Microsoft Internet Explorer";
		 fullVersion = nAgt.substring(verOffset+5);
	}

	// In Opera, the true version is after "Opera" 
	else if ((verOffset=nAgt.indexOf("Opera"))!=-1) {
		 browserName = "Opera";
		 fullVersion = nAgt.substring(verOffset+6);
	}

	// In Chrome, the true version is after "Chrome" 
	else if ((verOffset=nAgt.indexOf("Chrome"))!=-1) {
		 browserName = "Chrome";
		 fullVersion = nAgt.substring(verOffset+7);
	}
	
	// In Safari, the true version is after "Safari" 
	else if ((verOffset=nAgt.indexOf("Safari"))!=-1) {
		 browserName = "Safari";
		 fullVersion = nAgt.substring(verOffset+7);
	}
	
	// In Firefox, the true version is after "Firefox" 
	else if ((verOffset=nAgt.indexOf("Firefox"))!=-1) {
		 browserName = "Firefox";
		 fullVersion = nAgt.substring(verOffset+8);
	}

	// In most other browsers, "name/version" is at the end of userAgent 
	else if ( (nameOffset=nAgt.lastIndexOf(' ')+1) < (verOffset=nAgt.lastIndexOf('/')) ) 
	{
		 browserName = nAgt.substring(nameOffset,verOffset);
		 fullVersion = nAgt.substring(verOffset+1);
		 if (browserName.toLowerCase()==browserName.toUpperCase()) {
			  browserName = navigator.appName;
		 }
	}

	// trim the fullVersion string at semicolon/space if present
	if ((ix=fullVersion.indexOf(";"))!=-1) fullVersion=fullVersion.substring(0,ix);
	if ((ix=fullVersion.indexOf(" "))!=-1) fullVersion=fullVersion.substring(0,ix);

	majorVersion = parseInt(''+fullVersion,10);
	if (isNaN(majorVersion)) {
		 fullVersion  = ''+parseFloat(navigator.appVersion); 
		 majorVersion = parseInt(navigator.appVersion,10);
	}


	var useragent = browserName+ ' ' +fullVersion;
	
	
   var url="stat.php";
   var parameters = "from="+referer+"&browser="+useragent;
   xmlHttp.open("POST",url, true); 
   xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
   xmlHttp.setRequestHeader("Content-length", parameters.length);
   xmlHttp.setRequestHeader("Connection", "close");
   xmlHttp.onreadystatechange = function(){
	  if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){ 
		//alert(xmlHttp.responseText);
		//document.getElementById('info'+num).innerHTML = xmlHttp.responseText;		
      }    
   }
   xmlHttp.send(parameters); 
}


function GetXmlHttpObject()
{
  var xmlHttp=null;
  try
  {
   // Firefox, Opera 8.0+, Safari
   xmlHttp=new XMLHttpRequest();
  }
  catch (e)
  {
   //Internet Explorer
    try
    {
       xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e)
    {
       xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
   }
  return xmlHttp;
}


statistic();