function getHTTPObject()       
    {                       
          var http;
          var browser = navigator.appName;

          if(browser == "Microsoft Internet Explorer") 
          {
                http = new ActiveXObject("Microsoft.XMLHTTP"); 
          }
          else
          {
                http = new XMLHttpRequest(); 
          }

          return http;
    }
var http = getHTTPObject(); 

function xn(n)
{
	var url = "inc/ajax.asp?n="+n;
	http.open("GET", url, true);  
	http.onreadystatechange = hsc; 
	http.send(null);         
}
function hsc()       
{ 
	if (http.readyState == 4) 
		{
		var helloStr = http.responseText; 
		//alert ( helloStr );
		document.getElementById("massege").innerHTML = helloStr; 
	}
}