function pajax(function_action, page_server, params)
{
var xmlHttp;
try
{
// Firefox, Opera 8.0+, Safari
xmlHttp=new XMLHttpRequest();
}
catch (e)
{
// Internet Explorer
try
  {
  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  }
catch (e)
  {
  try
	{
	xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
  catch (e)
	{
	alert("Your browser does not support AJAX!");
	return false;
	}
  }
}

//xmlHttp.validateOnParse=false;

xmlHttp.onreadystatechange=function()
  {
  if(xmlHttp.readyState==4)
	{
		if(function_action)
			function_action(xmlHttp.responseText);
	}
  }
xmlHttp.open("POST",page_server,true);  
xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded;charset=UTF-8");
xmlHttp.setRequestHeader("encoding", 'utf-8');
xmlHttp.setRequestHeader("Content-length", params.length);
xmlHttp.setRequestHeader("Connection", "close");
xmlHttp.send(params);
}