// Object
function xObj(){
 var browser = navigator.appName;
 if(browser == "Microsoft Internet Explorer"){
  http = new ActiveXObject("Microsoft.XMLHTTP");
 }else{
  http = new XMLHttpRequest();
  http.overrideMimeType('text/text');
 }
 return http;
}

// 
function xr()
{

 t = new Date();
 
 return '&ts=' + t.getTime();
 
}

function xpeExec(p, u, exec){
 u = u+xr();
 var http = xObj();
 http.open("POST", p, true);
 http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
 http.setRequestHeader("Content-length", u.length);
 http.setRequestHeader("Connection", "close");
 http.onreadystatechange = function(){
  if(http.readyState == 4){ 
   if(http.responseText.match('Error')) { alert(http.responseText); return false;  }
   else if(http.responseText.match('<b>Parse error</b>')) { alert(http.responseText); return false;  }
   else if(http.responseText.match('\\$http:reload\\$')) { window.location.reload(); return false;  }
   else{ if(exec) { eval(exec.replace('$exec$', strTrim(http.responseText))); } return true; }
  }
 }
 http.send(u);
}