function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        ro = new XMLHttpRequest();
    }
    return ro;
}

var http;

function sndReq() {
		http = createRequestObject();
    http.open('get', '/inc_show_thankyou_page.asp');
    http.onreadystatechange = handleResponse;
    http.send(null);
    setTimeout("sndReq()", 4000);
}

function handleResponse() {
    if(http.readyState == 4){
        var response = http.responseText;
       
          if ("true" == response)  {
        	  _url = document.location.href;
      	  
        	  if (_url.indexOf ("/de/") > 0 )
	     				document.location.href="/de/thankyou.asp";
	     			else
	     				document.location.href="/thankyou.asp";
	     	}
   
    }
}

setTimeout("sndReq()", 6000);