function getResponse(check)
{
var str;
str=check;
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.onreadystatechange=function()
{
if(xmlHttp.readyState==4)
  {
  document.getElementById('response').innerHTML=xmlHttp.responseText;
  document.myform.message.value = '';
  }
}
var url="new.php";
url=url+"?message="+str;
//url=url+"&sid="+Math.random();
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}