function fraud_chk($pos, $val){	
	var xmlHttp;
  try
    {
    // Firefox, Opera 8.0+, Safari
    xmlHttp=new XMLHttpRequest();
    }
  catch (e)
    {
    // Internet Explorer
    try
      {
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      try
        {
        xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
        }
      catch (e)
        {
        alert("Your browser does not support AJAX!");
        return false;
        }
      }
    }
	xmlHttp.onreadystatechange=function()
    {
      if(xmlHttp.readyState==4)
      {
	  	//alert(xmlHttp.responseText+" :: "+$val);
		document.getElementById('frd_chk'+$pos).value=xmlHttp.responseText;
	  }
    }
	xmlHttp.open("GET","./fraud_chk.php?pos="+$pos+"&val="+$val,true);
	xmlHttp.send(null);
}