var xmlHttp

function GetAndCheckIsNumber(str)
{
if (str.length==0)
  { 
  document.getElementById("countrycode").innerHTML="wait";
  return;
  }
  else
  {
	  document.getElementById("countrycode").innerHTML="wait";
	  }
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="../images/code/countrycode.asp";
url=url+"?countrycode="+str;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
} 

function stateChanged() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("countrycode").innerHTML=xmlHttp.responseText;
document.getElementById("tel1 code").value=xmlHttp.responseText;
CheckIsNum('tel1 code','','NisNum','tel1');
document.getElementById("countrycode2").innerHTML=xmlHttp.responseText;
document.getElementById("tel2 code").value=xmlHttp.responseText;
CheckIsNum('tel2 code','','NisNum','tel2');
document.getElementById("countrycode3").innerHTML=xmlHttp.responseText;
document.getElementById("fax code").value=xmlHttp.responseText;
CheckIsNum('fax code','','NisNum','fax');
document.getElementById("countrycode4").innerHTML=xmlHttp.responseText;
document.getElementById("mob code").value=xmlHttp.responseText;
CheckIsNum('mob code','','NisNum','mob');
}
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}