// JavaScript Document
function getPoststed(postnr_input, sted_div, isDiv) {
	var postnr = document.getElementById(postnr_input).value;
	var url = "/lib/ajax/poststed.php?postnr="+postnr;
	var sted = document.getElementById(sted_div) ;		

	var xmlHttp ;
	xmlHttp = getAjax();

	xmlHttp.onreadystatechange=function(){
		if (xmlHttp.readyState == 4) {
			if (isDiv) {
				sted.innerHTML = xmlHttp.responseText ;		
			} else {
				sted.value 	   = xmlHttp.responseText ;
			}
				
		}
	}
	
	xmlHttp.open("GET",url,true);
  	xmlHttp.send(null);
				

}


function getAjax() {

	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;
		  }
		}
	  }
	  
	  return xmlHttp ;

}