var xmlhttp=false;
function Herbouw(){
xmlhttp=false;
/*@cc_on @*/
/*@if (@_jscript_version >= 5)
// JScript gives us Conditional compilation, we can cope with old IE versions.
// and security blocked creation of the objects.
 try {
  xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
 } catch (e) {
  try {
   xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  } catch (E) {
   xmlhttp = false;
  }
 }
@end @*/
if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
	try {
		xmlhttp = new XMLHttpRequest();
	} catch (e) {
		xmlhttp=false;
	}
}
if (!xmlhttp && window.createRequest) {
	try {
		xmlhttp = window.createRequest();
	} catch (e) {
		xmlhttp=false;
	}
}
}
function KleineLetters(letters)
{	
	return letters.toLowerCase();
}
function isNumberKey(evt)  //onkeypress="return isNumberKey(event)"
{
 var charCode = (evt.which) ? evt.which : event.keyCode
 if (charCode > 31 && (charCode < 48 || charCode > 57))
	return false;

 return true;
}
function AjaxContact(Url,Method,Tracker)
{
	Herbouw();
	var Type;
	var Response;
	if(KleineLetters(Method) == "post"){
		Type = "POST";
	}else{
		Type = "GET";
	}
	xmlhttp.open(Type, Url,true);
 	xmlhttp.onreadystatechange=function() {
  		if (xmlhttp.readyState==4){
			if (typeof AjaxAntwoord=="function"){
				AjaxAntwoord(xmlhttp.responseText,Tracker);
			}
  			}
	}
	xmlhttp.send(null);
}
function replacePlus(i) {
	var s = i;
    return s.replace('+','<plussign>');
 }