var request = null;

function initReq(reqType,url,bool,respHandle){
    try{
		
		
		//request.onreadystatechange=respHandle; Wirft error im ie7, da er das element, wenn es nicht gesetzt ist nicht findet. firefox ignoriert das und fürht den code weiter aus!!	
		if (typeof(respHandle) == "function") { request.onreadystatechange=respHandle; }
		
		request.open(reqType,url,bool);
	  
        if(reqType.toLowerCase() == "post") {
            request.setRequestHeader("Content-Type",
                        "application/x-www-form-urlencoded; charset=UTF-8");
            request.send(arguments[4]);
        }   else {
            request.send(null);
        }

    } catch (errv) {
        alert(
                "The application cannot contact "+
                "the server at the moment. "+
                "Please try again in a few seconds.\n"+
                "Error detail: "+errv.message);
    }
}

function httpRequest(reqType,url,asynch,respHandle){
    
    if(window.XMLHttpRequest){
        request = new XMLHttpRequest();
    } else if (window.ActiveXObject){
        request=new ActiveXObject("Msxml2.XMLHTTP");
        if (! request){
            request=new ActiveXObject("Microsoft.XMLHTTP");
        }
    }
  
    if(request)  {
        
        if(reqType.toLowerCase() != "post") {
            initReq(reqType,url,asynch,respHandle);
        }  else {
            //the POSTed data
            var args = arguments[4];
            if(args != null && args.length > 0){
                initReq(reqType,url,asynch,respHandle,args);
            }
        }
    }  else {
        alert("Your browser does not permit the use of all "+
              "of this application's features!");}
}