// JavaScript Document

function getRequestObject() {
  var req_obj;

  if (window.XMLHttpRequest)
  {try {req_obj = new XMLHttpRequest();
    } catch(e) { req_obj = null;}}
  else
  { try {req_obj  = new ActiveXObject("Msxml2.Xmlhttp");}
    catch(e) {
      try {req_obj  = new ActiveXObject("Microsoft.XMLHTTP"); }
      catch (e) {req_obj = null;}
    }
  }
  if (req_obj == null)
  {alert ('Ihr Browser unterstützt leider nicht die benötigte Technik!');}
  
  return req_obj;
}


function statehandler() {

if(request_object.readyState == 4) {
	
	var daten = request_object.responseText;
	//alert(document.getElementById('1').innerHTML+' '+daten);
	document.getElementById('1').innerHTML += daten;
	
	}

} 

function zeigen(xr) {
    request_object = getRequestObject();
	request_object.onreadystatechange = statehandler;
	//request_object.open('get','php/bild2.php?sh='+document.documentElement.clientHeight +'&sw='+(document.body.offsetWidth)+'&src='+xr);
	
	request_object.open('get','php/bild2.php?sh='+document.documentElement.scrollHeight +'&sw='+(document.body.offsetWidth)+'&src='+xr);
	
	request_object.send(null);
	
	
}


function weg() {
	var node = document.getElementById("box").firstChild;
	clear = document.getElementById("box").removeChild(node);
	var node = document.getElementById("box").firstChild;
	clear = document.getElementById("box").removeChild(node);
	var node = document.getElementById("1").lastChild;
	clear = document.getElementById("1").removeChild(node);
	
	
  
  }