var xmlHttp

function show(ziel,was,param){
	div = was;
	loadbar = true;
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null){
		alert ("Browser does not support HTTP Request")
		return
	}
	var url=ziel
	if (param){
		url=url+"?"+param+"&sid="+Math.random()
	}else{
		url=url+"?sid="+Math.random()
	}
	xmlHttp.onreadystatechange=aufruf
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}
function aufruf(){
	if (loadbar == true){
		//document.getElementById('loading').style.visibility = 'visible';
	}
	 switch(xmlHttp.readyState){
    	case 0:
    	case 1:
    	case 2:
    	case 3: break;
	    case 4:
	    	if (loadbar == true){
	    		//document.getElementById('loading').style.visibility = 'hidden';
	    	}
	    	document.getElementById(div).innerHTML=xmlHttp.responseText;
	    	document.getElementById(div).scrollTop = document.getElementById(div).scrollHeight;
	    	document.getElementById(div).scrollTop = 0;
	    break;
	}
}
function GetXmlHttpObject(){
	var objXMLHttp=null
	if (window.XMLHttpRequest){
		objXMLHttp=new XMLHttpRequest()
	}else if (window.ActiveXObject){
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp
}