function MM_swapImgRestore() {
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() {
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) {
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() {
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function fenster(url,name,breite,hoehe)
 {
   var win;
     win=window.open(url,name,"width="+breite+",height="+hoehe+",resizable=no,scrollbars=0,menubar=no,locationbar=no,status=no,toolbar=no");
     win.screenX=screen.width/2-breite/2;
     win.screenX=screen.height/2-hoehe/2;
 }
 
 function ftext(form)
{
	var ft;
	insert("[b]", "[/b]", form);	
}

function utext(form)
{
	var ut;
	insert("[u]", "[/u]", form);	
}

function itext(form)
{
	var it;
	insert("[i]", "[/i]", form);	
}

function img(form)
{
	var img;
	var imgt;
	img = prompt("Bild URL eingeben", "");
	insert("[img="+img+"]", "[/img]", form);	
}

function ilink(form)
{
	var il;
	var ilt;
	il = prompt("Link eingeben", "");
	insert("[link="+il+"]", "[/link]", form);	
}

function elink(form)
{
	var el;
	var elt;
	el = prompt("Link eingeben", "http://");
	insert("[url="+el+"]", "[/url]", form);
}

function insert(aTag, eTag, form) {
  var input = document.getElementById(form);
  input.focus();
  /* für Internet Explorer */
  if(typeof document.selection != 'undefined') {
    /* Einfügen des Formatierungscodes */
    var range = document.selection.createRange();
    var insText = range.text;
    range.text = aTag + insText + eTag;
    /* Anpassen der Cursorposition */
    range = document.selection.createRange();
    if (insText.length == 0) {
      range.move('character', -eTag.length);
    } else {
      range.moveStart('character', aTag.length + insText.length + eTag.length);      
    }
    range.select();
  }
  /* für neuere auf Gecko basierende Browser */
  else if(typeof input.selectionStart != 'undefined')
  {
    /* Einfügen des Formatierungscodes */
    var start = input.selectionStart;
    var end = input.selectionEnd;
    var insText = input.value.substring(start, end);
    input.value = input.value.substr(0, start) + aTag + insText + eTag + input.value.substr(end);
    /* Anpassen der Cursorposition */
    var pos;
    if (insText.length == 0) {
      pos = start + aTag.length;
    } else {
      pos = start + aTag.length + insText.length + eTag.length;
    }
    input.selectionStart = pos;
    input.selectionEnd = pos;
  }
  /* für die übrigen Browser */
  else
  {
    /* Abfrage der Einfügeposition */
    var pos;
    var re = new RegExp('^[0-9]{0,3}$');
    while(!re.test(pos)) {
      pos = prompt("Einfügen an Position (0.." + input.value.length + "):", "0");
    }
    if(pos > input.value.length) {
      pos = input.value.length;
    }
    /* Einfügen des Formatierungscodes */
    var insText = prompt("Bitte geben Sie den zu formatierenden Text ein:");
    input.value = input.value.substr(0, pos) + aTag + insText + eTag + input.value.substr(pos);
  }
}

var http_request = false;

function makeRequest(url, element) {

    http_request = false;

	if (window.XMLHttpRequest) { // Mozilla, Safari,...
        http_request = new XMLHttpRequest();
        if (http_request.overrideMimeType) {
        	http_request.overrideMimeType('text/xml');
        }
    } else if (window.ActiveXObject) { // IE
        try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                 http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
    }

    if (!http_request) {
         alert('Giving up :( Cannot create an XMLHTTP instance');
         return false;
    }
	var obj = document.getElementById(element);
	obj.innerHTML = '<p id="p_loading"><img src="bilder/loading.gif"></p>';

//                http_request.onreadystatechange = alertContents;
    http_request.onreadystatechange = function () {
		if (http_request.readyState == 4) {
	    	if (http_request.status == 200) {
				obj.innerHTML = http_request.responseText;
	        } else {
	             alert('There was a problem with the request.');
	        }
		}
    } 				
    http_request.open('GET', url, true);
    http_request.send(null);

}