// Scrolling with two different layers
var dom = document.getElementById?1:0;
var ns4 = document.layers?1:0;

onResize = loadAgain;

function loadAgain() {

if (ns4)
self.location.reload();
}


function InitScrolling1(layerframe,layersheet) {

 if (dom) {
 layer1 = document.getElementById("nav1frame").getElementsByTagName("div");
 layer1['nav1'].style.visibility = "visible";
 layer1['nav1'].style.top = 0;
 }
 else if(ns4) {
 layer1 = "document['nav1frame'].document";
 eval(layer1 + "['nav1']" + '.visibility = "visible"');
 eval(layer1 + "['nav1']" + '.top = -15');
 }
}

function InitScrolling2() {

 if (dom) {
 layer2 = document.getElementById("nav2frame").getElementsByTagName("div");
 layer2['nav2'].style.visibility = "visible";
 layer2['nav2'].style.top = 0;
 }
 else if(ns4) {
 layer2 = "document['nav2frame'].document";
 eval(layer2 + "['nav2']" + '.visibility = "visible"');
 eval(layer2 + "['nav2']" + '.top = -15');
 }
}

function InitScrolling3() {

 if (dom) {
 layer3 = document.getElementById("textframe").getElementsByTagName("div");
 layer3['text'].style.visibility = "visible";
 layer3['text'].style.top = 0;
 }
 else if(ns4) {
 layer3 = "document['textframe'].document";
 eval(layer3 + "['text']" + '.visibility = "visible"');
 eval(layer3 + "['text']" + '.top = -15');
 }
}


function DoScroll(layerframe,layersheet,speed) {

 layer = layer3;
 if(layersheet == "nav1") layer = layer1;
 if(layersheet == "nav2") layer = layer2;
 

 if (dom) {
 var layertop = parseInt(layer[layersheet].style.top);
 var scrollheight = (document.getElementById(layerframe).offsetHeight - layer[layersheet].offsetHeight);
 }
 else if (ns4) {
 var layertop = parseInt(document[layerframe].document[layersheet].top);
 var scrollheight = (document[layerframe].clip.height - document[layerframe].document[layersheet].clip.height);
 }

 if (speed > 0 && layertop > scrollheight) {

  if (dom) 
  layer[layersheet].style.top = (layertop - speed) + "px";

  else if(ns4) 
  document[layerframe].document[layersheet].top = (layertop - speed);
 }

 else if (speed < 0 && layertop < 0 ) {

  if(dom)
  layer[layersheet].style.top = (layertop - speed) + "px";

  else if(ns4)
  document[layerframe].document[layersheet].top = (layertop + speed);
 }

timer = setTimeout("DoScroll('" + layerframe + "','" + layersheet +"'," + speed + ")", 25);
}

function StopScroll() {
    clearTimeout(timer);
}








// Imagechange and Preload
function MM_preloadImages() { //v3.0
	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_swapImgRestore() { //v3.0
	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_findObj(n, d) { //v4.01
	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() { //v3.0
	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];}
}









// Imagezoom
function ChangePic (bild,id) {
//	MM_preloadImages(bild);

	var foto = new Image();
	foto.src = bild;

	var neuesbild = document.getElementById(id);
	neuesbild.src = foto.src;
	neuesbild.width = foto.width;
	neuesbild.height = foto.height;
	
	document.getElementById('piczoom').style.visibility = 'visible';
}