var bName=navigator.appName; 
var bVer=parseInt(navigator.appVersion); 
var NS4=(bName=="Netscape" && bVer>=4); 
var IE4=(bName=="Microsoft Internet Explorer" && bVer>=4);
if (!IE4) var W3C=(document.getElementById);
var ebene,mouseo=0,y=0;
var ebenesicht=277;

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_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_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.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];}
}

function div_start(div_name) {
  if (W3C) {
  	ebene=eval(document.getElementById(div_name).style);
  	ebenehoehe=document.getElementById(div_name).offsetHeight;
  	if (ebenehoehe>ebenesicht) {
  	  document.getElementById('up').style.visibility='visible';
  	  document.getElementById('down').style.visibility='visible';
  	}
  	x=10;
    v=10;
  }
  else {
  if (NS4) {
    ebene=eval("document."+div_name);
    ebenehoehe=ebene.clip.height;
    if (ebenehoehe>ebenesicht) {
      document.up.visibility="show";
      document.down.visibility="show";
    }
    x=3;
    v=10;
  }
  if (IE4) {
    ebene=eval("document.all."+div_name+".style");
    ebenehoehe=(document.all.textlayer.offsetHeight);
    if (ebenehoehe>ebenesicht) {
      document.all.up.style.visibility="visible";
      document.all.down.style.visibility="visible";
    }
    x=3;
    v=10;
  }
  }
  initpos=parseInt(ebene.top);
  clipebene(parseInt(ebene.top));
  if (NS4) ebene.visibility="show";
  if (IE4) ebene.visibility="visible";
  if (W3C) document.getElementById(div_name).style.visibility='visible';
}
function speedup() {
  x=x*3;
  y=1;
}
function clipebene(toppos) {
  oben=initpos-toppos;
  if (NS4) {
    ebene.clip.top=oben;
    ebene.clip.bottom=oben+ebenesicht;
  }
  if (IE4 || W3C) {
    ebene.clip="rect(" + oben + ",auto," + (oben+ebenesicht) + ",auto)";
  }
  return;
}

function laystart() {
  mouseo=1;
}
function layup() {
  if (mouseo==1) {
    ebene.toppos=parseInt(ebene.top);
    ebene.toppos-=x;
    if (ebene.toppos+ebenehoehe>initpos+ebenesicht) {
      ebene.top=ebene.toppos;
      clipebene(ebene.toppos);
    }
    setTimeout("layup()",v);
  }
}

function laydown() {
  if (mouseo==1) {
    ebene.toppos=parseInt(ebene.top);
    ebene.toppos+=x;
    if (ebene.toppos<initpos) {
      ebene.top=ebene.toppos;
      clipebene(ebene.toppos);
    }
    setTimeout("laydown()",v);
  }
}
function laystop() {
  mouseo=0;
  y=1;
  if (y==1) {
    x=x/3;
    y=0;
  }
}

var win = null;
function NewWindow(mypage,myname,w,h,scroll){
LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
settings ='height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable'
win = window.open(mypage,myname,settings)
if(win.window.focus){win.window.focus();}
}

function showsub(sublay) {
	hidesub();
	document.getElementById(sublay).style.visibility='visible';
}
function hidesub() {
	for (i=1; i<=4; i++) {
	  navilayer='subnavi' + i;
	  document.getElementById(navilayer).style.visibility='hidden';
	}
}