/////////////////////////////////
//
//  filename : lib.js
//  last     : 31.05.02
//  javascript library
//
//  author   : www.netzteil.com
//  mailto   : info@netzteil.com
//
/////////////////////////////////

var dom = (document.getElementById) ? 1 : 0;
var nn4 = (document.layers) ? 1 : 0;

if(!top.SabineFrame) top.location.href = "./?" + self.location.href;

if(document.images)
{
 var dir = "pix/icons/";
 img1 = new Image(); img1.src = dir + "naus.gif";
 img1an = new Image(); img1an.src = dir + "nan.gif";
}

// working class
function getName(name)
{
 name += "";
 if(name.indexOf("img") == -1) name = "img" + name;
 return name;
}

function getNavi(){if(top.navi.document.location.href.indexOf('navi.html')==-1)top.navi.document.location.href='navi.html';}

function on(name)
{
 name = getName(name);
 if(document.images) document[name].src = self[name + "an"].src ;
}

function off(name)
{
 name = getName(name);
 if(document.images) document[name].src = self[name].src ;
}