if (document.images) {
	Ix_01_01 = new Image(102, 30);Ix_01_01.src = 'gfx/x_01_01.gif';
	Ix_01_01o = new Image(102, 30);Ix_01_01o.src = 'gfx/x_01_01_over.gif';
	Ix_01_02 = new Image(134, 30);Ix_01_02.src = 'gfx/x_01_02.gif';
	Ix_01_02o = new Image(134, 30);Ix_01_02o.src = 'gfx/x_01_02_over.gif';
	Ix_01_03 = new Image(95, 30);Ix_01_03.src = 'gfx/x_01_03.gif';
	Ix_01_03o = new Image(95, 30);Ix_01_03o.src = 'gfx/x_01_03_over.gif';
	Ix_01_04 = new Image(155, 30);Ix_01_04.src = 'gfx/x_01_04.gif';
	Ix_01_04o = new Image(155, 30);Ix_01_04o.src = 'gfx/x_01_04_over.gif';
	Ix_01_05 = new Image(114, 30);Ix_01_05.src = 'gfx/x_01_05.gif';
	Ix_01_05o = new Image(114, 30);Ix_01_05o.src = 'gfx/x_01_05_over.gif';
	logo = new Image(100, 100);logo.src = 'gfx/logo.gif';
	lprofil = new Image(100, 100);lprofil.src = 'gfx/lprofil.jpg';
	lprobe = new Image(100, 100);lprobe.src = 'gfx/lprobe.jpg';
	ltfeld = new Image(100, 100);ltfeld.src = 'gfx/ltfeld.jpg';
	lanalyse = new Image(100, 100);lanalyse.src = 'gfx/lanalyse.jpg';

	Ix_01_01_en		= new Image(102, 30);	Ix_01_01_en.src		= 'gfx/x_01_01_en.gif';
	Ix_01_01o_en	= new Image(102, 30);	Ix_01_01o_en.src	= 'gfx/x_01_01_over_en.gif';
	Ix_01_02_en		= new Image(134, 30);	Ix_01_02_en.src		= 'gfx/x_01_02_en.gif';
	Ix_01_02o_en	= new Image(134, 30);	Ix_01_02o_en.src	= 'gfx/x_01_02_over_en.gif';
	Ix_01_03_en		= new Image(95, 30);	Ix_01_03_en.src		= 'gfx/x_01_03_en.gif';
	Ix_01_03o_en	= new Image(95, 30);	Ix_01_03o_en.src	= 'gfx/x_01_03_over_en.gif';
	Ix_01_04_en		= new Image(180, 30);	Ix_01_04_en.src		= 'gfx/x_01_04_en.gif';
	Ix_01_04o_en	= new Image(180, 30);	Ix_01_04o_en.src	= 'gfx/x_01_04_over_en.gif';
	Ix_01_05_en		= new Image(114, 30);	Ix_01_05_en.src		= 'gfx/x_01_05_en.gif';
	Ix_01_05o_en	= new Image(114, 30);	Ix_01_05o_en.src	= 'gfx/x_01_05_over_en.gif';
}

function di(id,name){
	if (document.images) {document.images[id].src=eval(name+".src"); }
}

if (document.layers){
	ns = 1; ie = 0; 
} else{
	ns = 0; ie = 1;
}
var i = 1;
var test = "demo";

function zeigeEbeneNr(ebene_nr){
	verbergen(eval('"' + test + i +'"'));
	zeigen(eval('"' + test + ebene_nr +'"'));
	i = ebene_nr;
}

function zeigen(name){
	if (ns) {
		document.layers[''+name].visibility = "show";
	} else {
		document.all[''+name].style.visibility = "visible"
	}
}

function verbergen(name){
	if (ns){
		document.layers[''+name].visibility = "hide"
	} else {
		document.all[''+name].style.visibility = "hidden"
	}
}

function showImpressum(a){
	if (a=="_en") window.open("impress_en.htm","Impressum","width=400,height=250,screenX=200,screenY=200,status=no,locationbar=no,menuebar=no,resizeable=no")
	else window.open("impress.htm","Impressum","width=400,height=250,screenX=200,screenY=200,status=no,locationbar=no,menuebar=no,resizeable=no")
}

function Flagge() {	
	var link1 = document.URL;
	var erg1 = link1.search(/.htm/);
	if (erg1 == -1) {link1 = link1+"index.htm";}
	var erg = link1.search(/_en/);
	if (erg != -1){
		document.flag.src="./gfx/flag_de.jpg";
		var link = link1.replace(/_en/,"");
		var text = "Diese Seite in Deutsch betrachen...";
	}
	else {
		document.flag.src="./gfx/flag_en.jpg";
		var link = link1.replace(/.htm/,"_en.htm");
		var text = "view this page in english...";
	}
	var lang = document.links.length;
	document.links[lang-1].href=link;
	document.links[lang-1].alt=text;
}