onerror = stopError;

function stopError() {
	return true;
}

lcontent = "header0";
hsafe = "header0";

function showheader(ncontent) {
	var ncontent = ncontent;
	if(ncontent != "header0"){
		hsafe = ncontent;
	}
	document.getElementById(lcontent).style.display = 'none';
	lcontent = ncontent;
	document.getElementById(lcontent).style.display = 'block';
}

function showgallery() {
	if(document.getElementById("overlay_galerie").style.display == "block"){
		document.getElementById("overlay_galerie").style.display = 'none';
	} else {
		document.getElementById("overlay_galerie").style.display = 'block';
	}
}

function showop(lyr) {
	if(document.getElementById(lyr).style.display == "block"){
		document.getElementById(lyr).style.display = 'none';
	} else {
		document.getElementById(lyr).style.display = 'block';
	}
}

function changebgimage(imgsrc,txt,hoehe){
	bild = eval("document.bigpic");
	bild.src = imgsrc;
	document.getElementById("image_info").innerHTML = "<p>"+txt+"</p>";
	//document.getElementById("galerie_big").style.backgroundImage= "url("+imgsrc+")";
	document.getElementByID("galerie_big").style.height = hoehe;
}

function hide_layer(which){
	document.getElementById(which).style.display = 'none';
}