//grosses bild onclick
function do_pic(x) {
	if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion)  <= 4 )){
		document.layerbg.document.gross.document.step.src = "/_pix/step/" + x + ".jpg";
	} else {
		document.step.src = "/_pix/step/" + x + ".jpg";
	}
}

function hideLayer(n) {
		//alert(n);
	if (ng5) {
		document.getElementById('layer' + n).style.visibility = "hidden";
		document.getElementById('layer' + n).style.display = "none";
	} else if (ns4) {
		document.layers["layer" + n].visibility = "hide";
		document.layers["layer" + n].display = "none";
	} else if (ie4) {
		document.all["layer" + n].style.visibility ="hidden";
		document.all["layer" + n].style.display = "none";
	}
}

function showLayer(n) { 
	//hideLayer(); 
	if (ng5) {
		document.getElementById('layer' + n).style.visibility = "visible"; 
		document.getElementById('layer' + n).style.display = "block";
	} else if (ns4) { 
		document.layers["layer" + n].visibility = "show"; 
		document.layers["layer" + n].display = "block"; 
	} else if (ie4) {
		document.all["layer" + n].style.visibility = "visible";
		document.all["layer" + n].style.display = "block";
	}
}


function showFlag(lang){
	preview_name = "flag_" + lang;
	document.images[preview_name].src = "/_pix/"+lang+"01.gif";
}

function hideFlag(lang){
	preview_name = "flag_" + lang;
	document.images[preview_name].src = "/_pix/"+lang+"02.gif";
}