//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";
	}
}


// blättern bei gallerys
function f_gallery_page(c_id, show_page, pages) {

	var hide_id, show_id;

	for (i=1; i<=pages; i++)
	{
		if (i != show_page)
		{
			hide_id = 'gallery_' + c_id + '_' + i;
			//alert('Hide: ' + hide_id);
			document.getElementById(hide_id).style.display = 'none';
		}
	}

	show_id = 'gallery_' + c_id + '_' + show_page;
	//alert('Show: ' + show_id);
	document.getElementById(show_id).style.display = 'block';

}