function showBlock(blockId)
{
document.getElementById(blockId).style.display = "block";
}

function bookmark(url,title) {
	if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)) {
		window.external.AddFavorite(url,title);
	} else if (navigator.appName == "Netscape") {
		window.sidebar.addPanel(title,url,"");
	} else alert("Press CTRL-D (Netscape) or CTRL-T (Opera) to bookmark");
}