function errorMsg()
{
	alert("Netscape 6 or Mozilla is needed to install a sherlock plugin");
}

function addEngine(name,ext,cat)
{

	if ((typeof window.sidebar == "object") && (typeof
	window.sidebar.addSearchEngine == "function"))
	{
		window.sidebar.addSearchEngine(
			"http://www.dgrigg.com/downloads/plugins/"+name+".src",
			"http://www.dgrigg.com/downloads/plugins/"+name+"."+ext,
			name,cat);
		alert('Download completed');
	}
	else
	{
		errorMsg();
	}
}