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

function addEngine(name,ext,cat,type)
{
	if ((typeof window.sidebar == "object") && (typeof window.sidebar.addSearchEngine == "function"))
	{
		//cat="Web";
		//cat=prompt('In what category should this engine be installed?','Web')

		window.sidebar.addSearchEngine(
			"http://data.linkhack.com/"+name+".src",
			"http://data.linkhack.com/"+name+"."+ext, name, cat );
	}
	else
	{
		errorMsg();
	}
}