function installSearchEngine() {
	if (window.external && ("AddSearchProvider" in window.external)) {
		window.external.AddSearchProvider("http://" + location.hostname + "/xml/opensearch.xml");
	}
}
function homepage() {
	if(document.all)
		document.body.style.behavior='url(#default#homepage)';
	document.body.setHomePage("http://" + location.hostname + "/");
}