function firefoxButton() {
	if(navigator.appName=="Microsoft Internet Explorer") {
		var elem, divID = "get_firefox";
		if (document.getElementById)
			elem = document.getElementById(divID);
		else if (document.all)
			elem = document.all[divID];
		else if (document.layers)
			elem = document.layers[divID];
		elem.style.display = "block";
	}
}