// JavaScript Document

	var d = document;
	var n = navigator;
	var na = n.appVersion;
	var nua = n.userAgent;
	var win = ( na.indexOf( 'Win' ) != -1 );
	var mac = ( na.indexOf( 'Mac' ) != -1 );
	var lin = ( nua.indexOf( 'Linux' ) != -1 );
	
	var dom = ( d.getElementById );
	var op = ( nua.indexOf( 'Opera' ) != -1 );
	var konq = ( nua.indexOf( 'Konqueror' ) != -1 );
	var saf = ( nua.indexOf( 'Safari' ) != -1 );
	var moz = ( nua.indexOf( 'Gecko' ) != -1 && !saf && !konq);
	var ie = ( d.all && !op );
	var ie4 = ( ie && !dom );