function check_browser() {
		var version = 0;
		if (navigator.userAgent.indexOf ("MSIE 6") != -1 || navigator.userAgent.indexOf ("Gecko") != -1)
			document.write ("<link rel='stylesheet' href='/ua/bin/ie6.css' type='text/css' media='all' />");
		else 
			document.write ("<link rel='stylesheet' href='/ua/bin/default.css' type='text/css' media='all' />");
			return true;
	}
	check_browser();