if(YAHOO.env.ua.ie && YAHOO.env.ua.ie < 9) {
	//for IE
	//document.styleSheets[0].addRule("#menu", "visibility: hidden;");
	document.styleSheets[1].addRule("#rss", "display: none;");
	document.styleSheets[1].addRule("#label", "visibility: hidden;");
	document.styleSheets[1].addRule("#information", "display: none;");
} else if(document.styleSheets[0].insertRule) {
	//for Safari 2.x
	if(YAHOO.env.ua.webkit != 0 && YAHOO.env.ua.webkit < 522) {
		document.write('<style type="text/css">#rss { display: none; }</style>');
		document.write('<style type="text/css">#label { visibility: hidden; }</style>');
		document.write('<style type="text/css">#information { display: none; }</style>');
	}
	
	//for Mozilla
	//if(YAHOO.env.ua.webkit == 0) document.styleSheets[0].insertRule("#menu { visibility: hidden; }", document.styleSheets[0].cssRules.length);
	document.styleSheets[1].insertRule("#rss { display: none; }", document.styleSheets[1].cssRules.length);
	document.styleSheets[1].insertRule("#label { visibility: hidden; }", document.styleSheets[1].cssRules.length);
	document.styleSheets[1].insertRule("#information { display: none; }", document.styleSheets[1].cssRules.length);
}