if(0 < YAHOO.env.ua.ie && YAHOO.env.ua.ie < 8) {
	//for IE
	document.styleSheets[0].addRule("#main", "{ width: 1024px; }");
	document.styleSheets[0].addRule("#modify", "{ display: none; }");
	document.styleSheets[1].addRule("#info-push-unit", "{ top: 10px; margin: 0 0 10px 0; }");
	if(YAHOO.env.ua.ie < 7) {
		document.styleSheets[1].addRule("#info-other-unit", "{ filter: alpha(opacity=75); }");
	}
}  else if(document.styleSheets[0].insertRule) {
	//for Mozilla
	document.styleSheets[1].insertRule("#modify { display: none; }", document.styleSheets[0].cssRules.length);
	document.styleSheets[1].insertRule("#info-push-unit { top: 10px; margin: 0 0 10px 0; }", document.styleSheets[0].cssRules.length);
}