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; }");
}  else if(document.styleSheets[0].insertRule) {
	//for Mozilla
	document.styleSheets[1].insertRule("#modify { display: none; }", document.styleSheets[1].cssRules.length);
}