MediaWiki:Gadget-toolbaralert3.js

( function( $, mw ) {
$(document).ready(function() {
	//$( '.usermessage' ).hide();
	var newMsgRevisionId = mw.config.get( 'wgUserNewMsgRevisionId' );
	if ( newMsgRevisionId ) {
		$( '#pt-mytalk a' ).append( ':&#160;<span id="mw-echo-alert">You have new messages</span>' );
		$( '#pt-mytalk a' ).css( {
			'border-radius': '3px',
			'background-color': '#F9BB69',
			'padding': '4px 15px',
			'color': '#252525'
		} );
	}
} );
} )( jQuery, mediaWiki );