<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2007/12/28/changing-the-default-calendar-icon-in-a-flex-datefield-control/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="top"
        backgroundColor="white" viewSourceURL="srcview/index.html">

    <mx:Style>
        DateField {
            skin: Embed("clock_add.png");
            /* null the skins defined in default.css */
            upSkin: ClassReference(null);
            overSkin: ClassReference(null);
            downSkin: ClassReference(null);
            disabledSkin: ClassReference(null);
        }
    </mx:Style>

    <mx:DateField id="dateField" />

</mx:Application>