js调取打印机打印页面

<input id="btnPrint" type="button" class="submit" value="   打    印    " onclick="myPrint()" />

<style type="text/css">
        @media print
        {
            INPUT
            {
                display: none;
            }
        }
    </style>
     <script type="text/javascript">

         function myPrint() {
             window.print();

         }
    </script>