Printing web page programmatically in Java

<link rel="stylesheet" type="text/css" media="print" href="print.css" />

<script>
    function printPage() {
        window.print();
    }
</script>

<form>
<input TYPE="button" onClick="printPage()">
</form>

<input TYPE="button" onClick="window.print()">

<style>
    div.tool {
        page-break-before: always
    }
</style>

<div class="tool" id="tool1">
...
</div>
<div class="tool" id="tool2">
...
</div>