function printpage() {
    var data = '<script>alert("Print window");</script><table border="1" cellspacing="0"><tr><td colspan="4">Sample Report</td></tr>' + document.getElementsByTagName('table')[0].innerHTML + '</table>';
    data += '<br/><button onclick="window.print()"  class="noprint">Print the Report</button>';
    data += '<style type="text/css" media="print"> .noprint {visibility: hidden;} </style>';
    myWindow = window.open('', '', 'width=800,height=600');
    myWindow.innerWidth = screen.width;
    myWindow.innerHeight = screen.height;
    myWindow.screenX = 0;
    myWindow.screenY = 0;
    myWindow.document.write(data);
    myWindow.focus();
}