function showbuttons() {

    var agt       = navigator.userAgent.toLowerCase();
    var IEMAC     = ((agt.indexOf("msie") != -1) && agt.indexOf("mac")!=-1);
    var N6        = (agt.indexOf("netscape6") != -1 || (agt.indexOf("netscape/6") !=-1 ));

    if ( N6 ) {
      return "<p>Netscape 6 is unable to support our detailed reports.  Please upgrade to Nescape 7.</p>";
    }
    if ( IEMAC ) {
      return "";
    }

    return "<div id='calc-buttons'><a href='#' onclick='document.calculator.calculate(); return false;'><img src='/images/calculate.gif' alt='Calculate' width='105' height='30' /></a> <a href='#' onclick='openNote(); return false;'><img src='/images/view-report.gif' alt='View Report' width='125' height='30' /></a></div>";
}

function openNote()
 {

 var agt=navigator.userAgent.toLowerCase();
 var is_aol   = (agt.indexOf("aol") != -1);

 leftpos=0;
 if (screen) {
   leftpos=screen.width/2 - 300;
 }

 if (is_aol) {
   var s = " ";
   s=document.calculator.sJavaScriptReport('HTML');
    document.write(s);
 }
 else {
   var OpenWindow=window.open("","newwin","toolbar=yes,menubar=yes,location=no,directories=no,status=no,scrollbars=yes,resizable=yes,copyhistory=no,width=600,height=380,left="+leftpos+",top=20");
   var s = " ";
   s=document.calculator.sJavaScriptReport('HTML');
   OpenWindow.document.write(s);
   OpenWindow.document.close();
   OpenWindow.focus();
 }
 }