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

    return "<P class='cent'><FORM class='cent'><INPUT TYPE='button' value='Calculate' Name='btnCallCalc' onClick='document.calculator.calculate()'><INPUT TYPE='button' value='View Report' Name='btnOpenNote' onClick='openNote()'></FORM></p>";
}

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="+(screen.height-100)+",left="+leftpos+",top=5");
   var s = " ";
   s=document.calculator.sJavaScriptReport('HTML');
   OpenWindow.document.write(s);
   OpenWindow.document.close(); 
   OpenWindow.focus();
 }
 }