function doLeave() { 
  document.calcsubmit.btnCallCalc.focus();
}

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 Netscape 7 or higher.<P>";
  }
  if ( IEMAC ) {
    return "Internet Explorer for Macintosh is unable to support our detailed reports.  Please use Safari or Firefox.<P>";
  }

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

}

function openNote(){ 
  leftpos=0;
  if (screen) {
    leftpos=screen.width/2 - 480;
 }

  var OpenWindow = window.open("","_blank","toolbar=yes,menubar=yes,location=no,directories=no,status=no,scrollbars=yes,resizable=yes,copyhistory=no,width=960,height="+(screen.height-170)+",left="+leftpos+",top=5");

  if (navigator.userAgent.toLowerCase().indexOf('chrome') > -1)
    setTimeout(function(){openContinue(OpenWindow)},100);
  else
    openContinue(OpenWindow);
}

function openContinue(OpenWindow){
  var s = " ";
  s=document.calculator.sJavaScriptReport('HTML');
  OpenWindow.document.write(s);
  OpenWindow.document.close();
  OpenWindow.focus();
}