fwiz.js font size:
C# source: fontwiz.aspx   fwiz.js   
<!--
//var ie4up = ( ( navigator.appName == "Microsoft Internet Explorer" ) && ( parseInt ( navigator.appVersion ) >= 4  ) );
//if ( ie4up ) { window.onload = resetStuff };

window.onload = resetStuff;
document.onclick = chgSelected;

function resetStuff ( ) {
   var colSel = document.all.tags ( "select" )
   for ( i = 0; i < colSel.length; i ++ ) {
      colSel.item ( i ).selectedIndex = colSel.item ( i ).defaultSelected;
   }
}

function chgSelected ( ) {
   var objSrc = window.event.srcElement;
   if ( objSrc.tagName == "label" ) {
      if ( document.all ( objSrc.htmlFor ).selectedIndex < document.all ( objSrc.htmlFor ).options.length - 1 ) {
         document.all ( objSrc.htmlFor ).selectedIndex ++;
      }
      else {
         document.all ( objSrc.htmlFor ).selectedIndex = 0;
      }
      chgFont ( );
   }
}

function showID ( ) {
   objSrc = window.event.srcElement;
   window.status = objSrc.tagName + ", " + objSrc.id + ", " + objSrc.className;
}

function chgFont ( ) {
   var sStyle = fStyle.options ( fStyle.selectedIndex ).value;
   var sVariant = fVariant.options ( fVariant.selectedIndex ).value;
   var sWeight = fWeight.options ( fWeight.selectedIndex ).value;
   var sSize = fSize.options ( fSize.selectedIndex ).value;
   var sFamily = fFamily.options ( fFamily.selectedIndex ).value;
   theDiv.style.fontStyle = sStyle;
   theDiv.style.fontVariant = sVariant;
   theDiv.style.fontWeight = sWeight;
   theDiv.style.fontSize = sSize + "pt";
   theDiv.style.fontFamily = sFamily;
   theSyntax.innerText = "Syntax { font: " + sStyle + " " + sVariant + " " + sWeight + " " + sSize + "pt " + sFamily + " }";
}
//-->