Help with realization of a code by "change" event

Question

The form is developed in Live Cycle 9
There is the following code:
var str = rawValue;
var FIO = str.split (' ');
var a = FIO.length
switch (a) {
case 2:{
        FIO [0] = FIO [0].charAt (0).toUpperCase () + FIO [0].substr (1);
        FIO [1] = FIO [1].charAt (0).toUpperCase () + FIO [1].substr (1);
    rawValue = FIO.join (' ');
          break;
     case 3:{
        FIO [0] = FIO [0].charAt (0).toUpperCase () + FIO [0].substr (1);
        FIO [1] = FIO [1].charAt (0).toUpperCase () + FIO [1].substr (1);
        FIO [2] = FIO [2].charAt (0).toUpperCase () + FIO [2].substr (1);
   rawValue = FIO.join (' ');
                break;
case 4:{
        FIO [0] = FIO [0].charAt (0).toUpperCase () + FIO [0].substr (1);
        FIO [1] = FIO [1].charAt (0).toUpperCase () + FIO [1].substr (1);
        FIO [2] = FIO [2].charAt (0).toUpperCase () + FIO [2].substr (1);
        FIO [3] = FIO [3].charAt (0) + FIO [3].substr (1);
    rawValue = FIO.join (' ');
           break;
  default:
    rawValue = str;  
This code works on "exit" event (transfers the first symbols of the first three words to the top register, input of all text happens in the bottom register). How to make the given functionality on "change" event. It is necessary that at once at text input in the field the first symbols of the first those words were removed in the top register.

Answer 1

I need something like these:
<field name="Strachovatel" y="8.65mm" x="3.65mm" w="170mm" h="10mm">
            <ui>
               <textEdit>
                  <border>
                     <?templateDesigner StyleID aped3?>
                     <edge stroke="lowered"/>
                  </border>
                  <margin/>
               </textEdit>
            </ui>
            <font typeface="Myriad Pro"/>
            <margin topInset="1mm" bottomInset="1mm" leftInset="1mm" rightInset="1mm"/>
            <para vAlign="middle"/>
            <caption reserve="45.707mm">
               <para vAlign="middle"/>
               <value>
                  <text>toUpperCase</text>
               </value>
            </caption>
            <event activity="change" name="event__change">
               <script contentType="application/x-javascript">
if (xfa.event.newText.length &gt;xfa.event.prevText.length &amp;&amp;xfa.event.change.length == 1)
xfa.event.change = xfa.form.topmostSubform.variables.Validation.VerchReg(xfa.event.change);
else
xfa.event.change = "";
</script>
            </event>
         </field>
   <?templateDesigner expand 1?></subform>
      <proto/>
      <desc>
         <text name="version">9.0.0.2.20120627.2.874785</text>
      </desc>
      <?templateDesigner Hyphenation excludeInitialCap:1, excludeAllCaps:1, wordCharCnt:7, remainCharCnt:3, pushCharCnt:3?>
      <variables>
         <script contentType="application/x-javascript" name="Validation">
var first=true;
function VerchReg(newsymbol)
var re = /[А-Яа-я-" "]/;
if (re.test(newsymbol))
if (newsymbol==" ")
  first=true;
  return newsymbol;
if (first)
first=false;
return newsymbol.toUpperCase();
else
return newsymbol;
else
return "";
</script>
         <?templateDesigner expand 1?></variables>
      <?templateDesigner expand 1?></subform>
Here only the first character of all words are written in upper case, and we need only the first three words.