var opened = false, vkb = null, text = null, insertionS = 0, insertionE = 0;

   var userstr = navigator.userAgent.toLowerCase();
   var isgecko = (userstr.indexOf('gecko') != -1) && (userstr.indexOf('applewebkit') == -1);

   function numpad_change()
   {
     for (i=0; i<document.forms.length;i++)
        for(b=0; b<document.forms[i].elements.length; b++)
            setup_event(document.forms[i].elements[b], "focus", focus_keyboard);
	
     document.getElementById("switch2").innerHTML = (opened ? "Show phonetics" : "Hide phonetics");
     opened = !opened;

     if(opened && !vkb)
     {
       vkb = new VATMpad("numpad",     // container's id
                         callback, // reference to the callback function
                         "",           // font name ("" == system default)
                         "18px",       // font size in px
                         "#000",       // font color
                         "#FFF",       // keyboard base background color
                         "#FFF",       // keys' background color
                         "#777",       // border color
                         true,         // show key flash on click? (false by default)
                         "#CC3300",    // font color for flash event
                         "#FF9966",    // key background color for flash event
                         "#CC3300",    // key border color for flash event
                         true,        // embed VNumpad into the page?
                         true);        // use 1-pixel gap between the keys?
	document.cookie = "showphonetics=1";

	document.getElementById('numTitle').style.display = 'block';
     }
     else {
       document.cookie = "showphonetics="+(opened == true ? "1" : "0");
       vkb.Show(opened);
     }

     /*
	text = document.getElementById("textfield");
     text.focus();

     if(document.attachEvent)
       text.attachEvent("onblur", backFocus);
	*/
   }

   function backFocus()
   {
     if(opened)
     {
       setRange(text, insertionS, insertionE);

       text.focus();
     }
   }

   // Advanced callback function:
   //
   function pad_callback(ch)
   {
     var val = text.value;

     switch(ch)
     {
       case "BackSpace":
         if(val.length)
         {
           var span = null;

           if(document.selection)
             span = document.selection.createRange().duplicate();

           if(span && span.text.length > 0)
           {
             span.text = "";
             getCaretPositions(text);
           }
           else
             deleteAtCaret(text);
         }

         break;

       default:
         insertAtCaret(text, (ch == "Enter" ? (window.opera ? '\r\n' : '\n') : ch));
     }
   }

   // This function retrieves the position (in chars, relative to
   // the start of the text) of the edit cursor (caret), or, if
   // text is selected in the TEXTAREA, the start and end positions
   // of the selection.
   //
   function getCaretPositions(ctrl)
   {
     var CaretPosS = -1, CaretPosE = 0;

     // Mozilla way:
     if(ctrl.selectionStart || (ctrl.selectionStart == '0'))
     {
       CaretPosS = ctrl.selectionStart;
       CaretPosE = ctrl.selectionEnd;

       insertionS = CaretPosS == -1 ? CaretPosE : CaretPosS;
       insertionE = CaretPosE;
     }
     // IE way:
     else if(document.selection && ctrl.createTextRange)
     {
       var start = end = 0;
       try
       {
         start = Math.abs(document.selection.createRange().moveStart("character", -10000000)); // start

         if (start > 0)
         {
           try
           {
             var endReal = Math.abs(ctrl.createTextRange().moveEnd("character", -10000000));

             var r = document.body.createTextRange();
             r.moveToElementText(ctrl);
             var sTest = Math.abs(r.moveStart("character", -10000000));
             var eTest = Math.abs(r.moveEnd("character", -10000000));

             if ((ctrl.tagName.toLowerCase() != 'input') && (eTest - endReal == sTest))
               start -= sTest;
           }
           catch(err) {}
         }
       }
       catch (e) {}

       try
       {
         end = Math.abs(document.selection.createRange().moveEnd("character", -10000000)); // end
         if(end > 0)
         {
           try
           {
             var endReal = Math.abs(ctrl.createTextRange().moveEnd("character", -10000000));

             var r = document.body.createTextRange();
             r.moveToElementText(ctrl);
             var sTest = Math.abs(r.moveStart("character", -10000000));
             var eTest = Math.abs(r.moveEnd("character", -10000000));

             if ((ctrl.tagName.toLowerCase() != 'input') && (eTest - endReal == sTest))
              end -= sTest;
           }
           catch(err) {}
         }
       }
       catch (e) {}

       insertionS = start;
       insertionE = end
     }
   }

   function setRange(ctrl, start, end)
   {
     if(ctrl.setSelectionRange) // Standard way (Mozilla, Opera, ...)
     {
       ctrl.setSelectionRange(start, end);
     }
     else // MS IE
     {
       var range;

       try
       {
         range = ctrl.createTextRange();
       }
       catch(e)
       {
         try
         {
           range = document.body.createTextRange();
           range.moveToElementText(ctrl);
         }
         catch(e)
         {
           range = null;
         }
       }

       if(!range) return;

       range.collapse(true);
       range.moveStart("character", start);
       range.moveEnd("character", end - start);
       range.select();
     }

     insertionS = start;
     insertionE = end;
   }

   function deleteSelection(ctrl)
   {
     if(insertionS == insertionE) return;

     var tmp = (document.selection && !window.opera) ? ctrl.value.replace(/\r/g,"") : ctrl.value;
     ctrl.value = tmp.substring(0, insertionS) + tmp.substring(insertionE, tmp.length);

     setRange(ctrl, insertionS, insertionS);
   }

   function deleteAtCaret(ctrl)
   {
     // if(insertionE < insertionS) insertionE = insertionS;
     if(insertionS != insertionE)
     {
       deleteSelection(ctrl);
       return;
     }

     if(insertionS == insertionE)
       insertionS = insertionS - 1;

     var tmp = (document.selection && !window.opera) ? ctrl.value.replace(/\r/g,"") : ctrl.value;
     ctrl.value = tmp.substring(0, insertionS) + tmp.substring(insertionE, tmp.length);

     setRange(ctrl, insertionS, insertionS);
   }

   // This function inserts text at the caret position:
   //
   function insertAtCaret(ctrl, val)
   {
     if(insertionS != insertionE) deleteSelection(ctrl);

     if(isgecko && document.createEvent && !window.opera)
     {
       var e = document.createEvent("KeyboardEvent");

       if(e.initKeyEvent && ctrl.dispatchEvent)
       {
         e.initKeyEvent("keypress",        // in DOMString typeArg,
                        false,             // in boolean canBubbleArg,
                        true,              // in boolean cancelableArg,
                        null,              // in nsIDOMAbstractView viewArg, specifies UIEvent.view. This value may be null;
                        false,             // in boolean ctrlKeyArg,
                        false,             // in boolean altKeyArg,
                        false,             // in boolean shiftKeyArg,
                        false,             // in boolean metaKeyArg,
                        null,              // key code;
                        val.charCodeAt(0));// char code.

         ctrl.dispatchEvent(e);
       }
     }
     else
     {
       var tmp = (document.selection && !window.opera) ? ctrl.value.replace(/\r/g,"") : ctrl.value;
       ctrl.value = tmp.substring(0, insertionS) + val + tmp.substring(insertionS, tmp.length);
     }

     setRange(ctrl, insertionS + val.length, insertionS + val.length);
   }







//*****************************************************************************
// Do not remove this notice.
//
// Copyright 2001 by Mike Hall.
// See http://www.brainjar.com for terms of use.
//*****************************************************************************

// Determine browser and version.

function Browser() {

  var ua, s, i;

  this.isIE    = false;
  this.isNS    = false;
  this.version = null;

  ua = navigator.userAgent;

  s = "MSIE";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  // Treat any other "Gecko" browser as NS 6.1.

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }
}

var browser = new Browser();

// Global object to hold drag information.

var dragObj = new Object();
dragObj.zIndex = 0;

function dragStart(event, id) {

  var el;
  var x, y;

  // If an element id was given, find it. Otherwise use the element being
  // clicked on.

  if (id)
    dragObj.elNode = document.getElementById(id);
  else {
    if (browser.isIE)
      dragObj.elNode = window.event.srcElement;
    if (browser.isNS)
      dragObj.elNode = event.target;

    // If this is a text node, use its parent element.

    if (dragObj.elNode.nodeType == 3)
      dragObj.elNode = dragObj.elNode.parentNode;
  }

  // Get cursor position with respect to the page.

  if (browser.isIE) {
    x = window.event.clientX + document.documentElement.scrollLeft
      + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop
      + document.body.scrollTop;
  }
  if (browser.isNS) {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }

  // Save starting positions of cursor and element.

  dragObj.cursorStartX = x;
  dragObj.cursorStartY = y;
  dragObj.elStartLeft  = parseInt(dragObj.elNode.style.left, 10);
  dragObj.elStartTop   = parseInt(dragObj.elNode.style.top,  10);

  if (isNaN(dragObj.elStartLeft)) dragObj.elStartLeft = 0;
  if (isNaN(dragObj.elStartTop))  dragObj.elStartTop  = 0;

  // Update element's z-index.

  dragObj.elNode.style.zIndex = ++dragObj.zIndex;

  // Capture mousemove and mouseup events on the page.

  if (browser.isIE) {
    document.attachEvent("onmousemove", dragGo);
    document.attachEvent("onmouseup",   dragStop);
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (browser.isNS) {
    document.addEventListener("mousemove", dragGo,   true);
    document.addEventListener("mouseup",   dragStop, true);
    event.preventDefault();
  }
}

function dragGo(event) {

  var x, y;

  // Get cursor position with respect to the page.

  if (browser.isIE) {
    x = window.event.clientX + document.documentElement.scrollLeft
      + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop
      + document.body.scrollTop;
  }
  if (browser.isNS) {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }

  // Move drag element by the same amount the cursor has moved.

  dragObj.elNode.style.left = (dragObj.elStartLeft + x - dragObj.cursorStartX) + "px";
  dragObj.elNode.style.top  = (dragObj.elStartTop  + y - dragObj.cursorStartY) + "px";

  if (browser.isIE) {
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (browser.isNS)
    event.preventDefault();
}

function dragStop(event) {

  // Stop capturing mousemove and mouseup events.

  if (browser.isIE) {
    document.detachEvent("onmousemove", dragGo);
    document.detachEvent("onmouseup",   dragStop);
  }
  if (browser.isNS) {
    document.removeEventListener("mousemove", dragGo,   true);
    document.removeEventListener("mouseup",   dragStop, true);
  }
}

