JavaScript

override public function readInt() : int
{
   return decodeZigZag32(this.readRawVarint32());
}

public int readRawVarint32() throws IOException {
    byte tmp = readRawByte();
    if (tmp >= 0) {
      return tmp;
    }
    int result = tmp & 0x7f;
    if ((tmp = readRawByte()) >= 0) {
      result |= tmp << 7;
    } else {
      result |= (tmp & 0x7f) << 7;
      if ((tmp = readRawByte()) >= 0) {
        result |= tmp << 14;
      } else {
        result |= (tmp & 0x7f) << 14;
        if ((tmp = readRawByte()) >= 0) {
          result |= tmp << 21;
        } else {
          result |= (tmp & 0x7f) << 21;
          result |= (tmp = readRawByte()) << 28;
          if (tmp < 0) {
            // Discard upper 32 bits.
            for (int i = 0; i < 5; i++) {
              if (readRawByte() >= 0) {
                return result;
              }
            }
            throw InvalidProtocolBufferException.malformedVarint();
          }
        }
      }
    }
    return result;
  }

public function readRawVarint32() : int
    {
      var _loc_3:int = 0;
      var _loc_1:* = this.readByte();
      if (_loc_1 >= 0)
      {
        return _loc_1;
      }
      var _loc_2:* = _loc_1 & 127;
      var _loc_4:* = this.readByte();
      _loc_1 = this.readByte();
      if (_loc_4 >= 0)
      {
        _loc_2 = _loc_2 | _loc_1 << 7;
      }
      else
      {
          _loc_2 = _loc_2 | (_loc_1 & 127) << 7;
          var _loc_4:* = this.readByte();
          _loc_1 = this.readByte();
          if (_loc_4 >= 0)
          {
              _loc_2 = _loc_2 | _loc_1 << 14;
          }
          else
          {
              _loc_2 = _loc_2 | (_loc_1 & 127) << 14;
              var _loc_4:* = this.readByte();
              _loc_1 = this.readByte();
              if (_loc_4 >= 0)
              {
                  _loc_2 = _loc_2 | _loc_1 << 21;
              }
              else
              {
                  _loc_2 = _loc_2 | (_loc_1 & 127) << 21;
                  var _loc_4:* = this.readByte();
                  _loc_1 = this.readByte();
                  _loc_2 = _loc_2 | _loc_4 << 28;
                  if (_loc_1 < 0)
                  {
                      _loc_3 = 0;
                      while (_loc_3 < 5)
                      {
                         if (this.readByte() >= 0)
                         {
                             return _loc_2;
                         }
                         _loc_3++;
                      }
                      throw new IllegalArgumentException();
                  }
              }
          }
      }
      return _loc_2;
    }// end function

public static function decodeZigZag32(param1:int) : int
{  return param1 >>> 1 ^ -(param1 & 1);
}

var songTitle =new Array("Title1", "Title2");
  function AddListeners()
    {
     if(window.addEventListener)
      {
       document.getElementById('A1').AddEventListener("click",Display_Info,false);
       document.getElementById('A2').AddEventListener("click",Display_Info,false);
       document.getElementById('A3').AddEventListener("click",Display_Info,false);
      }
     else if(window.attachEvent)
      {
       document.getElementById('A1').attachEvent("onclick",Display_Info);
       document.getElementById('A2').attachEvent("onclick",Display_Info);
       document.getElementById('A3').attachEvent("onclick",Display_Info);
      }
     }      

      function imgClicked(x)
      {
          var idClicked = x; //get thumbnail id      
          var newID = idClicked.substring(0,1); //subtract first character of thumbnail id        
          var convertedID = ParseInt(newID,10); //convert id to integer         
          return convertedID;          
      }
   
      function Display_Info()//passing in Parameter            
      {                 
          var A= this.id;
          var picID = imgClicked(A);
          document.getElementById('Title').innerHTML= songName[picID];                  
      }   

<a href="#self"><img src=image1" id="A0"></a>
<a href="#self"><img src=image2" id="A1"></a>
<a href="#self"><img src=image3" id="A2"></a>