function get_key() {
 var ch = event.keyCode;
 ch = String.fromCharCode(ch);
  switch(ch)
  { 
    case "a":
    case "A":
     window.event.keyCode=1588;
     break;
  case "b":
    case "B":
      window.event.keyCode=1584;
     break;
    case "c":
    case "C":
      window.event.keyCode=1586;
     break;
    case "d":
    case "D":
      window.event.keyCode=1610;
     break;
    case "e":
    case "E":
      window.event.keyCode=1579;
     break;
    case "f":
    case "F":
      window.event.keyCode=1576;
     break;
    case "g":
    case "G":
      window.event.keyCode=1604;
     break;
    case "h":
    case "H":
      window.event.keyCode=1575;
     break;
    case "i":
    case "I":
      window.event.keyCode=1607;
     break;
    case "j":
    case "J":
      window.event.keyCode=1578;
     break;
    case "k":
    case "K":
      window.event.keyCode=1606;
     break;
    case "l":
    case "L":
      window.event.keyCode=1605;
     break;
    case "m":
    case "M":
      window.event.keyCode=1574;
     break;
    case "n":
    case "N":
      window.event.keyCode=1583;
     break;
    case "o":
    case "O":
      window.event.keyCode=1582;
     break;
    case "p":
    case "P":
      window.event.keyCode=1581;
     break;
    case "q":
    case "Q":
      window.event.keyCode=1590;
     break;
    case "r":
    case "R":
      window.event.keyCode=1602;
     break;
    case "s":
    case "S":
      window.event.keyCode=1587;
     break;
    case "t":
    case "T":
      window.event.keyCode=1601;
     break;
    case "u":
    case "U":
      window.event.keyCode=1593;
     break;
    case "v":
    case "V":
      window.event.keyCode=1585;
     break;
    case "w":
    case "W":
      window.event.keyCode=1589;
     break;
    case "x":
    case "X":
      window.event.keyCode=1591;
     break;
    case "y":
    case "Y":
      window.event.keyCode=1594;
     break;
    case "z":
    case "Z":
      window.event.keyCode=1592;
     break;
    case "`":
    case "~":
      window.event.keyCode=1662;
     break;
    case "\\":
  case "|":
    window.event.keyCode=1688;
   break;
    case "]":
      window.event.keyCode=1670;
     break;
    case "[":
      window.event.keyCode=1580;
     break;
    case "'":
    case '"':
      window.event.keyCode=1711;
     break;
    case ";":
      window.event.keyCode=1705;
     break;
    case "?":
      window.event.keyCode=1576;
     break;
    case ">":
      window.event.keyCode=1571;
     break;
    case "<":
      window.event.keyCode=1572;
     break;
    case ",":
      window.event.keyCode=1608;
     break;
            

    case "0":
      window.event.keyCode=1632;
     break;
    case "1":
      window.event.keyCode=1633;
     break;
    case "2":
      window.event.keyCode=1634;
     break;
    case "3":
      window.event.keyCode=1635;
     break;
    case "4":
      window.event.keyCode=1636;
     break;
    case "5":
      window.event.keyCode=1637;
     break;
    case "6":
      window.event.keyCode=1638;
     break;
    case "7":
      window.event.keyCode=1639;
     break;
    case "8":
      window.event.keyCode=1640;
     break;
    case "9":
      window.event.keyCode=1641;
     break; 
  }
  
   
}