/* This script and many more are available free online at
The JavaScript Source!! http://javascript.internet.com
Created by: Jay Rumsey | http://www.nova.edu/~rumsey/ */

function ShowReg(op) {
  document.getElementById('1').style.display='none';
  document.getElementById('2').style.display='none';
  document.getElementById('3').style.display='none';
  document.getElementById('4').style.display='none';
  document.getElementById('5').style.display='none';
  document.getElementById('6').style.display='none';
  document.getElementById('7').style.display='none';
  document.getElementById('8').style.display='none';
  document.getElementById('9').style.display='none';

  if (op == 1) {
    document.getElementById('1').style.display="block";
  }

  if (op == 2) {
    document.getElementById('1').style.display="block";            document.getElementById('2').style.display="block";
  }

  if (op == 3) {
    document.getElementById('1').style.display="block";            document.getElementById('2').style.display="block";
    document.getElementById('3').style.display="block";
  }

  if (op == 4) {
    document.getElementById('1').style.display="block";            document.getElementById('2').style.display="block";
    document.getElementById('3').style.display="block";
    document.getElementById('4').style.display="block";
  }
  if (op == 5) {
    document.getElementById('1').style.display="block";            document.getElementById('2').style.display="block";
    document.getElementById('3').style.display="block";
    document.getElementById('4').style.display="block";
    document.getElementById('5').style.display="block";
  }

  if (op == 6) {
    document.getElementById('1').style.display="block";            document.getElementById('2').style.display="block";
    document.getElementById('3').style.display="block";
    document.getElementById('4').style.display="block";
    document.getElementById('5').style.display="block";
    document.getElementById('6').style.display="block";
  }
  if (op == 7) {
    document.getElementById('1').style.display="block";            document.getElementById('2').style.display="block";
    document.getElementById('3').style.display="block";
    document.getElementById('4').style.display="block";
    document.getElementById('5').style.display="block";
    document.getElementById('6').style.display="block";
    document.getElementById('7').style.display="block";
  }

  if (op == 8) {
    document.getElementById('1').style.display="block";            document.getElementById('2').style.display="block";
    document.getElementById('3').style.display="block";
    document.getElementById('4').style.display="block";
    document.getElementById('5').style.display="block";
    document.getElementById('6').style.display="block";
    document.getElementById('7').style.display="block";
    document.getElementById('8').style.display="block";
  }

  if (op == 9) {
    document.getElementById('1').style.display="block";            document.getElementById('2').style.display="block";
    document.getElementById('3').style.display="block";
    document.getElementById('4').style.display="block";
    document.getElementById('5').style.display="block";
    document.getElementById('6').style.display="block";
    document.getElementById('7').style.display="block";
    document.getElementById('8').style.display="block";
    document.getElementById('9').style.display="block";
  }

}