i have done a working code of visiblity of checkboxes depending upon the drop dwon selection...... .it works fine with mozilla but its not working with the internet explorer......

my javascript code....

Code:
function showtr(show)
{
      document.getElementById(show).style.display = '';
}
  
function hidetr(hide)
{
      document.getElementById(hide).style.display = 'none';
...