jQuery hide show div doesn't work in Internet Explorer

Question

When I click togglediv, commentdiv must be visible or hidden. The following code is running on Firefox but not Internet Explorer:

Answer 1

if(document.getElementById(ThisObj).style.display == 'none')
{
    document.getElementById(ThisObj).style.display = 'block';
}
else
{
    document.getElementById(ThisObj).style.display = 'none';
}

it works:)