function commercial()
{
document.write('');
}
function narration()
{
document.write('');
}
function characters()
{
document.write('');
}
function imaging()
{
document.write('');
}
function ntimaging()
{
document.write('');
}
function political()
{
document.write('');
}
function trailer()
{
document.write('');
}