Appear with sliding effect?

I have a div I'm making appear when a form is submitted.

document.getElementById('onsubmit').style.display = 'block';

I want it to make it appear with a sliding effect. So it moves everything down as it makes size for itself.

I believe it's done with jquery but I have no idea how. Anyone cou开发者_JAVA百科ld give me a hand?

Thanks

Check out the fiddle...

Demo 1: http://jsfiddle.net/UnsungHero97/YRXA4/

Demo 2: http://jsfiddle.net/UnsungHero97/YRXA4/1/

So instead of using the .click() event, you would use the .submit() event.

I hope this helps.
Hristo

try this...

$('#onsubmit').slideDown('slow', function() {
    // Animation complete.
  });