Trying to use checkbox to show/hide various other fields

I want to use a checkbox to show/hide three combo boxes and toggle the label next to the checkbox. I am starting by just trying to get the label to switch based on whether the checkbox is selected or not.

Below is the code I have. It does not produce an error, but it does not work either. I am using Acrobat 9.0.0. Any help is appreciated!

//define checkbox variable
var cBox1 = this.getField("hideLists").value;

//determine state of checkbox
if( cBox1 == "Yes" )

this.getField("hideLabel").hidden = false;

this.getField("showLabel").hidden = true;

if( cBox != "Yes" )

this.getField("hideLabel").hidden = true;

this.getField("showLabel").hidden = false;