SO fiddle

Test Fiddle mainly for SO Questions

by Nick Craver

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/dot-luv/jquery-ui.css">
<input type = "checkbox" id = "myCheckbox"/>
<div id = "display-hide">
  //Contains more elements
</div>
<br/><br/><br/>

<input type = "checkbox" id = "myCheckbox2" checked="checked" />
<div id = "display-hide2">
  //Contains more elements
</div>

JavaScript

$("#myCheckbox").click(function(){
  $("#display-hide").toggle(this.checked);
}).triggerHandler('click');
    
    
$("#myCheckbox2").click(function(){
  $("#display-hide2").toggle(this.checked);
}).triggerHandler('click');