with (classes) {
//
with (XHTML) {
//
with (Form) {
//
Form.CheckboxInput = function ()
{
 with (Input) call(this);

 with (CheckboxInput)
 {
  this.onclick = this.onchange; // IE onchange issue
  this.onchange = null;
 }

 return this;
}
//
CheckboxInput.events = Input.events;
//
}
//
}
//
}