/*
 * Check all checkboxes contained within a form
 *
 * @name     checkCheckboxes
 * @param    filter   only check checkboxes matching this expression
 * @param    returnChecked   return checkboxes as jQuery object, default false
 * @author   Sam Collett (http://www.texotela.co.uk)
 * @example  $("#myform").checkCheckboxes();
 * @example  $("#myform").checkCheckboxes(".onlyme");
 * @example  $("#myform").checkCheckboxes(":not(.notme)");
 * @example  $("#myform").checkCheckboxes("*", true);
 *
 */
jQuery.fn.checkCheckboxes = function(filter, returnChecked)
{
	filter = filter || "*";
	returnChecked = returnChecked || false;
	var returnWhat = jQuery([]);
	this.each(
		function()
		{
			var checked = jQuery("input[@type=checkbox]", this).filter(filter).each(
				function()
				{
					this.checked = true;
				}
			).filter(":checked");
			returnWhat = checked;
		}
	);
	if(!returnChecked)
	{
		returnWhat = this;
	}
	return returnWhat;
};

/*
 * UnCheck all checkboxes contained within a form
 *
 * @name     unCheckCheckboxes
 * @param    filter   only check checkboxes matching this expression
 * @param    returnUnChecked   return unchecked checkboxes as jQuery object, default false
 * @author   Sam Collett (http://www.texotela.co.uk)
 * @example  $("#myform").unCheckCheckboxes();
 * @example  $("#myform").unCheckCheckboxes(".onlyme");
 * @example  $("#myform").unCheckCheckboxes(":not(.notme)");
 * @example  $("#myform").unCheckCheckboxes("*", true);
 *
 */
jQuery.fn.unCheckCheckboxes = function(filter, returnUnChecked)
{
	filter = filter || "*";
	returnUnChecked = returnUnChecked || false;
	var returnWhat = jQuery([]);
	this.each(
		function()
		{
			var unChecked = jQuery("input[@type=checkbox]", this).filter(filter).each(
				function()
				{
					this.checked = false;
				}
			).filter(":not(:checked)");
			returnWhat = unChecked;
		}
	);
	if(!returnUnChecked)
	{
		returnWhat = this;
	}
	return returnWhat;
};