/* jQuery extensions */

jQuery.prototype.enable = function()
{
	this.removeAttr("disabled");
}

jQuery.prototype.disable = function()
{
	this.attr("disabled", "disabled");
}

jQuery.prototype.enabled = function(val)
{
	if (val)
	{
		this.enable();
	}
	else
	{
		this.disable();
	}
}