$(document).ready(
	function()
	{
		// lightbox
		$('a[@rel*=lightbox]').lightBox();

		var options = { 
			target:        '#lastcomment',   // target element(s) to be updated with server response 
			beforeSubmit:  showRequest,  // pre-submit callback 
			success:       showResponse  // post-submit callback 
		}; 
		$('#addcomment').ajaxForm(options);

});