(function($) {
	$.previewComment = function(url) {
		var postData = $('#commentform').serializeArray();
		var postData2 = new Array();
		
		for (key in postData) {
			postData2.push({'name': 'preview_'+postData[key].name, 'value': postData[key].value});
		}
		
		$.ajax({
			type: 'POST',
			url: url,
			data: postData2,
			dataType: 'html',
			success: function (data) {
				$('#previewComment').html(data);		  	
			}
		});
	}
	
	$(document).ready(function () {
		$('#mainnav li:first').addClass('first');
	});
})(jQuery);