jQuery.fn.liveSearch = function (conf) {
	var config = jQuery.extend({
		url:			'/search/node/', 
		id:				'nav-search-results', 
		duration:		400, 
		typeDelay:		500,
		loadingClass:	'loading', 
		onSlideUp:		function () {}, 
		updatePosition:	false
	}, conf);

	var liveSearch	= jQuery('#' + config.id);

	return this.each(function () {
		var input							= jQuery(this).attr('autocomplete', 'off');
		var liveSearchPaddingBorderHoriz	= parseInt(liveSearch.css('paddingLeft'), 10) + parseInt(liveSearch.css('paddingRight'), 10) + parseInt(liveSearch.css('borderLeftWidth'), 10) + parseInt(liveSearch.css('borderRightWidth'), 10);

		// Shows live-search for this input
		var showLiveSearch = function () {
			$('#nav-search-wrapper').css('display', 'block');
			liveSearch.slideDown(config.duration);
		};

		// Hides live-search for this input
		var hideLiveSearch = function () {
			liveSearch.slideUp(config.duration, function () {
				config.onSlideUp();
			});
			$('#nav-search-wrapper').css('display', 'none');
		};

		input
			// On focus, if the live-search is empty, perform an new search
			// If not, just slide it down. Only do this if there's something in the input
			.focus(function () {
				if (this.value !== '') {
					// Perform a new search if there are no search results
					if (liveSearch.html() == '') {
						this.lastValue = '';
						input.keyup();
					}
					// If there are search results show live search
					else {
						// HACK: In case search field changes width onfocus
						setTimeout(showLiveSearch, 1);
					}
				}
			})
			// Auto update live-search onkeyup
			.keyup(function () {
				// Don't update live-search if it's got the same value as last time
				if (this.value != this.lastValue) {
					$('#nav-search-loading').css('display', 'block');

					var q = this.value;

					// Stop previous ajax-request
					if (this.timer) {
						clearTimeout(this.timer);
					}

					// Start a new ajax-request in X ms
					this.timer = setTimeout(function () {
						jQuery.get(config.url + q + '?ajax', function (data) {
							$('#nav-search-loading').css('display', 'none');

							// Show live-search if results and search-term aren't empty
							if (data.length && q.length) {
								liveSearch.html(data);
								showLiveSearch();
							}
							else {
								hideLiveSearch();
							}
						});
					}, config.typeDelay);

					this.lastValue = this.value;
				}
			});
	});
};