jquery.innerfade.js

/* =========================================================

// jquery.innerfade.js

// Datum: 2008-02-14
// Firma: Medienfreunde Hofmann & Baldes GbR
// Author: Torsten Baldes
// Mail: t.baldes@medienfreunde.com
// Web: http://medienfreunde.com

// based on the work of Matt Oakes http://portfolio.gizone.co.uk/applications/slideshow/
// and Ralf S. Engelschall http://trainofthoughts.org/

 *
 *  <ul id="news"> 
 *      <li>content 1</li>
 *      <li>content 2</li>
 *      <li>content 3</li>
 *  </ul>
 *  
 *  $('#news').innerfade({ 
 *	  animationtype: Type of animation 'fade' or 'slide' (Default: 'fade'), 
 *	  speed: Fading-/Sliding-Speed in milliseconds or keywords (slow, normal or fast) (Default: 'normal'), 
 *	  timeout: Time between the fades in milliseconds (Default: '2000'), 
 *	  type: Type of slideshow: 'sequence', 'random' or 'random_start' (Default: 'sequence'), 
 * 		containerheight: Height of the containing element in any css-height-value (Default: 'auto'),
 *	  runningclass: CSS-Class which the container get’s applied (Default: 'innerfade'),
 *	  children: optional children selector (Default: null)
 *  }); 
 *

// ========================================================= */


(function($) {
    $.fn.innerfade = function(options) {
        return this.each(function() {   
            $.innerfade(this, options);
        });
    };
    $.innerfade = function(container, options) {
        var settings = {
        		'animationtype':    'fade',
            'speed':            'normal',
            'type':             'sequence',
            'timeout':          2000,
            'containerheight':  'auto',
            'runningclass':     'innerfade',
            'children':         null,
			'wait':			2000,
        };
        if (options)
            $.extend(settings, options);
        if (settings.children === null) {
            var elements = $(container).children();
        } else {
            var elements = $(container).children(settings.children);
		}
        if (elements.length > 1) {
            $(container).css('position', 'relative').css('height', settings.containerheight).addClass(settings.runningclass);
            for (var i = 0; i < elements.length; i++) {
                $(elements[i]).css('z-index', String(elements.length-i)).css('position', 'absolute').hide();
            };
            if (settings.type == "sequence") {
                setTimeout(function() {
                    $.innerfade.next(elements, settings, 1, 0);
                }, settings.timeout);
                $(elements[0]).wait(settings.wait).show();
            } else if (settings.type == "random") {
            		var last = Math.floor ( Math.random () * ( elements.length ) );
                setTimeout(function() {
                    do { 
												current = Math.floor ( Math.random ( ) * ( elements.length ) );
										} while (last == current );             
										$.innerfade.next(elements, settings, current, last);
                }, settings.timeout);
                $(elements[last]).show();
						} else if ( settings.type == 'random_start' ) {
								settings.type = 'sequence';
								var current = Math.floor ( Math.random () * ( elements.length ) );
								setTimeout(function(){
									$.innerfade.next(elements, settings, (current + 1) %  elements.length, current);
								}, settings.timeout);
								$(elements[current]).show();
						}	else {
							alert('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\'');
						}
				}
    };
    $.innerfade.next = function(elements, settings, current, last) {
        if (settings.animationtype == 'slide') {
            $(elements[last]).slideUp(settings.speed);
            $(elements[current]).slideDown(settings.speed);
        } else if (settings.animationtype == 'fade') {
            $(elements[last]).fadeOut(settings.speed);
            $(elements[current]).wait(settings.wait).fadeIn(settings.speed, function() {
								removeFilter($(this)[0])
							});
        } else {
            alert('Innerfade-animationtype must either be \'slide\' or \'fade\'');
		}
        if (settings.type == "sequence") {
            if ((current + 1) < elements.length) {
                current = current + 1;
                last = current - 1;
            } else {
                current = 0;
                last = elements.length - 1;
            }
        } else if (settings.type == "random") {
            last = current;
            while (current == last)
                current = Math.floor(Math.random() * elements.length);
        } else {
            alert('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\'');
		}
        setTimeout((function() {
            $.innerfade.next(elements, settings, current, last);
        }), settings.timeout);
    };


    $.fn.wait = function(time, type) {
        time = time || 1000;
        type = type || "fx";
        return this.queue(type, function() {
            var self = this;
            setTimeout(function() {
                $(self).dequeue();
            }, time);
        });
    };

})(jQuery);
// **** remove Opacity-Filter in ie ****
function removeFilter(element) {
	if(element.style.removeAttribute){
		element.style.removeAttr('css');
	}
}

twitter.innerfade.badget.js

<script type="text/javascript">
      google.load("jquery", "1.4.3");
</script>
<script type="text/javascript" src="./jquery.innerfade.js"></script>
<script type="text/javascript">
	$(document).ready(function(){
			var username = 'your_twitter_account';
			var tw_api = 'http://twitter.com/statuses/user_timeline/';
			tw_api += username+'.json?count=5&callback=?';
			var list = '<h4>Tweet Now!</h4><ul class="item_list">';
                
                $.getJSON(tw_api, function(json){
                        for (i=0; i<json.length; i++) {
				var username = json[i].user.screen_name;
                           	var icon = json[i].user.profile_image_url;
                           	var text = formatTweet(json[i].text);
                           	var relative = relative_time(json[i].created_at);
                            	list += '<li><div class="tweet"><img src="'+ icon + '"/><p><span>';
                           	list += text+'</span><br/><a style="font-size:85%" href="http://twitter.com/';
                           	list += username+'/statuses/'+json[i].id+'">'+relative+'</a></p></div></li>';
                    	}

                        list += '</ul>';
			$("div#tweet").empty().html(list);

			$('ul.item_list').innerfade({
                               speed: 2000,
                               timeout: 10000,
                           	wait: 3000,
			});

		});


		function formatTweet(str) {
			var str = ' '+str;
			str = str.replace(/(https?:\/\/[-_.!~*\'()a-zA-Z0-9;\/?:\@&=+\$,%#]+)/,
					function(u) {
						var shortUrl = (u.length > 30) ? u.substr(0, 30) + '...': u;
						return '<a href="' + u + '">' + shortUrl + '</a>';
					})
				.replace(/@([a-zA-Z0-9_]+)/g,'@<a href="http://twitter.com/$1">$1</a>')
				.replace(/(?:^|\s)#([^\s\.\+:!]+)/g,
					function (a, u) {
                                    		return ' <a href="http://twitter.com/search?q=' + encodeURIComponent(u) + '">#' + u + '</a>';
				});
			return str;
		}


		function relative_time(dateString) {
			var rightNow = new Date();
			var then = new Date(dateString);
			var browser = function() {
      				var ua = navigator.userAgent;
      				return {ie: ua.match(/MSIE\s([^;]*)/)};
				};
			if (browser.ie) {
				then = Date.parse(dateString.replace(/( \+)/, ' UTC$1'));
			}
      
			var diff = rightNow - then;
			var second = 1000,
			minute = second * 60,
			hour = minute * 60,
			day = hour * 24,
			week = day * 7;
			if (isNaN(diff) || diff < 0) {
				return ""; // return blank string if unknown
			}
			if (diff < second * 7) {
				return "right now";
			}
			if (diff < minute) {
				return Math.floor(diff / second) + " seconds ago";
			}
			if (diff < minute * 2) {
				return "about 1 minute ago";
			}
			if (diff < hour) {
				return Math.floor(diff / minute) + " minutes ago";
			}
			if (diff < hour * 2) {
				return "about 1 hour ago";
			}
			if (diff < day) {
				return  Math.floor(diff / hour) + " hours ago";
			}
			if (diff > day && diff < day * 2) {
				return "yesterday";
			}
			if (diff < day * 365) {
				return Math.floor(diff / day) + " days ago";
			}
			else {
				return "over a year ago";
			}
		}


        	return false;
	});
</script>