function fader(object_name) {
this.previous = null;
this.current = 0;
this.next = null;
this.elements = new Array();
this.box = null;
this.box_opacity = 100;
this.current_timeout = null;
this.direction = 'next';

this.object_name = object_name;

var configuration = function() {
this.box_class = null;
this.box_height = '150px';
this.box_id = 'fader';
this.box_width = '200px';

this.transition_time = 1;
this.transition_pause = 10;
}

this.options = new configuration();

this.draw_box = function() {
var output = new Array();
output.push('<div');
if(this.options.box_class != null) {
output.push('class="' + this.options.box_class + '"');
}
output.push('id="' + this.options.box_id + '" style="height: ' + this.options.box_height + '; position: relative; overflow: hidden; width: ' + this.options.box_width + ';">');
output.push('</div>');
document.write(output.join(' '));
this.box = document.getElementById(this.options.box_id);
}

this.setup_transition = function() {
if(this.elements.length < 1) {
this.elements[0] = 'No Elements Assigned';
}
this.box.innerHTML = this.elements[this.current];
this.previous = this.elements.length - 1;
if(this.elements.length > 1) {
this.next = 1;
} else {
this.next = 0;
}
}

this.move_next = function() {
window.clearTimeout(this.current_timeout);
this.direction = 'next';
this.fade_out();
}

this.move_previous = function() {
window.clearTimeout(this.current_timeout);
this.direction = 'previous';
this.fade_out();
}

this.increment_current = function() {
if((this.current + 1) >= this.elements.length) {
this.previous = this.elements.length - 1;
this.current = 0;
if(this.elements.length > 1) {
this.next = 1;
}
} else {
this.previous = this.current;
this.current++;
if((this.current + 1) >= this.elements.length) {
this.next = 0;
} else {
this.next = this.current + 1;
}
}
}

this.decrement_current = function() {
if((this.current - 1) < 0) {
if(this.elements.length <= 1) {
this.previous = 0;
} else {
this.previous = this.elements.length - 2;
}
this.current = this.elements.length - 1;
this.next = 0;
} else {
if((this.current - 2) < 0) {
this.previous = this.elements.length - 1;
} else {
this.previous = this.current - 2;
}
this.current--;
this.next = this.current + 1;
}
}

this.start_transistion = function() {
this.current_timeout = window.setTimeout(this.object_name + '.move_next();', this.options.transition_pause * 1000);
}

this.fade_in = function() {
if(this.box_opacity < 100) {
var increment = 100.0 / (((this.options.transition_time * 1000) / 2) / 50);
this.box_opacity = Math.round(this.box_opacity + increment);
this.box.style.opacity = String(this.box_opacity / 100); // CSS3
this.box.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + this.box_opacity + ');'; // IE fix
window.setTimeout(this.object_name + '.fade_in();', 50);
} else {
this.start_transistion();
}
}

this.fade_out = function() {
if(this.box_opacity > 0) {
var increment = 100.0 / (((this.options.transition_time * 1000) / 2) / 50);
this.box_opacity = Math.round(this.box_opacity - increment);
this.box.style.opacity = String(this.box_opacity / 100); // CSS3
this.box.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + this.box_opacity + ');'; // IE fix
window.setTimeout(this.object_name + '.fade_out();', 50);
} else {
switch(this.direction) {
case 'next':
this.box.innerHTML = this.elements[this.next];
this.increment_current();
this.fade_in();
break;
case 'previous':
this.box.innerHTML = this.elements[this.previous];
this.decrement_current();
this.fade_in();
break;
}
}
}

this.update = function() {
document.getElementById('previous').innerHTML = this.previous;
document.getElementById('current').innerHTML = this.current;
document.getElementById('next').innerHTML = this.next;
}

this.init = function() {
this.draw_box();
this.setup_transition();
this.start_transistion();
}
}