jQuery.fn.slideshow = function(options) {
	var settings = {
		timeout: '2000',
		type: 'sequence'
	}
	if(options)
		jQuery.extend(settings, options);
	
	this.css('position', 'relative');
	var slides = this.find('img').get();
	for ( var i = 0; i < slides.length; i++ ) {
		jQuery(slides[i]).css('zIndex', slides.length - i).css('position', 'absolute').css('top', '0').css('left', '0');
	}
	if ( settings.type == 'sequence' ) {
		setTimeout(function(){
			jQuery.slideshow.next(slides, settings, 1, 0);
		}, settings.timeout);
	}
	else if ( settings.type == 'random' ) {
		setTimeout(function(){
			do { current = Math.floor ( Math.random ( ) * ( slides.length ) ); } while ( current == 0 )
			jQuery.slideshow.next(slides, settings, current, 0);
		}, settings.timeout);
	}
	else {
		alert('type must either be \'sequence\' or \'random\'');
	}
};
jQuery.slideshow = function() {}
jQuery.slideshow.next = function (slides, settings, current, last) {
  if (jQuery(slides[last]).css('display') != 'none') {
    for (var i = 0; i < slides.length; i++) {
      if (i != last)  {
        jQuery(slides[i]).css('display', 'none');
      }
    }
	//jQuery(slides[last]).css('display', 'block').css('zIndex', '0');
    jQuery(slides[last]).fadeOut(1000, function() {
      jQuery(slides[current]).fadeIn(1000);
      if ( settings.type == 'sequence' ) {
        if ( ( current + 1 ) < slides.length ) {
          current = current + 1;
          last = current - 1;
        }
        else {
          current = 0;
          last = slides.length - 1;
        }
      }
      else if ( settings.type == 'random' ) {
        last = current;
        while (	current == last ) {
          current = Math.floor ( Math.random ( ) * ( slides.length ) );
        }
      }
      else {
        alert('type must either be \'sequence\' or \'random\'');
      }
      setTimeout((function(){jQuery.slideshow.next(slides, settings, current, last);}), settings.timeout);
    });
  }
}