(function($) {

$.fn.innerfade = function(options) {

	this.each(function(){ 	
		
		var currentImage;
		var settings = {
			animationtype: 'fade',
			speed: 'slow',
			timeout: 5000,
			timeout1: 5000,
			timeout2: 5000,
			timeout3: 5000,
			timeout4: 5000,
			timeout5: 5000,
			type: 'sequence',
			containerheight: 'auto',
			runningclass: 'innerfade',
			autostop: 'yes',
			multiout: 'yes'
		};
		
		if(options)
			$.extend(settings, options);
		
		var elements = $(this).children();
	
		if (elements.length > 1) {
		
			$(this).css('position', 'relative');
	
			$(this).css('height', settings.containerheight);
			$(this).addClass(settings.runningclass);
			
			for ( var i = 0; i < elements.length; i++ ) {
				$(elements[i]).css('z-index', String(elements.length-i)).css('position', 'absolute');
				$(elements[i]).hide();
			};
		
			if ( settings.type == 'sequence' ) {
				setTimeout(function(){
          $.innerfade.next(elements, settings, 1, 0);
				}, settings.timeout);
				$(elements[0]).show();
			} else if ( settings.type == 'random' ) {
				setTimeout(function(){
					do { current = Math.floor ( Math.random ( ) * ( elements.length ) ); } while ( current == 0 )
					$.innerfade.next(elements, settings, current, 0);
				}, settings.timeout);
				$(elements[0]).show();
			}	else {
				alert('type must either be \'sequence\' or \'random\'');
			}
		
		}
		
	});
};


$.innerfade = function() {}
$.innerfade.next = function (elements, settings, current, last, currentImage) {

	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]).fadeIn(settings.speed);
	} else {
		alert('animationtype must either be \'slide\' or \'fade\'');
	};
	
	if ( settings.type == 'sequence' ) {
	  if ( settings.multiout == 'yes' ) {
      currentImage = current;
        if ( currentImage == "1" ) {
          settings.timeout = settings.timeout1;
        } else if ( currentImage == "2" ) {
          settings.timeout = settings.timeout2;
        } else if ( currentImage == "3" ) {
          settings.timeout = settings.timeout3;
        } else if ( currentImage == "4" ) {
          settings.timeout = settings.timeout4;
        } else if ( currentImage == "5" ) {
          settings.timeout = settings.timeout5;
        } 
    }
	  /*alert(settings.timeout);*/
		if ( ( current + 1 ) < elements.length ) {
			current = current + 1;
			last = current - 1;
		} else {
			current = 0;
			last = elements.length - 1;
			if ( settings.autostop == 'yes') {
			  if ( current = last ) {
          settings.timeout = 999999999;
			  }
			}
		}
	}	else if ( settings.type == 'random' ) {
		last = current;
		while (	current == last ) {
			current = Math.floor ( Math.random ( ) * ( elements.length ) );
		};
	}	else {
		alert('type must either be \'sequence\' or \'random\'');
	};
	setTimeout((function(){$.innerfade.next(elements, settings, current, last);}), settings.timeout);
};
})(jQuery);