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

// jquery.innerfade.js

// Datum: 2007-01-29
// Firma: Medienfreunde Hofmann & Baldes GbR
// Autor: 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/

// ========================================================= */
//SB 11/25/2007 added var initialtimeout to control first transition
//SB 7/29/2009 Adding caption capability - for fade mode
(function($) {

$.fn.innerfade = function(options) {

	this.each(function(){ 	
		
		var settings = {
			animationtype: 'fade',
			speed: 'normal',
			timeout: 1000,
			inititaltimeout: 1000,
			type: 'sequence',
			containerheight: 'auto',
			runningclass: 'innerfade',
			loopstart: 0,
			captions: 0,
			captionopacity: 1,
			cap_t1: 0,
			cap_t2: 0,
			cap_t3: 0 
		};
		
		if(options)
			$.extend(settings, options);
		
		if ( settings.captions != 0 ){
			settings.cap_t1 = settings.timeout * 0.1;
			settings.cap_t2 = settings.timeout * 0.25;
			settings.cap_t3 = settings.timeout * 0.5;
		}
		//var elements = $(this).children();
		var elements = $(this).children().not('div');
	
		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);*/
				}, settings.initialtimeout);
				$(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);*/
				}, settings.initialtimeout);
				$(elements[0]).show();
			}	else {
				alert('type must either be \'sequence\' or \'random\'');
			}
			
		}
		
	});
};


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

	if ( settings.captions == 0 ) {
		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\'');
		};
	}
	else{
		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);
			$('#' + settings.captions).html($(elements[current]).attr('title')).fadeTo(settings.cap_t2,0).fadeTo(settings.cap_t1,settings.captionopacity).fadeTo(settings.cap_t3,settings.captionopacity).fadeTo(settings.cap_t1,0);	
		} else {
			alert('animationtype must either be \'slide\' or \'fade\'');
		};
	}	

	
	if ( settings.type == 'sequence' ) {
		if ( ( current + 1 ) < elements.length ) {
			current = current + 1;
			last = current - 1;
		} else {
			current = settings.loopstart;
			last = elements.length - 1;
		};
	}	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);

/*
			$('#' + settings.captions).html($(elements[current]).attr('title'));
			$(elements[last]).fadeOut(settings.speed);
			$(elements[current]).fadeIn(settings.speed);
			$('#' + settings.captions).fadeTo(750,0).fadeTo(250,0.75).fadeTo(1500,0.75).fadeTo(500,0);	//some of those are pauses





			$('#' + settings.captions).html($(elements[current]).attr('title')).fadeTo(500,0).fadeTo(250,0.75).fadeTo(1750,0.75).fadeTo(250,0);	//some of those are pauses

						$('#' + settings.captions).html($(elements[current]).attr('title'));
			$('#' + settings.captions).fadeTo(500,0);	
			$('#' + settings.captions).fadeTo(500,0.75);
			$('#' + settings.captions).fadeTo(1500,0.75);
			$('#' + settings.captions).fadeTo(250,0);	

			*/