$(function() {
	// Startseiten-Galerie
	if($('body.start').length) { 
		$('<div class="picnav"></div>').insertBefore('.kopfbild .layer');
		var speed = 5000;
		var fadespeed = 800;
		$('div.kopfbild img').each(function(i) { 
			var $bild = $(this);
			var text = $bild.attr('alt');
			var bildnr = i+1;
			$bild
				.wrap('<div class="galpic" id="pic'+bildnr+'"></div>')
				.parent()
				.append('<div class="imgtext">'+text+'</div>');				
			$('<a title="'+bildnr+'" href="#pic'+bildnr+'">'+bildnr+'</a>').appendTo('.picnav');
		});
		$('div.galpic').hide();
		$('div.galpic:first').show();
		$('div.picnav a:first').addClass('picak');
		var anzahl = $('div.kopfbild img').length;
		
		// Bild-Navi
		function bildsprung() { 
		  if($(this).not('.picak')) {
			$('div.picnav a').stopTime();
			var bild = this.hash;
			$('div.picnav a').removeClass('picak');
			$(this).addClass('picak');			
			$('.galpic').fadeOut(fadespeed);
			$('.galpic'+bild).delay(fadespeed).fadeIn(fadespeed);	
			pos = $(this).index()+1;

			if(pos == anzahl) { 
				$('div.picnav a:first').everyTime(speed, bildsprung);
			} else { 
				$('div.picnav a.picak').next().everyTime(speed, bildsprung);
			};			
		  };
		  return false;
		};
		
		// 360° Ansicht anspringen
		$('body.start div.kopfbild').after('<a class="panicon" title="360&deg;-Panorama" href="#"></a>');
		$('div.layer, a.panicon')
			.css({ cursor: 'pointer' })
			.live('click', function() { 
				var bild = $('a.picak').attr('hash');
				$('div'+bild).parent().trigger('click');
			});
		
		$('div.picnav a').live('click', bildsprung);
		$('div.picnav a.picak').next().everyTime(speed, bildsprung);	
	
	};
});


jQuery.fn.extend({
	everyTime: function(interval, label, fn, times, belay) {
		return this.each(function() {
			jQuery.timer.add(this, interval, label, fn, times, belay);
		});
	},
	oneTime: function(interval, label, fn) {
		return this.each(function() {
			jQuery.timer.add(this, interval, label, fn, 1);
		});
	},
	stopTime: function(label, fn) {
		return this.each(function() {
			jQuery.timer.remove(this, label, fn);
		});
	}
});

jQuery.extend({
	timer: {
		guid: 1,
		global: {},
		regex: /^([0-9]+)\s*(.*s)?$/,
		powers: {
			// Yeah this is major overkill...
			'ms': 1,
			'cs': 10,
			'ds': 100,
			's': 1000,
			'das': 10000,
			'hs': 100000,
			'ks': 1000000
		},
		timeParse: function(value) {
			if (value == undefined || value == null)
				return null;
			var result = this.regex.exec(jQuery.trim(value.toString()));
			if (result[2]) {
				var num = parseInt(result[1], 10);
				var mult = this.powers[result[2]] || 1;
				return num * mult;
			} else {
				return value;
			}
		},
		add: function(element, interval, label, fn, times, belay) {
			var counter = 0;
			
			if (jQuery.isFunction(label)) {
				if (!times) 
					times = fn;
				fn = label;
				label = interval;
			}
			
			interval = jQuery.timer.timeParse(interval);

			if (typeof interval != 'number' || isNaN(interval) || interval <= 0)
				return;

			if (times && times.constructor != Number) {
				belay = !!times;
				times = 0;
			}
			
			times = times || 0;
			belay = belay || false;
			
			if (!element.$timers) 
				element.$timers = {};
			
			if (!element.$timers[label])
				element.$timers[label] = {};
			
			fn.$timerID = fn.$timerID || this.guid++;
			
			var handler = function() {
				if (belay && this.inProgress) 
					return;
				this.inProgress = true;
				if ((++counter > times && times !== 0) || fn.call(element, counter) === false)
					jQuery.timer.remove(element, label, fn);
				this.inProgress = false;
			};
			
			handler.$timerID = fn.$timerID;
			
			if (!element.$timers[label][fn.$timerID]) 
				element.$timers[label][fn.$timerID] = window.setInterval(handler,interval);
			
			if ( !this.global[label] )
				this.global[label] = [];
			this.global[label].push( element );
			
		},
		remove: function(element, label, fn) {
			var timers = element.$timers, ret;
			
			if ( timers ) {
				
				if (!label) {
					for ( label in timers )
						this.remove(element, label, fn);
				} else if ( timers[label] ) {
					if ( fn ) {
						if ( fn.$timerID ) {
							window.clearInterval(timers[label][fn.$timerID]);
							delete timers[label][fn.$timerID];
						}
					} else {
						for ( var fn in timers[label] ) {
							window.clearInterval(timers[label][fn]);
							delete timers[label][fn];
						}
					}
					
					for ( ret in timers[label] ) break;
					if ( !ret ) {
						ret = null;
						delete timers[label];
					}
				}
				
				for ( ret in timers ) break;
				if ( !ret ) 
					element.$timers = null;
			}
		}
	}
});

if (jQuery.browser.msie)
	jQuery(window).one("unload", function() {
		var global = jQuery.timer.global;
		for ( var label in global ) {
			var els = global[label], i = els.length;
			while ( --i )
				jQuery.timer.remove(els[i], label);
		}
	});