jQuery.noConflict();


//updates virtual buffer of older screenreader
function updateVirtualBuffer() {
	var form = jQuery("body>form #virtualBufferForm");		
	if(form.length) {
		(form.val() == "1") ? form.val("0") : form.val("1")
	} else {
		var html = '<form><input id="virtualBufferForm" type="hidden" value="1" /></form>';
		jQuery("body").append(html);
	}
}

var moveFocusObj;
(function($) {
	$.fn.moveFocus = function(settings) {
		try {
			var config = {'updateBuffer': 'true', 'tabindex': '-1'};
			if (settings) $.extend(config, settings);
	
			domObj = this.get(0);
			
			var focus_exceptions={A:1,AREA:1,BUTTON:1,INPUT:1,OBJECT:1,SELECT:1,TEXTAREA:1};
			if(
				(!focus_exceptions[domObj.nodeName] && 
				(domObj.getAttribute("tabIndex")==null || !domObj.getAttributeNode("tabIndex").specified))
			)
			{
				domObj.setAttribute("tabIndex",config.tabindex);
			}
			if (config.updateBuffer) {
				updateVirtualBuffer();
			}
		/*	if(document.all)dom_object.focus();*/
			moveFocusObj=domObj;
			setTimeout("jQuery.fn.moveFocusNow()",180);
		}catch(e){}
		
		return this;
	};
	$.fn.moveFocusNow = function() {
		try {
			moveFocusObj.focus();
		}catch(e){}		
	};
})(jQuery);

/*
	Panel-Slider
*/
function showPanel(navButton, panelId) {
	var actIndex = jQuery(".panel").index(jQuery(".panelsContainer .selected"));
	jQuery("#panel-slider .navigation a").removeClass('selected');
	jQuery(".panel").removeClass('selected');
	jQuery(navButton).addClass('selected');
	jQuery(panelId).addClass('selected');
	var newIndex = jQuery(".panel").index(jQuery(".panelsContainer .selected"));

	if (actIndex < newIndex) {
		jQuery(panelId).fadeIn('normal', function () {
			jQuery(".panel:not(.selected)").css({'display':'none'});
			}
		);
	}
	if (actIndex > newIndex) {
		jQuery('.panel:eq('+newIndex+')').css({'display':'block'});
		jQuery('.panel:eq('+actIndex+')').fadeOut('normal', function () {
			jQuery('.panel:eq('+actIndex+')').css({'display':'none'})
			}
		);
	}
	jQuery('.panel:eq('+newIndex+') h2').focus();	
}


function nextPanel(direction) {
	var actNavIndex = jQuery("#panel-slider .navigation a").index(jQuery("#panel-slider .navigation .selected"));
	var newNavIndex = actNavIndex + direction;
	var maxNavIndex = jQuery('#panel-slider .navigation a').length - 1;
	if (newNavIndex > maxNavIndex) {
		newNavIndex = 0;
	}
	if (newNavIndex < 0) {
		newNavIndex = maxNavIndex;
	}
	jQuery('#panel-slider .navigation a:eq('+newNavIndex+')').click();
}


jQuery(document).ready(function() {
	// pngfix for ie6
//	jQuery(document).pngFix('/09_sternstunden/fileadmin/template/img/blank.gif');

	

	// Styleswitcher
	var cookie = readCookie("style");
	var title = cookie ? cookie : getPreferredStyleSheet();
	setActiveStyleSheet(title);	


	// Picture Slider
    jQuery('.jcarousel').jcarousel({
    	buttonPrevHTML : "<div title='Bilderkarussell r&uuml;ckw&auml;rts drehen'><span class='skip'>Bilderkarussell r&uuml;ckw&auml;rts drehen</span><span class='text'>&lt;</span><span class='button-image'></span></div>",
    	buttonNextHTML : "<div title='Bilderkarussell vorw&auml;rts drehen'><span class='skip'>Bilderkarussell vorw&auml;rts drehen</span><span class='text'>&gt;</span><span class='button-image'></span></div>"
    });
	
	jQuery('.jcarousel-container').ariaLightbox({disableWidth:600,disableHeight:600,imageArray:"a.lightbox",prevText:"vorheriges Bild",nextText:"nächstes Bild",pictureText:"Bild",titleText:"Bildergalerie",ofText:"von",closeText:"schließen [ESC]",descText:function(){return jQuery(this).attr("title");}});
	jQuery('a.lightbox:not(.jcarousel-container a)').ariaLightbox({disableWidth:600,disableHeight:600,prevText:"vorheriges Bild",nextText:"nächstes Bild",pictureText:"Bild",titleText:"Bildergalerie",ofText:"von",closeText:"schließen [ESC]",descText:function(){return jQuery(this).attr("title");}});

	var ts = parseInt(new Date().getTime() / (60*5));
	jQuery('#loadContainer').hide();
	jQuery('#loadContainer').rssfeed('http://sternstunden2011.br.de/Event/rss.aspx?id=34027&ts='+ts, {
		limit: 10, header: false, snippet: false
	}, function() {
		var html = '';
		var count = 0;
		jQuery('#loadContainer li').each(function() {
			if (count < 4) {
				try {
					var item = '';
					var heading = jQuery(this).find('h4 a').html();
					var link = jQuery(this).find('h4 a').attr('href');
					var date = jQuery(this).find('div').html();
					date = date.substr(date.length-8);
					var content = jQuery(this).find('p').html();
					var imgSrc = jQuery(this).find('p img').attr('src');

					if (heading) {
						if (count == 0) {
							var item = '<div class="news-latest-item sticky clearfix">';
						} else {
							var item = '<div class="news-latest-item clearfix">';
						}
						if (count > 0) {
							var item = '<div class="news-latest-item clearfix"><h2><span class="news-latest-date">'+date+'</span></h2>';
						}

						if (imgSrc) {
							item += '<div class="news-latest-img"><img width="120" alt="'+heading+'" src="'+imgSrc+'"></div>';
							item += '<div class="news-latest-txt"><p>'+heading+'</p></div>';
						} else {
							item += '<div class="news-latest-txt"><p>'+content+'</p></div>';
						}
						if (count > 0) {
							item += '<div class="news-latest-morelink"><a title="Externer Link: '+heading+'" href="'+link+'">weiterlesen auf dem BR Sternstunden-Ticker<span class="skip">: '+heading+'</span></a></div>';
						}
						item += '</div>';

						html += item;
						count++;
					}
				}
				catch($e) {
				}
			}
		});
		jQuery('#live-ticker').html(html);
		jQuery('#loadContainer').remove();
	});

	jQuery(window).load(function() {
		var flashvars = {};
		var params = {  wmode: "transparent"}; 
		var attributes = { };
		swfobject.embedSWF("fileadmin/media/slider-intro.swf", "panel-img-swf", "485", "266", "9.0.0","fileadmin/template/js/swfobject/expressInstall.swf", flashvars, params, attributes);
	});

});




function setActiveStyleSheet(title) {
	var i, a, main;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
			a.disabled = true;
			if(a.getAttribute("title") == title) a.disabled = false;
		}
	}
}

function getActiveStyleSheet() {
	var i, a;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
	}
	return null;
}

function getPreferredStyleSheet() {
	var i, a;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1
			&& a.getAttribute("rel").indexOf("alt") == -1
			&& a.getAttribute("title")
			) return a.getAttribute("title");
	}
	return null;
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

window.onunload = function(e) {
	var title = getActiveStyleSheet();
	createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);