$(document).ready(function () {
	
	for(var i=0; i<document.links.length; i++) {
	   document.links[i].onfocus = function() {this.blur();};
	}
	
	$('#felder ul, #information ul,#leistung ul, #information ul, #jahr ul').css("visibility","visible");
	replaceServerLinks();
	replaceServerLinks2();
	
	// Portfolio
	makeKundenTabs();	
	makeLeistungTabs();
	
	// Leistungen
	makeFelderTabs();	
	makeBereichTabs();
	

    var $panels = $('#slider .scrollContainer > div');
    var $container = $('#slider .scrollContainer');
    var horizontal = true;


    if (horizontal) {
        $panels.css({
            'float' : 'left',
            'position' : 'relative' 
        });

        $container.css('width', $panels[0].offsetWidth * $panels.length);
    }

    var $scroll = $('#slider .scroll').css('overflow', 'hidden');

    function selectNav() {
        $(this)
            .parents('ul:first')
                .find('a')
                    .removeClass('selected')
                .end()
            .end()
            .addClass('selected');
    }



    $('#slider #navigation').find('a').click(selectNav);

    function trigger(data) {
        var el = $('#slider #navigation').find('a[href$="' + data.id + '"]').get(0);
        selectNav.call(el);
				
				if(data.id == 'index'){
					$('#header').animate({height: "452px"});
					var imagesrc = "intro1.jpg";
					changeImg(imagesrc)
				} else if (data.id == 'leistungen') {
					var label = $('.ui-tabs-selected > a').attr('href');

					if(label) {
						var imagesrc = "kopf_" + label.replace("#", "") + ".jpg";
					}
					changeImg(imagesrc)
				} else if (data.id == 'portfolio') {
					var label = $('#leistung .ui-tabs-selected > a').attr('href');
					if(label) {
						var imagesrc = "projekte/"+label.replace("#", "") + ".jpg";
						changeImg(imagesrc);
					} else {
						var imagesrc = "kopf_portfolio.jpg";
						changeImg(imagesrc);
					}
						
					
				}
				
					else {					
					var imagesrc = "kopf_" + data.id + ".jpg";		
					$('#header > img').fadeOut('slow');
					changeImg(imagesrc);
				}
				
    }

		function triggerBefore() {
			$('#header').animate({height: "202px"});
		}

    if (window.location.hash) {
        trigger({ id : window.location.hash.substr(1) });
    } else {
				trigger({ id : 'index'});
    }
    var offset = parseInt((horizontal ? 
        $container.css('paddingTop') : 
        $container.css('paddingLeft')) 
        || 0) * -1;


    var scrollOptions = {
        target: $scroll,
        items: $panels,
        navigation: '#navigation a',
        axis: 'xy',
				onBefore: triggerBefore,
        onAfter: trigger, 
        offset: offset,
        duration: 500,
        easing: 'swing'				
    };

    var scrollOptionsLocal = {
        target: $scroll, 
        items: $panels,
        axis: 'xy',
        onAfter: trigger, 
        offset: offset,
        duration: 500,
        easing: 'swing',
				filter: '.animated'
    };


    $('#slider').serialScroll(scrollOptions);

    $('#slider').localScroll(scrollOptionsLocal);
		$('#logo').localScroll(scrollOptionsLocal);

    scrollOptions.duration = 1;
   $.localScroll.hash(scrollOptions);

});


function changeImg(imagesrc) {
	var currentImage = $('#header > img').attr('src');
	
	if(imagesrc == '') {
		imagesrc = currentImage;
	}	
	
	$('#header > img').remove();
	$('html,body').animate({scrollTop: 0}, 1000);	
	
	var img = new Image();
  $(img)
    .load(function () {
      $(this).hide();
      $('#header')
        .removeClass('loading')
        .append(this);
      $(this).fadeIn();
    })

    .error(function () {

    })

    .attr('src', 'images/header/'+imagesrc);
}


function replaceServerLinks(){ 
	$('#bereich a, #kundenWahl a').each(function(){ 
  	var originalLink = $(this).attr('href'); 
  	var newLink = originalLink.replace(/\?tab1=/g, "\#")
		$(this).attr('href',newLink); 
    });
	}
	
function replaceServerLinks2(){ 
  $('#felder a, #leistung a').each(function(){ 
    var originalLink = $(this).attr('href'); 
    var newLink = originalLink.replace(/\?tab2=/g, "\#")
		$(this).attr('href',newLink); 
    });
}


// Leistungen 
function makeBereichTabs() {		
	$('ul#bereichWahl').tabs(
		{ 
			selected: 0,
			unselect: false,  
			select: function(ui) {	
					$('#header > img').remove();
					makeFelderTabs();

			},
			fx: { 
				opacity: 'toggle'  
			},
			show: function(ui) {							
				$("#felder > ul:not(ul.ui-tabs-hide)").tabs("select", 0);
				$('#header > img').remove();
				
			} 
		});			
}


function makeFelderTabs() {
	$('#felder > ul').tabs(
		{ 
			selected: null, 
			unselect: false, 
			fx: { 
				opacity: 'toggle'  
			},
			show: function(ui2) {
				getSelectedTab();
			}
		});		
}



// Portfolio

function makeKundenTabs() {		
	$('ul#kundenWahl').tabs(
		{ 
			selected: null,
			unselect: false,  
			select: function(ui) {
					$('#header > img').fadeOut('slow');
					$('html,body').animate({scrollTop: 0}, 1000);			
					makeLeistungTabs(getSelectedPortfolioTab);							
			},
			fx: { 
				opacity: 'toggle'  
			},
			show: function(ui) {							
				$("#leistung > ul:not(ul.ui-tabs-hide)").tabs("select", 0);
			}
		});			
}

function makeLeistungTabs() {
	$('#leistung > ul').tabs(
		{ 
			selected: null, 
			unselect: false, 
			select: function(ui) {
					$('#header > img').fadeOut('slow');
			},
			fx: {  
				opacity: 'toggle'  
			},
			show: function(ui2) {
				getSelectedPortfolioTab();
			}
		});		
}

function checkNav() {
		
	 aktuell = $('#navigation a.selected').attr('href');
		
	return aktuell;
}



function getSelectedTab() {

		checkNav(); 
		if(aktuell == '#index') {
			
		} else {
			var label = $('.ui-tabs-selected > a').attr('href');
			var imagesrc = "kopf_" + label.replace("#", "") + ".jpg";		
			changeImg(imagesrc);
		}

}

function getSelectedPortfolioTab() {
		var label = $('#leistung .ui-tabs-selected > a').attr('href');
		var imagesrc = "projekte/"+label.replace("#", "") + ".jpg";		
		changeImg(imagesrc);
}