$(function($){

  if($("a.group").length > 0){
    $("a.group").fancybox(); 
  }

  if($('div.subnavigation').length > 0){
  
  $("#navi > ul > li").hover(function(){   
    var subnavi = $('div.subnavigation', $(this));
    if(subnavi.length > 0)
      $(this).addClass('open');
  }, function(){
	  var subnavi = $('div.subnavigation', $(this));
    if(subnavi.length > 0)
      $(this).removeClass('open');
  });
  $("#navi > ul > li div.subnavigation a").hover(function(){   
      $(this).css({backgroundPosition: '0 bottom'});
  }, function(){
      $(this).css({backgroundPosition: '0 0'});
  });
  $('div.subnavigation a:first-child').addClass('firstChild');
}

  $('.dropdown_select').click(function(e){
    e.preventDefault();
    $('.dropdown_item').slideToggle('slow');
  });
  
  if($(".teaser_item").length > 1){
    $('#stage_b').addClass('teaser');
    if($('.teaser_navigation').length < 1) 
      $('<div class="teaser_navigation"></div>').appendTo('#stage_b');
     
    $('.teaser_item').each(function(i){
       $($(this)).appendTo('.teaser_navigation');
    }); 
    
   
    //$(".teaser_item").eq(3).css('height', '33px');
    $('#stage_b').cycle({
                  speed:  2000,
                  timeout:  4000, 
                  continuous:      0, 
                  slideExpr: '.teaser_image',
                  before: before_teaser,
                  pager:  '#stage_b', 
                  pagerAnchorBuilder: function(idx, slide) { return '#stage_b .teaser_navigation .teaser_item:eq(' + idx + ') div.item'; } 
    });
  }

});

function before_teaser() { 
	$.teaser_element = $('#'+this.id); 
	$.teaser_nav     = $('.teaser_navigation #'+this.id.replace('image_','')+' div.item h3');
	
	$('.teaser_item div.item h3.active').animate({color: '#dfdfdf'}, 500, function(){
    $('.teaser_item div.item h3').each(function(index){
      $(this).removeClass('active').removeAttr('style');
    });
  });
    
  $('.teaser_links .teaser_abstract').each(function(index){
    $(this).removeClass('active');
  });
  
  $.teaser_nav.animate({color: '#e7271d'}, 500, function(){
    $(this).addClass('active').removeAttr('style');
  });
	$.teaser_element.next().addClass('active');
	$.teaser_element.next().next().addClass('active');
}; 

/*
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_nbGroup(event, grpName) { //v6.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}
*/
function popup(url,width,height) {
   var winl = (screen.width - width) / 2;
   var wint = (screen.height - height) / 2;
   var scrollbars = 'yes';
   var atts='width='+width+'show,height='+height+',top='+wint+',left='+winl+',scrollbars='+scrollbars;
	var newwindow=window.open(url,'',atts);
	if (window.focus) {newwindow.focus()}
	return false;
}

function externalLinks() {
    if (!document.getElementsByTagName) return;
    var anchors = document.getElementsByTagName("a");
    for (var i=0; i<anchors.length; i++) {
        var anchor = anchors[i];
        if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") {
            anchor.target = "_blank";
        }
    }
}
window.onload = externalLinks;