// Angie Radtke 2009 //

// add Wai-Aria landmark-roles
window.addEvent('domready', function() {


$('nav').setProperties({
    role: 'navigation'

});

$('breadcrumbs').setProperties({
    role: 'breadcrumbs'

});

if($('mod_search_searchword'))
{
$('mod_search_searchword').setProperties({
    role: 'search'

});

}

$('main').setProperties({
    role: 'main'

});

if($('right'))
{

$('right').setProperties({
    role: 'contentinfo'

});

}

})

window.addEvent('domready', function() {

	// get ankers
	myankers=$(document.body).getElements('a.opencloselink');
    myankers.each(function(element) {
		 $(element).setProperty('role','tab');
		 myid=$(element).getProperty('id');
	     myid=myid.split('_');
		 myid='module_'+myid[1];
         $(element).setProperty('aria-controls',myid);

	})


    var list=$(document.body).getElements('div.moduletable_js')
   list.each(function(element) {

        if ($(element).getElement('div.module_content')) {

            el = $(element).getElement('div.module_content');
		    $(el).setProperty('role','tabpanel');
		    myid=$(el).getProperty('id');
	        myid=myid.split('_');
		    myid='link_'+myid[1];
		   	$(el).setProperty('aria-labelledby',myid);
            myclass= el.get('class');
		    one=  myclass.split(' ');
		   // search for active menu-item
 	       listelement=el.getElement('a.active');
           var unique=el.id ;
           nocookieset=readCookie(unique);
		           if ((listelement) || ((one[1]=='open') && (nocookieset==null)))
		           {
		             el.setStyle('display', 'block');
					 eltern=el.getParent();
		      		 elternh=eltern.getElement('h3');
					 elternbild=eltern.getElement('img');
		             elternbild.setProperties({
		      			 alt:altopen,
			   			 src:bildzu
		        	});
		        elternbild.focus();

           }
           else

           {
		    el.setStyle('display', 'none');
			el.setProperty('aria-expanded','false');




           }

          var unique=el.id ;
          cookieset=readCookie(unique);
	          if(cookieset=='block')
	          {
			  el.setStyle('display', 'block');
			  el.setProperty('aria-expanded','true');
	          }

       }
    });
});



window.addEvent('domready', function() {
what=$('right');
// if rightcolumn
	if (what!=null)
	{   whatid=what.id ;
	    rightcookie=readCookie(whatid);
		    if(rightcookie=='none')
		    {
		    what.setStyle('display', 'none');
			$('nav').addClass('leftbigger');
		    wrapperwidth(big);
		    grafik= $('bild');
		    $('bild').innerHTML=rightopen;
		    grafik.focus();
		    }
		}
});

function auf(key)
{
   el= $(key);

       if (el.style.display=='none')
       {
			el.setStyle('display', 'block');
		    el.setProperty('aria-expanded','true');

			   if(key!='right')
			   {  el.slide('hide').slide('in');
                  el.getParent().setProperty('class', 'slide')
		   	      eltern=el.getParent().getParent();
		          elternh=eltern.getElement('h3');
		          elternh.addClass('high');
		          elternbild=eltern.getElement('img');
		        // elternbild.focus();
			      el.focus();
		          elternbild.setProperties({
		          alt: altopen,
			      src:bildzu
		        });

				}

         if(key=='right')
         {
          document.getElementById('right').setStyle('display', 'block');
          wrapperwidth(small);
		   $('nav').removeClass('leftbigger');
          grafik= $('bild');
          $('bild').innerHTML=rightclose;
          grafik.focus();
        }
         // write cookie
         saveIt(key);

       }

       else
       {


	   el.setStyle('display', 'none');
	   el.setProperty('aria-expanded','false');


	     el.removeClass('open');

		  if(key!='right')
		  {
       eltern=el.getParent().getParent();
       elternh=eltern.getElement('h3');
       elternh.removeClass('high');
       elternbild=eltern.getElement('img');
	 //  alert(bildauf);
	   elternbild.setProperties({
       alt: altclose,
	   src:bildauf
        });
        elternbild.focus();


		}
       if(key=='right')
         {
          document.getElementById('right').setStyle('display', 'none');
          wrapperwidth(big);
		  $('nav').addClass('leftbigger');
          grafik= $('bild');
          $('bild').innerHTML=rightopen;
          grafik.focus();

         }

       saveIt(key);

       }

}

var Cookies = {
    init: function () {
        var allCookies = document.cookie.split('; ');
        for (var i=0;i<allCookies.length;i++) {
            var cookiePair = allCookies[i].split('=');
            this[cookiePair[0]] = cookiePair[1];
        }
    },
    create: function (name,value,days) {
        if (days) {
            var date = new Date();
            date.setTime(date.getTime()+(days*24*60*60*1000));
            var expires = "; expires="+date.toGMTString();
        }
        else var expires = "";
        document.cookie = name+"="+value+expires+"; path=/";
        this[name] = value;
    },
    erase: function (name) {
        this.create(name,'',-1);
        this[name] = undefined;
    }
};
Cookies.init();




function saveIt(name) {

    var x = $(name).style.display;

    if (!x)
        alert('No cookie available');
    else {
        Cookies.create(name,x,7);


    }
}



function eraseIt(name) {
    Cookies.erase(name);
  }

function init() {
    for (var i=1;i<3;i++) {
        var x = Cookies['status' + i];
        if (x) alert('Cookie status' + i + '\nthat you set on a previous visit, is still active.\nIts value is ' + x);
    }
}
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;
}

function wrapperwidth(width)
{
$('wrapper').setStyle('width', width);

}

// ###########  Tabfunctions ####################

window.addEvent('domready', function() {
alldivs=$(document.body).getElements('div.tabcontent');
outerdivs=$(document.body).getElements('div.tabouter');
outerdivs=outerdivs.getProperty('id');

for (i=0; i< outerdivs.length; i++)
{
alldivs=$(outerdivs[i]).getElements('div.tabcontent');
count=0;
	alldivs.each(function(element)
			{ count++;
			$(element).setProperty('role','tabpanel');
			$(element).setProperty('aria-hidden','false');
			$(element).setProperty('aria-expanded','true');
			elid=$(element).getProperty('id');
		    elid=elid.split('_');
			elid='link_'+elid[1];
			$(element).setProperty('aria-labelledby',elid);

					if(count!=1)
					{
					$(element).addClass('tabclosed').removeClass('tabopen');


 $(element).setProperty('aria-hidden','true');
 $(element).setProperty('aria-expanded','false');
			}
			}
	)

countankers=0;
allankers=$(outerdivs[i]).getElement('ul.tabs').getElements('a');

		allankers.each(function(element)
		{   countankers++;
		    $(element).setProperty('aria-selected','true');
			 $(element).setProperty('role','tab');
			linkid=$(element).getProperty('id');
  		    moduleid =linkid.split('_');
			moduleid= 'module_'+moduleid[1];
			$(element).setProperty('aria-controls',moduleid);
				if(countankers!=1)
			{
				$(element).addClass('linkclosed').removeClass('linkopen');
				 $(element).setProperty('aria-selected','false');
			}

		})

}});


function tabshow(el)
{


outerdiv=$(el).getParent();
outerdiv=outerdiv.getProperty('id');

alldivs=$(outerdiv).getElements('div.tabcontent');
liste=$(outerdiv).getElement('ul.tabs');


$(liste).getElements('a').setProperty('aria-selected','false');
alldivs.each(function(element){

	$(element).addClass('tabclosed').removeClass('tabopen');
	$(element).setProperty('aria-hidden','true');
	$(element).setProperty('aria-expanded','false');


})

$(el).addClass('tabopen').removeClass('tabclosed');
$(el).setProperty('aria-hidden','false');
$(el).setProperty('aria-expanded','true');
$(el).focus();
getid=el.split('_');
activelink='link_'+getid[1];
$(activelink).setProperty('aria-selected','true');
$(liste).getElements('a').addClass('linkclosed').removeClass('linkopen');
$(activelink).addClass('linkopen').removeClass('linkclosed');


}

function nexttab(el)
{   outerdiv=$(el).getParent();
	liste=$(outerdiv).getElement('ul.tabs');
	getid=el.split('_');
	activelink='link_'+getid[1];
	aktiverlink=$(activelink).getProperty('aria-selected');
	tablinks=$(liste).getElements('a').getProperty('id');
    for(var i=0;i < tablinks.length;i++)
	{
	if (tablinks[i]== activelink)
	{
       if($(tablinks[i+1])!=null)
	   {

		$(tablinks[i+1]).onclick();
		break;
		}



		  	}

	}

}