/*
 * ul2finder
 * written by Christian Heilmann (http://icant.co.uk)
 * turns the nested list with the ID "finder" into a dynamic list
 * uses the CSS classes defined in the variables
 */
function ul2finder()
{
        // Define variables used and classes to be applied/removed
        var i,uls,als,finder;
        var parentClass='parent';
        var showClass='shown';
        var hideClass='hidden';
        var openClass='open';

        // check if our finder list exists, if not, stop all activities
        finder=document.getElementById('finder');
        if(!finder){return;}

        // add the class domenabled to the body
        cssjs('add',document.body,'domenabled')

        // loop through all lists inside finder, position and hide them
        // by applying the class hidden
        uls=document.getElementById('finder').getElementsByTagName('ul');
        for(i=0;i<uls.length;i++)
        {
                cssjs('add',uls[i],hideClass);
        }

        // loop through all links of inside finder
        lis=document.getElementById('finder').getElementsByTagName('li');
        for(i=0;i<lis.length;i++)
        {
                // if the li containing the link has no nested list, skip this one
                if(!lis[i].getElementsByTagName('ul')[0])
                {

                        continue;
                }
                var newa=document.createElement('a');
                newa.href='#';
                newa.appendChild(document.createTextNode(lis[i].firstChild.nodeValue));
                lis[i].replaceChild(newa,lis[i].firstChild);
                // otherwise apply the parent class
                cssjs('add',newa,parentClass);

                // if the user clicks on the link
                lis[i].getElementsByTagName('a')[0].onmouseover=function()
                {
                // loop through all lists inside finder
                        for(var i=0;i<uls.length;i++)
                        {
                                // avoid the list connected to this link
                                var found=false;
                                for(j=0;j<uls[i].getElementsByTagName('ul').length;j++)
                                {
                                        if(uls[i].getElementsByTagName('ul')[j] ==
                                                this.parentNode.getElementsByTagName('ul')[0])
                                        {
                                                found=true;
                                                break;
                                        }
                                }
                                // and hide all others
                                if(!found)
                                {
                                        cssjs('add',uls[i],hideClass)
                                        cssjs('remove',uls[i],showClass)
                                        cssjs('remove',uls[i].parentNode.getElementsByTagName('a')[0],openClass)
                                        cssjs('add',uls[i].parentNode.getElementsByTagName('a')[0],parentClass)
                                }
                        }
                        // change the current link from parent to open
                        cssjs('swap',this,parentClass,openClass)
                        // show the current nested list
                        cssjs('add',this.parentNode.getElementsByTagName('ul')[0],showClass)

                        // don't follow the real HREF of the link
                        return false;
                }
        }
        /*
         * cssjs
         * written by Christian Heilmann (http://icant.co.uk)
         * eases the dynamic application of CSS classes via DOM
         * parameters: action a, object o and class names c1 and c2 (c2 optional)
         * actions: swap exchanges c1 and c2 in object o
         *                        add adds class c1 to object o
         *                        remove removes class c1 from object o
         *                        check tests if class c1 is applied to object o
         * example:        cssjs('swap',document.getElementById('foo'),'bar','baz');
         */
        function cssjs(a,o,c1,c2)
        {
                switch (a){
                        case 'swap':
                                o.className=!cssjs('check',o,c1)?o.className.replace(c2,c1):o.className.replace(c1,c2);
                        break;
                        case 'add':
                                if(!cssjs('check',o,c1)){o.className+=o.className?' '+c1:c1;}
                        break;
                        case 'remove':
                                var rep=o.className.match(' '+c1)?' '+c1:c1;
                                o.className=o.className.replace(rep,'');
                        break;
                        case 'check':
                                return new RegExp('\\b'+c1+'\\b').test(o.className)
                        break;
                }
        }
}

// Check if the browser supports DOM, and start the script if it does.
if(document.getElementById && document.createTextNode)
{
        window.onload=ul2finder;
}
// Menü zumachen bei mouseover der ersten Ebene ohne untermenü
function SwitchOff() {
        var hideClass='hidden';
        var showClass='shown';
        var openClass='open';
        uls=document.getElementById('finder').getElementsByTagName('ul');
        for(i=0;i<uls.length;i++)
        {
                cssjs('remove',uls[i],showClass);
        }
        as=document.getElementById('finder').getElementsByTagName('a');
        for(i=0;i<as.length;i++)
        {
                cssjs('remove',as[i],openClass);
        }
         function cssjs(a,o,c1,c2)
        {
                switch (a){
                        case 'swap':
                                o.className=!cssjs('check',o,c1)?o.className.replace(c2,c1):o.className.replace(c1,c2);
                        break;
                        case 'add':
                                if(!cssjs('check',o,c1)){o.className+=o.className?' '+c1:c1;}
                        break;
                        case 'remove':
                                var rep=o.className.match(' '+c1)?' '+c1:c1;
                                o.className=o.className.replace(rep,'');
                        break;
                        case 'check':
                                return new RegExp('\\b'+c1+'\\b').test(o.className)
                        break;
                }
        }
}

//Bildwechsel bei den DEHASeiten
function changeImages() {

                for (var i=0; i<changeImages.arguments.length; i+=2) {
                        document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
                }
        }

//Generelles ein- und ausblenden
function Show(WichOne){
         var Item= document.getElementById(WichOne);
         Item.style.display='block';
         return
         }
function Hide(WichOne){
         var Item= document.getElementById(WichOne);
         Item.style.display='none';
         return
         }

//Popup.
function popup (location,Name,H,W,T,L) {
        window.open (location, Name, H, W, T, L);
}