/* easytoggle2.js

   - Simon Willison, 5th November 2003

   - See http://simon.incutio.com/archive/2003/11/06/easytoggle

*/



addEvent(window, 'load', et_init);



var et_toggleElements = [];



/* Initialisation */

/* first op 'false' gezet zodat alle divs onafgebeeld zijn bij het

eerste laden van de pagina. Pas na klik op een van de links wordt

die zichtbaar*/

function et_init() {

    var i, link, id, target, first;

    first = false;

    for (i = 0; (link = document.links[i]); i++) {

        if (/\btoggle\b/.exec(link.className)) {

            id = link.href.split('#')[1];

            target = document.getElementById(id);

            et_toggleElements[et_toggleElements.length] = target;

            if (first) {

                first = false;

            } else {

                target.style.display = 'none';

            }

            link.onclick = et_toggle;

        }

    }

}



function et_toggle(e) {

    /* Adapted from http://www.quirksmode.org/js/events_properties.html */

    if (typeof e == 'undefined') {

        var e = window.event;

    }

    var source;

    if (typeof e.target != 'undefined') {

        source = e.target;

    } else if (typeof e.srcElement != 'undefined') {

        source = e.srcElement;

    } else {

        return true;

    }

    /* For most browsers, targ would now be a link element; Safari however

       returns a text node so we need to check the node type to make sure */

    if (source.nodeType == 3) {

        source = source.parentNode;

    }

    var id = source.href.split('#')[1];

    var elem;

    for (var i = 0; (elem = et_toggleElements[i]); i++) {

        if (elem.id != id) {

            elem.style.display = 'none';

        } else {

            elem.style.display = 'block';

        }

    }

    return false;

}



/* Thanks to Scott Andrew */

function addEvent(obj, evType, fn){

    if (obj.addEventListener) {

        obj.addEventListener(evType, fn, true);

        return true;

    } else if (obj.attachEvent) {

        var r = obj.attachEvent("on"+evType, fn);

        return r;

    } else {

	    return false;

    }

}