function activateNavItem(id){
        document.getElementById(id).setAttribute("class", "active");
}

function toogleAbstract(id) {
        if (document.getElementById(id).getAttribute("class")=="hidden_abstract") {
                document.getElementById(id).setAttribute("class", "visible_abstract");
                document.getElementById('toogle_'+id).firstChild.nodeValue="[hide abstract]";
        } else {
                document.getElementById(id).setAttribute("class", "hidden_abstract");
                document.getElementById('toogle_'+id).firstChild.nodeValue="[show abstract]";
    }
}

function loadMap(id, latitude, longitude) {
        if (GBrowserIsCompatible()) {
                var map = new GMap2(document.getElementById('map_' + id));
                map.setCenter(new GLatLng(latitude, longitude), 13);

	        map.addControl(new GLargeMapControl());
                map.addControl(new GMapTypeControl);

                var point = new GLatLng(latitude, longitude);
                map.addOverlay(new GMarker(point));
        }
}

function toogleMap(id, latitude, longitude) {
        if (document.getElementById('map_' + id).getAttribute("class")=="hidden_map") {
                document.getElementById('map_' + id).setAttribute("class", "visible_map");

                document.getElementById('toogle_'+id).firstChild.nodeValue="[Hide map]";
                loadMap(id, latitude, longitude);
        } else {
                document.getElementById('map_' + id).setAttribute("class", "hidden_map");
                document.getElementById('toogle_'+id).firstChild.nodeValue="[Show map]";
    }
}

popBoxWaitImage.src = "img/spinner40.gif";
popBoxRevertImage = "img/magminus.gif";
popBoxPopImage = "img/magplus.gif";