function initCombos() {

    var yearbox = $( 'year_select' );
    var i=0;
    
    for( var year in cfg.sorted_galleries ) {
        var yearstr = year.substr( 0 , year.length );
        var option = new Option( yearstr, yearstr );
        if( i==0 ) {
            option.selected = true;
        }
        yearbox.options[i] = option;
        i++;
    }
		
    setGalleryComboItems();
}

function setGalleryComboItems() {
    var yearbox = $( 'year_select' );
    var gallerybox = $( 'gallery_select' );
    var year = yearbox.options[yearbox.selectedIndex].value;

	var yy = year;

    var galleries = cfg.sorted_galleries[ yy ];
    
	gallerybox.options.length = 0;
    gallerybox.options[0] = new Option( "waehlen.." );
    for( var i=1; i<galleries.length+1; i++ ) {
        var gallery = galleries[ i-1 ];
        gallerybox.options[i] = new Option( gallery.name, gallery.id );
    }
    yearbox.blur();    
}

function yearChanged() {

    setGalleryComboItems();
     $( 'gallery_select' ).focus();
}

function galleryComboFocus() {
    var gallerybox = $( 'gallery_select' );
    Element.setStyle( gallerybox, {backgroundColor:"#EEE"});
}

function galleryComboBlur() {
    var gallerybox = $( 'gallery_select' );
    Element.setStyle( gallerybox, {backgroundColor:"#FFF"});
}

function galleryChanged() {
    var gallerybox = $( 'gallery_select' );
    window.location.href="gallery.php?gid="+gallerybox.options[gallerybox.selectedIndex].value;
}