var timeout         = 500;
var closetimer		= 0;
var ddmenuitem      = 0;

function mainmenu_open()
{	mainmenu_canceltimer();
	mainmenu_close();
	ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');}

function mainmenu_close()
{	if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');}

function mainmenu_timer()
{	closetimer = window.setTimeout(mainmenu_close, timeout);}

function mainmenu_canceltimer()
{	if(closetimer)
	{	window.clearTimeout(closetimer);
		closetimer = null;}}

$(document).ready(function()
{	$('#mainmenu > li').bind('mouseover', mainmenu_open);
	$('#mainmenu > li').bind('mouseout',  mainmenu_timer);});

document.onclick = mainmenu_close;

function slideSwitch() {
    var $active = $('#slideshow IMG.active');

    if ( $active.length == 0 ) $active = $('#slideshow IMG:last');

    var $next =  $active.next().length ? $active.next()
        : $('#slideshow IMG:first');

    $active.addClass('last-active');

    $next.css({opacity: 0.0})
        .addClass('active')
        .animate({opacity: 1.0}, 1000, function() {
            $active.removeClass('active last-active');
        });
}

$(function() {
    setInterval( "slideSwitch()", 5000 );
});