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

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

    // use this to pull the images in the order they appear in the markup
    var $next =  $active.next().length ? $active.next()
        : $('#slideshow IMG:first');

    // uncomment the 3 lines below to pull the images in random order
    
    // var $sibs  = $active.siblings();
    // var rndNum = Math.floor(Math.random() * $sibs.length );
    // var $next  = $( $sibs[ rndNum ] );


    $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 );
});




// homepage tabs
$(function () {


	// array of arrow tab position values
	var tab_arrow = Array(-10,20,60,100,135,165);
	var tab_pos_value;
	// hide right tabs
	var home_tabs = $('#home_right > div');
	home_tabs.hide().filter(':first').show();
	$('#tab_arrow').show();
	
	// get rid of bottom border of tab li links
	$('#home_left ul li:last').css({'border-bottom-style': 'none'})
	
	$('#home_left ul.left_nav a').click(function () {
		home_tabs.hide().filter('#tab_arrow').show();
		tab_pos_value = this.hash.replace('#','');
		tab_pos_value--;
		$('#tab_arrow').css({'margin-top' : tab_arrow[tab_pos_value]});
		home_tabs.filter(this.hash).fadeIn("slow");
		$('#home_left ul.left_nav a').removeClass('selected');
		$(this).addClass('selected');
		return false;
	}).filter(':first').click();
});