function equalHeights(group) {
	var tallest = 0;
	group.each(function() {
		var thisHeight = $(this).height();
		if(thisHeight > tallest) {
			tallest = thisHeight;
		}
	});
	group.height(tallest + 20);
}

/* placeholder */
jQuery(function(){


	jQuery("#nav ul li:has(div) span a").toggle(function(){
			var id = $(this).attr('id').split('-')[3];
			var subUL = jQuery('#nav-sub-'+id);
			var slideTime = $('li', subUL).length * 40;
			subUL.slideDown(slideTime);
			return false;
	},function(){
			var id = $(this).attr('id').split('-')[3];
			var subUL = jQuery('#nav-sub-'+id);
			var slideTime = $('li', subUL).length * 10;
			subUL.slideUp(slideTime);
			return false;
	})

	if((jQuery('body').hasClass('del-mar') || window.location.href.indexOf('del-mar') !== -1 ) && jQuery('#sidebar-top-items').length == 0) {
		// jQuery('body').append('<div id="sidebar-top-items"><img src="/images/co-sponsor-sidebar.gif" width="188" height="15" alt="co-sponsor"><br><img src="/images/logo_garnier_nutritioniste_188x81_trans.gif" width="188" height="81" alt="Garnier Nutritioniste"></div>')
	}
	

	jQuery('#reduceTheseSponsorLogos tr td img').each(function(){
		var factor = 0.75
		var h = parseInt( $(this).height() * factor, 10);
		var w = parseInt( $(this).width() * factor, 10);
		$(this).attr('height',h).attr('width',w);
	});
	
	jQuery('#giftBagLink').toggle(function(){
		$('#giftBagContent').slideDown();
		return false;
	}, function(){
		$('#giftBagContent').slideUp();
		return false;
	});
	$('#giftBagContent').click(function(){
		$('#giftBagLink').click();
	});
	// 0123  4567    8 9 10 11
	equalHeights($('table.del-mar-speakers-table-holder tr td table.speakers tr th:eq(0),table.del-mar-speakers-table-holder tr td table.speakers tr th:gt(0):lt(4)'));
	equalHeights($('table.del-mar-speakers-table-holder tr td table.speakers tr th:gt(3):lt(8)'));
	equalHeights($('table.del-mar-speakers-table-holder tr td table.speakers tr th:gt(7):lt(12)'));


	// alert($('.a-top-sidebar-item').length);
	if ($('.a-top-sidebar-item, #baby-bump-and-beyond, #sidebar-top-items').length > 0) {
		$('#sidebar-wiz-marketing-logo').hide();
	}
	

});

function startSlideshow(start_frame, end_frame, delay) {
	setTimeout(switchSlides(start_frame,start_frame,end_frame, delay), delay);
}

function switchSlides(frame, start_frame, end_frame, delay) {
	return (function() {
		jQuery('#slideshow' + frame).fadeOut()
		//Effect.Fade('slideshow' + frame);
		if (frame == end_frame) { frame = start_frame; } else { frame = frame + 1; }
		setTimeout("jQuery('#slideshow" + frame + "').fadeIn();", 850);
		//setTimeout("Effect.Appear('slideshow" + frame + "');", 850);
		setTimeout(switchSlides(frame, start_frame, end_frame, delay), delay + 850);
	})
}