/**
 * @author Alexander Farkas
 * v. 1.02
 */
(function($) {
	$.extend($.fx.step,{
	    backgroundPosition: function(fx) {
            if (fx.state === 0 && typeof fx.end == 'string') {
                var start = $.curCSS(fx.elem,'backgroundPosition');
                start = toArray(start);
                fx.start = [start[0],start[2]];
                var end = toArray(fx.end);
                fx.end = [end[0],end[2]];
                fx.unit = [end[1],end[3]];
			}
            var nowPosX = [];
            nowPosX[0] = ((fx.end[0] - fx.start[0]) * fx.pos) + fx.start[0] + fx.unit[0];
            nowPosX[1] = ((fx.end[1] - fx.start[1]) * fx.pos) + fx.start[1] + fx.unit[1];           
            fx.elem.style.backgroundPosition = nowPosX[0]+' '+nowPosX[1];

           function toArray(strg){
               strg = strg.replace(/left|top/g,'0px');
               strg = strg.replace(/right|bottom/g,'100%');
               strg = strg.replace(/([0-9\.]+)(\s|\)|$)/g,"$1px$2");
               var res = strg.match(/(-?[0-9\.]+)(px|\%|em|pt)\s(-?[0-9\.]+)(px|\%|em|pt)/);
               return [parseFloat(res[1],10),res[2],parseFloat(res[3],10),res[4]];
           }
        }
	});
}) (jQuery);

$(document).ready(function() {

	$('.subnav').css('opacity', '0');

	$('#blockNav > li').hover(
		function() {
			$(this).children('ul').stop().fadeTo('slow', .85);
		},
		function() {
			$(this).children('ul').stop().fadeTo('slow', 0);
		}
	);

	$('#registerNow').css( {backgroundPosition: "0px 0px"} ).hover(
		function() {
			$(this).stop().animate(
				{backgroundPosition: "(0px -30px)"},
				{duration:100}
			);
		},
		function() {
			$(this).stop().animate(
				{backgroundPosition: "(0px 0px)"},
				{duration:400}
			);
		}
	);

	$('.switchVideoLong').click(function() {
		$('#shortVideo').fadeOut(
			function() {
				$('.switchVideoLong').addClass('sel');
				$('.switchVideoShort').removeClass('sel');
				$('#longVideo').fadeIn();
			});
		return false;
	
	});
	
	$('.switchVideoShort').click(function() {
		$('#longVideo').fadeOut(
			function() {
				$('.switchVideoShort').addClass('sel');
				$('.switchVideoLong').removeClass('sel');
				$('#shortVideo').fadeIn();
			});
		return false;
	});
	
	$('ul.eventSpeakers .bio').css('display', 'none');

	$('a.toggleBio').click(function(){
		$(this).parent().find('div.bio').slideToggle('fast');
		$(this).toggleClass('activeBio');
	})

	$('a#close').click(function(){
		// $('div#bigThanks').slideUp('slow');
		$(this).parent().parent().parent().find('div#bigThanksOverlay').fadeOut('fast', function() {
			$('div#bigThanks').slideUp('slow');
		});
	})
});