(function() {
var triggerBttn = document.getElementById('trigger-overlay'),
    triggerBttnTwo = document.getElementById('trigger-overlay-two'),
    triggerBttnThree = document.getElementById('trigger-overlay-three'),
    triggerBttnFour = document.getElementById('trigger-overlay-four'),
    triggerBttnFive = document.getElementById('trigger-overlay-five'),
    triggerBttnSix = document.getElementById('trigger-overlay-six'),
    triggerBttnSeven = document.getElementById('trigger-overlay-seven'),
    triggerBttnEight = document.getElementById('trigger-overlay-eight'),
    triggerBttnNine = document.getElementById('trigger-overlay-nine'),
    triggerBttnTen = document.getElementById('trigger-overlay-ten'),
    triggerBttnEleven = document.getElementById('trigger-overlay-eleven'),
    triggerBttnTwelve = document.getElementById('trigger-overlay-twelve'),
    triggerBttnThirteen = document.getElementById('trigger-overlay-thirteen'),
    triggerBttnFourteen = document.getElementById('trigger-overlay-fourteen'),
    triggerBttnFifteen = document.getElementById('trigger-overlay-fifteen'),
    triggerBttnSixteen = document.getElementById('trigger-overlay-sixteen'),
    triggerBttnSeventeen = document.getElementById('trigger-overlay-seventeen'),
    triggerBttnEighteen = document.getElementById('trigger-overlay-eighteen'),
    triggerBttnNineteen = document.getElementById('trigger-overlay-nineteen'),
    triggerBttnTwenty = document.getElementById('trigger-overlay-twenty'),
    triggerBttnTwentyone = document.getElementById('trigger-overlay-twenty-one'),
    triggerBttnTwentytwo = document.getElementById('trigger-overlay-twenty-two'),
    triggerBttnTwentythree = document.getElementById('trigger-overlay-twenty-three'),
    triggerBttnTwentyfour = document.getElementById('trigger-overlay-twenty-four'),
    triggerBttnTwentyfive = document.getElementById('trigger-overlay-twenty-five'),
    triggerBttnTwentysix = document.getElementById('trigger-overlay-twenty-six'),
    triggerBttnTwentyseven = document.getElementById('trigger-overlay-twenty-seven'),
    triggerBttnTwentyeight = document.getElementById('trigger-overlay-twenty-eight'),
    triggerBttnTwentynine = document.getElementById('trigger-overlay-twenty-nine'),
    triggerBttnThirtyone = document.getElementById('trigger-overlay-thirty-one'),
    triggerBttnThirtytwo = document.getElementById('trigger-overlay-thirty-two'),
    triggerBttnThirtythree = document.getElementById('trigger-overlay-thirty-three'),
    triggerBttnThirtyfour = document.getElementById('trigger-overlay-thirty-four'),
    triggerBttnThirtyfive = document.getElementById('trigger-overlay-thirty-five'),
    triggerBttnThirtysix = document.getElementById('trigger-overlay-thirty-six'),
    triggerBttnThirtyseven = document.getElementById('trigger-overlay-thirty-seven'),
    triggerBttnThirtyeight = document.getElementById('trigger-overlay-thirty-eight'),
    triggerBttnThirtynine = document.getElementById('trigger-overlay-thirty-nine'),
    triggerBttnForty = document.getElementById('trigger-overlay-forty'),
    triggerBttnFortyone = document.getElementById('trigger-overlay-forty-one'),
    triggerBttnFortytwo = document.getElementById('trigger-overlay-forty-two'),
    triggerBttnFortythree = document.getElementById('trigger-overlay-forty-three'),
    triggerBttnFortyfour = document.getElementById('trigger-overlay-forty-four'),
    triggerBttnFortyfive = document.getElementById('trigger-overlay-forty-five'),
    triggerBttnFortysix = document.getElementById('trigger-overlay-forty-six'),
    triggerBttnFortyseven = document.getElementById('trigger-overlay-forty-seven'),
    triggerBttnFortynine = document.getElementById('trigger-overlay-forty-nine'),
    triggerBttnFifty = document.getElementById('trigger-overlay-fifty'),
    triggerBttnFiftyone = document.getElementById('trigger-overlay-fifty-one'),
    triggerBttnFiftysix = document.getElementById('trigger-overlay-fifty-six'),
    triggerBttnFiftyseven = document.getElementById('trigger-overlay-fifty-seven'),
    triggerBttnFiftyeight = document.getElementById('trigger-overlay-fifty-eight'),
    triggerBttnSixtythree = document.getElementById('trigger-overlay-sixty-three'),
    triggerBttnSixtyfour = document.getElementById('trigger-overlay-sixty-four'),
    triggerBttnSixtyfive = document.getElementById('trigger-overlay-sixty-five'),
    triggerBttnSixtysix = document.getElementById('trigger-overlay-sixty-six'),
    triggerBttnSeventyone = document.getElementById('trigger-overlay-seventy-one'),
    triggerBttnSeventytwo = document.getElementById('trigger-overlay-seventy-two'),
    triggerBttnSeventythree = document.getElementById('trigger-overlay-seventy-three'),
    triggerBttnSeventyfour = document.getElementById('trigger-overlay-seventy-four'),
    triggerBttnSeventyfive = document.getElementById('trigger-overlay-seventy-five'),
    triggerBttnSeventysix = document.getElementById('trigger-overlay-seventy-six'),
    triggerBttnSeventyseven = document.getElementById('trigger-overlay-seventy-seven'),
    triggerBttnSeventyeight = document.getElementById('trigger-overlay-seventy-eight'),
    triggerBttnSeventynine = document.getElementById('trigger-overlay-seventy-nine'),
    triggerBttnEightyone = document.getElementById('trigger-overlay-eighty-one'),
    triggerBttnEightytwo = document.getElementById('trigger-overlay-eighty-two'),
    triggerBttnEightythree = document.getElementById('trigger-overlay-eighty-three'),
    triggerBttnEightyfour = document.getElementById('trigger-overlay-eighty-four'),
    triggerBttnEightyfive = document.getElementById('trigger-overlay-eighty-five'),
    triggerBttnEightysix = document.getElementById('trigger-overlay-eighty-six'),
    triggerBttnEightyseven = document.getElementById('trigger-overlay-eighty-seven'),
    triggerBttnEightyeight = document.getElementById('trigger-overlay-eighty-eight'),
    triggerBttnEightynine = document.getElementById('trigger-overlay-eighty-nine'),
    triggerBttnNinety = document.getElementById('trigger-overlay-ninety'),
    triggerBttnNinetyone = document.getElementById('trigger-overlay-ninety-one'),
    triggerBttnNinetytwo = document.getElementById('trigger-overlay-ninety-two'),
    triggerBttnNinetythree = document.getElementById('trigger-overlay-ninety-three'),
    triggerBttnNinetyfour = document.getElementById('trigger-overlay-ninety-four'),
    triggerBttnNinetyfive = document.getElementById('trigger-overlay-ninety-five'),
    triggerBttnNinetysix = document.getElementById('trigger-overlay-ninety-six'),
    triggerBttnNinetyseven = document.getElementById('trigger-overlay-ninety-seven'),
    triggerBttnNinetynine = document.getElementById('trigger-overlay-ninety-nine'),
    triggerBttnOnehundredandtwo = document.getElementById('trigger-overlay-one-hundred-and-two'),
    triggerBttnOnehundredandthree = document.getElementById('trigger-overlay-one-hundred-and-three'),
    triggerBttnOnehundredandfour = document.getElementById('trigger-overlay-one-hundred-and-four'),
    triggerBttnOnehundredandfive = document.getElementById('trigger-overlay-one-hundred-and-five'),
    triggerBttnOnehundredandsix = document.getElementById('trigger-overlay-one-hundred-and-six'),
    triggerBttnOnehundredandseven = document.getElementById('trigger-overlay-one-hundred-and-seven'),
    triggerBttnOnehundredandten = document.getElementById('trigger-overlay-one-hundred-and-ten'),
    triggerBttnOnehundredandtwelve = document.getElementById('trigger-overlay-one-hundred-and-twelve'),
    triggerBttnOnehundredandthirteen = document.getElementById('trigger-overlay-one-hundred-and-thirteen'),
    triggerBttnOnehundredandfourteen = document.getElementById('trigger-overlay-one-hundred-and-fourteen'),
    triggerBttnOnehundredandfifteen = document.getElementById('trigger-overlay-one-hundred-and-fifteen'),
    triggerBttnOnehundredandsixteen = document.getElementById('trigger-overlay-one-hundred-and-sixteen'),
    triggerBttnOnehundredandseventeen = document.getElementById('trigger-overlay-one-hundred-and-seventeen'),
    triggerBttnOnehundredandeighteen = document.getElementById('trigger-overlay-one-hundred-and-eighteen'),
    triggerBttnOnehundredandnineteen = document.getElementById('trigger-overlay-one-hundred-and-nineteen'),
    triggerBttnOnehundredandtwenty = document.getElementById('trigger-overlay-one-hundred-and-twenty'),
    triggerBttnOnehundredandtwentyone = document.getElementById('trigger-overlay-one-hundred-and-twenty-one'),
    triggerBttnOnehundredandtwentytwo = document.getElementById('trigger-overlay-one-hundred-and-twenty-two'),
    triggerBttnOnehundredandtwentythree = document.getElementById('trigger-overlay-one-hundred-and-twenty-three'),
    triggerBttnOnehundredandtwentyseven = document.getElementById('trigger-overlay-one-hundred-and-twenty-seven'),
    triggerBttnOnehundredandtwentynine = document.getElementById('trigger-overlay-one-hundred-and-twenty-nine'),
    triggerBttnOnehundredandthirty = document.getElementById('trigger-overlay-one-hundred-and-thirty'),
    triggerBttnOnehundredandthirtyone = document.getElementById('trigger-overlay-one-hundred-and-thirty-one'),
    triggerBttnOnehundredandthirtytwo = document.getElementById('trigger-overlay-one-hundred-and-thirty-two'),
    triggerBttnOnehundredandthirtythree = document.getElementById('trigger-overlay-one-hundred-and-thirty-three'),
        overlay = document.querySelector('div.overlay'),
    closeBttn = overlay.querySelector('a.overlay-close');
    transEndEventNames = {
        'WebkitTransition': 'webkitTransitionEnd',
        'MozTransition': 'transitionend',
        'OTransition': 'oTransitionEnd',
        'msTransition': 'MSTransitionEnd',
        'transition': 'transitionend'
    },
    transEndEventName = transEndEventNames[ Modernizr.prefixed( 'transition' ) ],
    support = { transitions : Modernizr.csstransitions };

    function toggleOverlay() {
        if( classie.has( overlay, 'open' ) ) {
            classie.remove( overlay, 'open' );
            classie.add( overlay, 'close' );
            var onEndTransitionFn = function( ev ) {
                if( support.transitions ) {
                    if( ev.propertyName !== 'visibility' ) return;
                    this.removeEventListener( transEndEventName, onEndTransitionFn );
                }
                classie.remove( overlay, 'close' );
            };
            if( support.transitions ) {
                overlay.addEventListener( transEndEventName, onEndTransitionFn );
            }
            else {
                onEndTransitionFn();
            }
            $( "body" ).removeClass( "noscroll" );
        }
        else if( !classie.has( overlay, 'close' ) ) {
            classie.add( overlay, 'open' );
            $( "body" ).addClass( "noscroll" );
        }
        $("div.overlay").animate({ scrollTop: 0 }, "slow");
    }

    $(document).bind('keydown',function(e){
        if ( e.which == 27 ) {
            toggleOverlay();
        };
    });
    
    closeBttn.addEventListener('click', toggleOverlay);
    
	triggerBttn.addEventListener('click', toggleOverlay);
    triggerBttnTwo.addEventListener('click', toggleOverlay);
    triggerBttnThree.addEventListener('click', toggleOverlay);
    triggerBttnFour.addEventListener('click', toggleOverlay);
    triggerBttnFive.addEventListener('click', toggleOverlay);
    triggerBttnSix.addEventListener('click', toggleOverlay);
    triggerBttnSeven.addEventListener('click', toggleOverlay);
    triggerBttnEight.addEventListener('click', toggleOverlay);
    triggerBttnNine.addEventListener('click', toggleOverlay);
    triggerBttnTen.addEventListener('click', toggleOverlay);
    triggerBttnEleven.addEventListener('click', toggleOverlay);
    triggerBttnTwelve.addEventListener('click', toggleOverlay);
    triggerBttnThirteen.addEventListener('click', toggleOverlay);
    triggerBttnFourteen.addEventListener('click', toggleOverlay);
    triggerBttnFifteen.addEventListener('click', toggleOverlay);
    triggerBttnSixteen.addEventListener('click', toggleOverlay);
    triggerBttnSeventeen.addEventListener('click', toggleOverlay);
    triggerBttnEighteen.addEventListener('click', toggleOverlay);
    triggerBttnNineteen.addEventListener('click', toggleOverlay);
    triggerBttnTwenty.addEventListener('click', toggleOverlay);
    triggerBttnTwentyone.addEventListener('click', toggleOverlay);
    triggerBttnTwentytwo.addEventListener('click', toggleOverlay);
    triggerBttnTwentythree.addEventListener('click', toggleOverlay);
    triggerBttnTwentyfour.addEventListener('click', toggleOverlay);
    triggerBttnTwentyfive.addEventListener('click', toggleOverlay);
    triggerBttnTwentysix.addEventListener('click', toggleOverlay);
    triggerBttnTwentyseven.addEventListener('click', toggleOverlay);
    triggerBttnTwentyeight.addEventListener('click', toggleOverlay);
    triggerBttnTwentynine.addEventListener('click', toggleOverlay);
    triggerBttnThirtyone.addEventListener('click', toggleOverlay);
    triggerBttnThirtytwo.addEventListener('click', toggleOverlay);
    triggerBttnThirtythree.addEventListener('click', toggleOverlay);
    triggerBttnThirtyfour.addEventListener('click', toggleOverlay);
    triggerBttnThirtyfive.addEventListener('click', toggleOverlay);
    triggerBttnThirtysix.addEventListener('click', toggleOverlay);
    triggerBttnThirtyseven.addEventListener('click', toggleOverlay);
    triggerBttnThirtyeight.addEventListener('click', toggleOverlay);
    triggerBttnThirtynine.addEventListener('click', toggleOverlay);
    triggerBttnForty.addEventListener('click', toggleOverlay);
    triggerBttnFortyone.addEventListener('click', toggleOverlay);
    triggerBttnFortytwo.addEventListener('click', toggleOverlay);
    triggerBttnFortythree.addEventListener('click', toggleOverlay);
    triggerBttnFortyfour.addEventListener('click', toggleOverlay);
    triggerBttnFortyfive.addEventListener('click', toggleOverlay);
    triggerBttnFortysix.addEventListener('click', toggleOverlay);
    triggerBttnFortyseven.addEventListener('click', toggleOverlay);
    triggerBttnFortynine.addEventListener('click', toggleOverlay);
    triggerBttnFifty.addEventListener('click', toggleOverlay);
    triggerBttnFiftyone.addEventListener('click', toggleOverlay);
    triggerBttnFiftysix.addEventListener('click', toggleOverlay);
    triggerBttnFiftyseven.addEventListener('click', toggleOverlay);
    triggerBttnFiftyeight.addEventListener('click', toggleOverlay);
    triggerBttnSixtythree.addEventListener('click', toggleOverlay);
    triggerBttnSixtyfour.addEventListener('click', toggleOverlay);
    triggerBttnSixtyfive.addEventListener('click', toggleOverlay);
    triggerBttnSixtysix.addEventListener('click', toggleOverlay);
    triggerBttnSeventyone.addEventListener('click', toggleOverlay);
    triggerBttnSeventytwo.addEventListener('click', toggleOverlay);
    triggerBttnSeventythree.addEventListener('click', toggleOverlay);
    triggerBttnSeventyfour.addEventListener('click', toggleOverlay);
    triggerBttnSeventyfive.addEventListener('click', toggleOverlay);
    triggerBttnSeventysix.addEventListener('click', toggleOverlay);
    triggerBttnSeventyseven.addEventListener('click', toggleOverlay);
    triggerBttnSeventyeight.addEventListener('click', toggleOverlay);
    triggerBttnSeventynine.addEventListener('click', toggleOverlay);
    triggerBttnEightyone.addEventListener('click', toggleOverlay);
    triggerBttnEightytwo.addEventListener('click', toggleOverlay);
    triggerBttnEightythree.addEventListener('click', toggleOverlay);
    triggerBttnEightyfour.addEventListener('click', toggleOverlay);
    triggerBttnEightyfive.addEventListener('click', toggleOverlay);
    triggerBttnEightysix.addEventListener('click', toggleOverlay);
    triggerBttnEightyseven.addEventListener('click', toggleOverlay);
    triggerBttnEightyeight.addEventListener('click', toggleOverlay);
    triggerBttnEightynine.addEventListener('click', toggleOverlay);
    triggerBttnNinety.addEventListener('click', toggleOverlay);
    triggerBttnNinetyone.addEventListener('click', toggleOverlay);
    triggerBttnNinetytwo.addEventListener('click', toggleOverlay);
    triggerBttnNinetythree.addEventListener('click', toggleOverlay);
    triggerBttnNinetyfour.addEventListener('click', toggleOverlay);
    triggerBttnNinetyfive.addEventListener('click', toggleOverlay);
    triggerBttnNinetysix.addEventListener('click', toggleOverlay);
    triggerBttnNinetyseven.addEventListener('click', toggleOverlay);
    triggerBttnNinetynine.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandtwo.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandthree.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfour.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfive.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandsix.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandseven.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandten.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandtwelve.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandthirteen.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfourteen.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfifteen.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandsixteen.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandseventeen.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandeighteen.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandnineteen.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandtwenty.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandtwentyone.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandtwentytwo.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandtwentythree.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandtwentyseven.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandtwentynine.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandthirty.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandthirtyone.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandthirtytwo.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandthirtythree.addEventListener('click', toggleOverlay);
        
    return false;
})();