(function() {
var triggerBttn = document.getElementById('trigger-overlay'),
    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'),
    triggerBttnEleven = document.getElementById('trigger-overlay-eleven'),
    triggerBttnEighteen = document.getElementById('trigger-overlay-eighteen'),
    triggerBttnTwentyeight = document.getElementById('trigger-overlay-twenty-eight'),
    triggerBttnThirtyfour = document.getElementById('trigger-overlay-thirty-four'),
    triggerBttnThirtyfive = document.getElementById('trigger-overlay-thirty-five'),
    triggerBttnFortynine = document.getElementById('trigger-overlay-forty-nine'),
    triggerBttnFifty = document.getElementById('trigger-overlay-fifty'),
    triggerBttnSixtythree = document.getElementById('trigger-overlay-sixty-three'),
    triggerBttnSixtyfive = document.getElementById('trigger-overlay-sixty-five'),
    triggerBttnSeventyone = document.getElementById('trigger-overlay-seventy-one'),
    triggerBttnEightytwo = document.getElementById('trigger-overlay-eighty-two'),
    triggerBttnNinety = document.getElementById('trigger-overlay-ninety'),
    triggerBttnNinetysix = document.getElementById('trigger-overlay-ninety-six'),
    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'),
    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'),
    triggerBttnOnehundredandeighteen = document.getElementById('trigger-overlay-one-hundred-and-eighteen'),
    triggerBttnOnehundredandnineteen = document.getElementById('trigger-overlay-one-hundred-and-nineteen'),
    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'),
    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'),
    triggerBttnOnehundredandthirtyeight = document.getElementById('trigger-overlay-one-hundred-and-thirty-eight'),
    triggerBttnOnehundredandthirtynine = document.getElementById('trigger-overlay-one-hundred-and-thirty-nine'),
    triggerBttnOnehundredandfortythree = document.getElementById('trigger-overlay-one-hundred-and-forty-three'),
    triggerBttnOnehundredandfortyfour = document.getElementById('trigger-overlay-one-hundred-and-forty-four'),
    triggerBttnOnehundredandfortyfive = document.getElementById('trigger-overlay-one-hundred-and-forty-five'),
    triggerBttnOnehundredandfortysix = document.getElementById('trigger-overlay-one-hundred-and-forty-six'),
    triggerBttnOnehundredandfortyseven = document.getElementById('trigger-overlay-one-hundred-and-forty-seven'),
    triggerBttnOnehundredandfortyeight = document.getElementById('trigger-overlay-one-hundred-and-forty-eight'),
    triggerBttnOnehundredandfortynine = document.getElementById('trigger-overlay-one-hundred-and-forty-nine'),
    triggerBttnOnehundredandfifty = document.getElementById('trigger-overlay-one-hundred-and-fifty'),
    triggerBttnOnehundredandfiftyone = document.getElementById('trigger-overlay-one-hundred-and-fifty-one'),
    triggerBttnOnehundredandfiftythree = document.getElementById('trigger-overlay-one-hundred-and-fifty-three'),
    triggerBttnOnehundredandfiftyfour = document.getElementById('trigger-overlay-one-hundred-and-fifty-four'),
    triggerBttnOnehundredandfiftyfive = document.getElementById('trigger-overlay-one-hundred-and-fifty-five'),
    triggerBttnOnehundredandfiftysix = document.getElementById('trigger-overlay-one-hundred-and-fifty-six'),
    triggerBttnOnehundredandfiftyseven = document.getElementById('trigger-overlay-one-hundred-and-fifty-seven'),
    triggerBttnOnehundredandfiftyeight = document.getElementById('trigger-overlay-one-hundred-and-fifty-eight'),
    triggerBttnOnehundredandfiftynine = document.getElementById('trigger-overlay-one-hundred-and-fifty-nine'),
    triggerBttnOnehundredandsixty = document.getElementById('trigger-overlay-one-hundred-and-sixty'),
    triggerBttnOnehundredandsixtyone = document.getElementById('trigger-overlay-one-hundred-and-sixty-one'),
    triggerBttnOnehundredandsixtytwo = document.getElementById('trigger-overlay-one-hundred-and-sixty-two'),
    triggerBttnOnehundredandsixtythree = document.getElementById('trigger-overlay-one-hundred-and-sixty-three'),
    triggerBttnOnehundredandsixtyfour = document.getElementById('trigger-overlay-one-hundred-and-sixty-four'),
    triggerBttnOnehundredandsixtyfive = document.getElementById('trigger-overlay-one-hundred-and-sixty-five'),
    triggerBttnOnehundredandsixtysix = document.getElementById('trigger-overlay-one-hundred-and-sixty-six'),
    triggerBttnOnehundredandsixtyseven = document.getElementById('trigger-overlay-one-hundred-and-sixty-seven'),
    triggerBttnOnehundredandsixtyeight = document.getElementById('trigger-overlay-one-hundred-and-sixty-eight'),
    triggerBttnOnehundredandsixtynine = document.getElementById('trigger-overlay-one-hundred-and-sixty-nine'),
    triggerBttnOnehundredandseventy = document.getElementById('trigger-overlay-one-hundred-and-seventy'),
    triggerBttnOnehundredandseventyone = document.getElementById('trigger-overlay-one-hundred-and-seventy-one'),
    triggerBttnOnehundredandseventytwo = document.getElementById('trigger-overlay-one-hundred-and-seventy-two'),
    triggerBttnOnehundredandseventythree = document.getElementById('trigger-overlay-one-hundred-and-seventy-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);
    triggerBttnFour.addEventListener('click', toggleOverlay);
    triggerBttnFive.addEventListener('click', toggleOverlay);
    triggerBttnSix.addEventListener('click', toggleOverlay);
    triggerBttnSeven.addEventListener('click', toggleOverlay);
    triggerBttnEight.addEventListener('click', toggleOverlay);
    triggerBttnEleven.addEventListener('click', toggleOverlay);
    triggerBttnEighteen.addEventListener('click', toggleOverlay);
    triggerBttnTwentyeight.addEventListener('click', toggleOverlay);
    triggerBttnThirtyfour.addEventListener('click', toggleOverlay);
    triggerBttnThirtyfive.addEventListener('click', toggleOverlay);
    triggerBttnFortynine.addEventListener('click', toggleOverlay);
    triggerBttnFifty.addEventListener('click', toggleOverlay);
    triggerBttnSixtythree.addEventListener('click', toggleOverlay);
    triggerBttnSixtyfive.addEventListener('click', toggleOverlay);
    triggerBttnSeventyone.addEventListener('click', toggleOverlay);
    triggerBttnEightytwo.addEventListener('click', toggleOverlay);
    triggerBttnNinety.addEventListener('click', toggleOverlay);
    triggerBttnNinetysix.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandtwo.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandthree.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfour.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);
    triggerBttnOnehundredandeighteen.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandnineteen.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandtwentyone.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandtwentytwo.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandtwentythree.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandtwentyseven.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandthirty.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandthirtyone.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandthirtytwo.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandthirtyeight.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandthirtynine.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfortythree.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfortyfour.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfortyfive.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfortysix.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfortyseven.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfortyeight.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfortynine.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfifty.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfiftyone.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfiftythree.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfiftyfour.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfiftyfive.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfiftysix.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfiftyseven.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfiftyeight.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandfiftynine.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandsixty.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandsixtyone.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandsixtytwo.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandsixtythree.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandsixtyfour.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandsixtyfive.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandsixtysix.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandsixtyseven.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandsixtyeight.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandsixtynine.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandseventy.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandseventyone.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandseventytwo.addEventListener('click', toggleOverlay);
    triggerBttnOnehundredandseventythree.addEventListener('click', toggleOverlay);
        
    return false;
})();