"

From 2012.igem.org

$(document).ready(function(){

// set up arrows. var left=4; while(left < 980){

$('.experiment').append('');

     left = left+38;

}

$('.experiment').click(function() {

$('.experiment').removeClass('on');

               $('.arrow-up').addClass('.arrow').removeClass('.arrow-up');
    

$('.experimentContent').slideUp('normal');

if($(this).prev().is(':hidden') == true) { $(this).addClass('on');

                       $(this).children().addClass('arrow-up').removeClass('arrow');
                   
 

$(this).prev().slideDown('normal'); }

});

});