2013 GREAT PLAINS YP1625A

function myFunction() { document.getElementById('myDropdown').classList.toggle('show'); } window.onclick = function(event) { if (!event.target.matches('.dropbtn')) { var dropdowns = document.getElementsByClassName('dropdown-content'); var i; for (i = 0; i < dropdowns.length; i++) { var openDropdown=dropdowns[i]; if (openDropdown.classList.contains('show')) { openDropdown.classList.remove('show'); } } } }