Note: After saving, you have to bypass your browser's cache to see the changes. Internet Explorer: press Ctrl-F5, Mozilla: hold down Shift while clicking Reload (or press Ctrl-Shift-R), Opera/Konqueror: press F5, Safari: hold down Shift + Alt while clicking Reload, Chrome: hold down Shift while clicking Reload.
mw.loader.load( '//commons.wikimedia.org/w/index.php?title=User:Kaldari/inat2commons.js&action=raw&ctype=text/javascript' );
mw.loader.load('//commons.wikimedia.org/w/load.php?modules=ext.gadget.CropTool');

importScript("User:Ricordisamoa/AlertStyler.js");

var timeout;
function myFunction() {
  timeout = setTimeout(alertFunc, 3000);
}

function alertFunc() {
  alert("Test");
}