User:Woodstop45/common.js

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.

The accompanying .css page for this skin can be added at User:Woodstop45/common.css.

function ct(){
          mw.util.addPortletLink("p-tb", "https://tools.wmflabs.org/croptool/?", "Crop Tool", "tb-ct","Use Crop Tool");
}
addOnloadHook(ct);