Unnecessary setting of Focus causes JavaScript Errors
The cursor focus during the login page is always set into the input-field for the username. This is good and helpful, but this operation will be executed on every page of the webinterface. This causes an error on every page, where the username-form is not present. That's why the function setFocus() in the file /usr/local/ispconfig/interface/web/js/scrigo.js.php should be changed like this:
function setFocus() { if(!document.pageForm.username) document.pageForm.username.focus(); }