Fixes #12187, by using e.pageX instead of e.clientX
Fixes #12187, by using e.pageX instead of e.clientX

git-svn-id: ee6e786acc44c9cca5ee17c71a5576c45c210361@23694 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful