add Sitemap to links

hi all,

im adding a sitemap from my website to set intern links in link-dialog

i have create a bottun named "Sitemap" and it opens a popup with my server-side(coldfusion) sitemap.

when im clicking a link in sitemap it returns da link-address to url-field in link-dialog from ckeditor

now my question: how i take de link-value to the url-field form the extern window(Sitemap) ?


example that not working: opener.getElementById("url").value = "www.example.com";