User:Mr.Z-man/rangecheck.js

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This user script seems to have a documentation page at User:Mr.Z-man/rangecheck.

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// For description, see [[User:Mr.Z-man/rangecheck]]

function rangecheck() {
  if ((wgPageName=="Special:Contributions" || wgNamespaceNumber == 2 || wgNamespaceNumber == 3) && location.href.search(/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/) != -1 && location.href.search(/\d{1,3}(@|%40)\d{1,2}/) == -1) {
    if (document.URL.indexOf('Contributions/') != -1) {
      var target = document.URL.substring(document.URL.indexOf('Contributions/')+14);
    }
    else if (wgPageName=="Special:Contributions") {
      var target = document.URL.substring(document.URL.indexOf('&target=')+8,document.URL.indexOf('&namespace='));
    }
    else {
      if (wgTitle.indexOf("/") == -1) {
      target = wgTitle; }
      else {
        target = wgTitle.substring(0,wgTitle.indexOf("/")); }
    }
    target24 = target.substring(0,target.lastIndexOf('.'))
    target16 = target24.substring(0,target24.lastIndexOf('.'))
    addPortletLink('p-cactions', 'javascript:rangecheckclick(target16)', "/16 range", "ca-rangecheck", "See contribs from a range of IP's");
    addPortletLink('p-cactions', 'javascript:rangecheckclick(target24)', "/24 range", "ca-rangecheck", "See contribs from a range of IP's");
  }
}

function rangecheckclick(target) {
  window.open("http://tools.wikimedia.de/~vvv/rangecontribs.php?user=" + target + "&wiki=enwiki_p", "Range COntributions");
}
addOnloadHook(rangecheck);