Bookmarklet that replaces uses of IL0...IL9 with random colours of the rainbow.

bookmarklet.js

// Paste the below into your address bar where the "Impact Level" acronym is used.
javascript:function replaceILUse(){function randomRainbowColour(){return ["Red","Orange","Yellow","Green","Blue","Indigo","Violet"].sort(function(){return 0.5-Math.random()})[0]}function rainbowMatcher(match,p1,offset,string){return randomRainbowColour()}var original=document.body.innerHTML;document.body.innerHTML=original.replace(/IL[0-9]/ig,rainbowMatcher)}replaceILUse();

replaceILUse.js

function replaceILUse() {
  function randomRainbowColour() {
    return ["Red", "Orange", "Yellow", "Green", "Blue", "Indigo", "Violet"].
      sort(function() { return 0.5 - Math.random(); })[0];
  }

  function rainbowMatcher(match, p1, offset, string) {
    return randomRainbowColour();
  }

  var original = document.body.innerHTML;
  document.body.innerHTML = original.replace(/IL[0-9]/ig, rainbowMatcher);
}