diff --git a/iltapulu.fi/ip-highlight.js b/iltapulu.fi/ip-highlight.js
new file mode 100644
index 0000000..5cecb21
--- /dev/null
+++ b/iltapulu.fi/ip-highlight.js
@@ -0,0 +1,54 @@
+// ==UserScript==
+// @name        ip-highlight
+// @description TV catalog item highlighter
+// @author      ae
+// @namespace   Violentmonkey Scripts
+// @match       *://www.iltapulu.fi/
+// @version     1.0
+// ==/UserScript==
+
+const channelTags = [
+  "#channel-1", // YLE 1
+  "#channel-2", // YLE 2
+  "#channel-3", // MTV3
+  "#channel-4", // 4
+  "#channel-6", // MTV Sub
+  "#channel-5", // TV5
+  "#channel-62" // 6
+]
+
+const highlightCodes = {
+  sport: "#1c9346"
+}
+
+const findSportsItems = () => {
+  let rawItems = []
+
+  channelTags.forEach((tag) => {
+    const query = `${tag} .op`
+    const channelItems = document.querySelectorAll(query)
+    rawItems.push(...channelItems)
+  })
+
+  let sportsItems = []
+
+  rawItems.forEach((item) => {
+    const afterStyle = window.getComputedStyle(item, "::after")
+
+    if (afterStyle.content !== "none" && afterStyle.content !== '""') {
+      sportsItems.push(item)
+    }
+  })
+
+  return sportsItems
+}
+
+window.addEventListener("load", () => {
+  const sportsItems = findSportsItems()
+
+  sportsItems.forEach((item) => {
+    item.parentElement.style.backgroundColor = highlightCodes["sport"]
+  })
+
+  console.log("ip-highlight.js: All sports events highlighted successfully!")
+})