Add files via upload

js/frame-link.js

@@ -0,0 +1,104 @@
+var mainFrame;
+var firstLoad = true;
+var updateTitle = true;
+var pageParam = "z";
+var titlePrefix = "";
+var hitCounterFunction = undefined;
+
+// Event to handle first page load - Also sets up the mainFrame
+if (window.addEventListener) {
+    window.addEventListener("DOMContentLoaded", function (e) {
+        mainFrame = document.getElementById("mainframe");
+        if (mainFrame.addEventListener) {
+            mainFrame.addEventListener("load", updateHistory, false);
+        } else {
+            mainFrame.attachEvent("onload", updateHistory);
+        }
+        setMainFrame();
+    });
+} else {
+    document.attachEvent("onreadystatechange", function () {
+        if (document.readyState === "complete") {
+            mainFrame = document.getElementById("mainframe");
+            if (mainFrame.attachEvent) {
+                mainFrame.attachEvent("onload", updateHistory);
+            }
+            setMainFrame();
+        }
+    });
+}
+
+// Event to handle back button presses
+if (window.addEventListener) {
+    window.addEventListener("popstate", function (e) {
+        if (e.state !== null) {
+            setMainFrame();
+        }
+    });
+} else {
+    window.attachEvent("onpopstate", function (e) {
+        if (e.state !== null) {
+            setMainFrame();
+        }
+    });
+}
+
+// Checks to see if a page parameter exists and sets the mainframe src to that page.
+function setMainFrame() {
+    var params = getURLParams();
+    var page = params[pageParam];
+    if (page != null) {
+        page = page.replace("javascript:", ""); // Security to stop url scripts
+        mainFrame.src = page;
+    }
+}
+
+// Updates the browser history with the current page, causing the URL bar to update.
+function updateHistory() {
+    var title = titlePrefix + mainFrame.contentDocument.title;
+
+    // Stops the page getting into an infinate loop reloading itself.
+    if (firstLoad) {
+        firstLoad = false;
+        if (updateTitle) {
+            document.title = title;
+        }
+        if (hitCounterFunction != undefined) {
+            hitCounterFunction();
+        }
+        return;
+    }
+
+    if (window.history && window.history.replaceState) {
+        window.history.replaceState({}, title, "?" + pageParam + "=" + mainFrame.contentWindow.location.pathname);
+    } else {
+        // IE 5 не поддерживает history.replaceState, поэтому мы должны использовать другую реализацию
+        // Например, мы можем использовать location.hash для хранения истории
+        location.hash = "?" + pageParam + "=" + mainFrame.contentWindow.location.pathname;
+    }
+
+    if (updateTitle) {
+        document.title = title;
+    }
+
+    // Save a hit - Optionally run this if a hit counter has been defined.
+    if (hitCounterFunction != undefined) {
+        hitCounterFunction();
+    }
+}
+
+// Функция для получения параметров URL
+function getURLParams() {
+    var params = {};
+    var url = window.location.href;
+    var paramStart = url.indexOf("?");
+    if (paramStart != -1) {
+        var paramStr = url.substring(paramStart + 1);
+        var paramArr = paramStr.split("&");
+        for (var i = 0; i < paramArr.length; i++) {
+            var param = paramArr[i].split("=");
+            params[param[0]] = param[1];
+        }
+    }
+    return params;
+}