.

index.js

@@ -9,7 +9,6 @@ var SortOrderBStateI = true
 var SortOrderEnabled = false
 var SortValue = ""
 var OrderValue = ""
-var ReplaceNeeded = true
 function SetupJS() {
     SetupIndexArray()
     SetupJSTheme()
@@ -69,26 +68,37 @@ function SetupJSTheme() {
     var th = document.getElementById("theme")
     th.href = "#"
     if (document.addEventListener) {
-        th.addEventListener("click", ToggleTheme)
+        th.addEventListener("click", CToggleTheme)
     } else {
-        th.setAttribute("onclick", "ToggleTheme();")
+        th.setAttribute("onclick", "CToggleTheme();")
-        th.onclick = ToggleTheme
+        th.onclick = CToggleTheme
+    }
+}
+function cReplaceHistory() {
+    ReplaceHistory(window.location.href)
+}
+function ReplaceHistory(url) {
+    if (window.history) {
+        if (window.history.replaceState) {
+            window.history.replaceState({
+                light: !!document.getElementById("so-theme"),
+                order: document.getElementById("so-order").value,
+                sort: document.getElementById("so-sort").value
+            }, "", url);
+            console.log("REPLACE")
+        }
     }
 }
 function PushHistory(url) {
     var s = true
     if (window.history) {
         if (window.history.pushState) {
-            var objectData = {
+            window.history.pushState({
                 light: !!document.getElementById("so-theme"),
                 order: document.getElementById("so-order").value,
                 sort: document.getElementById("so-sort").value
-            };
+            }, "", url);
-            if (ReplaceNeeded) {
+            console.log("PUSH")
-                window.history.replaceState(objectData, "", url);
-                ReplaceNeeded = false
-            }
-            window.history.pushState( objectData, "", url);
             s = false
         }
     }
@@ -96,7 +106,11 @@ function PushHistory(url) {
         document.location.href = url
     }
 }
-function ToggleTheme() {
+function CToggleTheme() {
+    ToggleTheme(true)
+}
+function ToggleTheme(p) {
+    if (p) {cReplaceHistory();}
     var th = document.getElementById("theme")
     var thimg = document.getElementById("theme-img")
     var thsty = document.getElementById("style-theme")
@@ -109,7 +123,7 @@ function ToggleTheme() {
         th.title = "Switch to Light Mode"
         document.getElementById("so-form").removeChild(document.getElementById("so-theme"))
         logo.href = "?"
-        PushHistory(url+"?"+TheParameters+"#")
+        if (p) {PushHistory(url+"?"+TheParameters+"#");}
         thsty.href = CssDarkURL
     } else {
         thimg.src = MoonImageURL
@@ -121,29 +135,34 @@ function ToggleTheme() {
         thi.id = "so-theme"
         document.getElementById("so-form").appendChild(thi)
         logo.href = "?light"
+        if (p) {
             if (TheParameters === "") {
-            PushHistory(url+"?light#")
+                PushHistory(url + "?light#")
             } else {
-            PushHistory(url+"?light&"+TheParameters+"#")
+                PushHistory(url + "?light&" + TheParameters + "#")
+            }
         }
         thsty.href = CssLightURL
     }
 }
 function SetupJSHPL(){
     if (window.history) {
-        if (window.history.pushState) {
+        if (window.history.pushState && window.history.replaceState) {
+            //document.addEventListener("DOMContentLoaded", cReplaceHistory)
             window.addEventListener("popstate", HandleHistoryPop)
         }
     }
 }
 function HandleHistoryPop(event) {
+    console.log("POP")
+    console.log(event.state)
     if (event.state) {
         SortOrderEnabled = false
         var isnl = !document.getElementById("so-theme")
-        if ((event.state.light && isnl) || (!event.state.light && !isnl)) {ToggleTheme();}
+        if ((event.state.light && isnl) || (!event.state.light && !isnl)) {ToggleTheme(false);}
         document.getElementById("so-order").value = event.state.order
         document.getElementById("so-sort").value = event.state.sort
-        EntrySort(event.state.order, event.state.sort)
+        EntrySort(event.state.order, event.state.sort, false)
         SortOrderEnabled = true
     }
 }
@@ -203,9 +222,9 @@ function SetupJSSOI() {
     SortOrderEnabled = true
 }
 function HandleSortOrderChange() {
-    if (SortOrderEnabled) {EntrySort(document.getElementById("so-order").value, document.getElementById("so-sort").value);}
+    if (SortOrderEnabled) {EntrySort(document.getElementById("so-order").value, document.getElementById("so-sort").value, true);}
 }
-function EntrySort(o, s) {
+function EntrySort(o, s, p) {
     var ts = s.toString().toLowerCase()
     var chg = false
     if (SortValue !== s) {
@@ -251,10 +270,12 @@ function EntrySort(o, s) {
         TheParameters = "order="+OrderValue+"&sort="+SortValue
         var url = document.location.href
         url = url.split("#", 1)[0].split('?', 1)[0]
+        if (p) {
             if (document.getElementById("so-theme")) {
-            PushHistory(url+"?light&"+TheParameters)
+                PushHistory(url + "?light&" + TheParameters)
             } else {
-            PushHistory(url+"?"+TheParameters)
+                PushHistory(url + "?" + TheParameters)
+            }
         }
         for (var i = 0; i < EntryIndices.length; i++) {
             var tNode = document.getElementById("entry-"+EntryIndices[i])