diff --git a/src/webui/www/public/css/style.css b/src/webui/www/public/css/style.css
index e15bd5c56..94e7ebe10 100644
--- a/src/webui/www/public/css/style.css
+++ b/src/webui/www/public/css/style.css
@@ -275,7 +275,7 @@ a.propButton img {
 }
 
 /* Tri-state checkbox */
-a.tristate {
+label.tristate {
 	background: url(../images/3-state-checkbox.gif) 0 0 no-repeat;
 	display: block;
 	float: left;
@@ -285,8 +285,8 @@ a.tristate {
 	text-indent: -999em;
 	width: 13px;
 }
-a.checked { background-position: 0 -13px; }
-a.partial { background-position: 0 -26px; }
+label.checked { background-position: 0 -13px; }
+label.partial { background-position: 0 -26px; }
 
 fieldset.settings {
 	border: solid 1px black;
diff --git a/src/webui/www/public/prop-files.html b/src/webui/www/public/prop-files.html
index 3d6f2b84e..fe1a3034d 100644
--- a/src/webui/www/public/prop-files.html
+++ b/src/webui/www/public/prop-files.html
@@ -2,7 +2,7 @@
             <table class="torrentTable" cellpadding="0" cellspacing="0" style="width: 100%">
                     <thead>
                             <tr>
-                                    <th style="width: 30px"><a id="all_files_cb" style="margin-right: 2px;" class="tristate" onclick="javascript:switchCBState()"></a></th>
+                                    <th style="width: 30px"><input type="checkbox" id="tristate_cb" style="display: none;" onclick="javascript:switchCBState()" /><label id="all_files_cb" class="tristate" for="tristate_cb"></label></th>
                                     <th>_(Name)</th>
                                     <th>_(Size)</th>
                                     <th style="width: 90px;">_(Progress)</th>
@@ -18,23 +18,42 @@
     var is_seed = true;
     var current_hash = "";
 
-var setCBState = function(state) {
-  if(state == "partial") {
-    if(!$("all_files_cb").hasClass("partial")) {
-      $("all_files_cb").removeClass("checked");
-      $("all_files_cb").addClass("partial");
-    }
-    return;
-  }
-  if(state == "checked") {
-    if(!$("all_files_cb").hasClass("checked")) {
+    if (!(Browser.name == "ie" && Browser.version < 9)) {
+      $("all_files_cb").removeClass("tristate");
       $("all_files_cb").removeClass("partial");
-      $("all_files_cb").addClass("checked");
+      $("all_files_cb").removeClass("checked");
+      $("tristate_cb").style.display = "inline";
+    }
+
+var setCBState = function(state) {
+  if (Browser.name == "ie" && Browser.version < 9) {
+    if (state == "partial") {
+      if (!$("all_files_cb").hasClass("partial")) {
+        $("all_files_cb").removeClass("checked");
+        $("all_files_cb").addClass("partial");
+      }
+      return;
+    }
+    if (state == "checked") {
+      if(!$("all_files_cb").hasClass("checked")) {
+        $("all_files_cb").removeClass("partial");
+        $("all_files_cb").addClass("checked");
+      }
+      return;
+    }
+    $("all_files_cb").removeClass("partial");
+    $("all_files_cb").removeClass("checked");
+  } else {
+    if (state == "partial") {
+      $("tristate_cb").indeterminate = true;
+    } else if (state == "checked") {
+      $("tristate_cb").indeterminate = false;
+      $("tristate_cb").checked = true;
+    } else {
+      $("tristate_cb").indeterminate = false;
+      $("tristate_cb").checked = false;
     }
-    return;
   }
-  $("all_files_cb").removeClass("partial");
-  $("all_files_cb").removeClass("checked");
 }
 
 var switchCBState = function() {