keep settings checkbox

src/update/update_nand.php

@@ -251,12 +251,15 @@ switch($cmd){
     $flash_list = verify(false);
     backup();
     nandflash($flash_list);
-    copy_backup();
+    if (isset($_GET['restore'])) copy_backup();
     break;
   case "backup":
     backup();
     send_backup();
     break;
+  case "restore":
+  	copy_backup();
+  	break;
   case "remove":
     remove();
     break;

src/update/update_software.html

@@ -38,6 +38,9 @@
     <span id='btn_flash' class="btn btn-danger"><b>Flash</b></span>
     <span style='padding-left:10px;'><a href='var/flash.log'>flash.log</a></span>
   </div>
+  <div style='padding-left:10px;'>
+    <span>Keep old settings:</span> <input type='checkbox' id='chk_restore' style='width:20px;height:20px;position:relative;top:3px;' checked >
+  </div>  
   <div style='padding:10px;'>
     <div id='status' class='blink'></div>
   </div>

src/update/update_software.js

@@ -67,10 +67,14 @@ function init(){
   });
   
   $('#btn_flash').click(function(){
+	  
+	var restore = "";
+	if ($("#chk_restore").prop("checked")) restore="&restore";
+	  
     $("#status").html("Flashing...");
     blink_intvl = setInterval(blink,1000);
     $.ajax({
-      url: "update_nand.php?cmd=flash",
+      url: "update_nand.php?cmd=flash"+restore,
       success: function(result){
         clearInterval(blink_intvl);
         $("#status").html(result);