From 704739a092fa952436783160cb23584cface5552 Mon Sep 17 00:00:00 2001
From: Daniel Stefan Haischt <dsh@pfsense.org>
Date: Sat, 6 Jan 2007 15:45:31 +0000
Subject: * ajaxified disks_manage_init.php. Should work in Opera and Firefox.

---
 packages/freenas/www/disks_manage_init.php | 500 +++++++++++++++++++++++------
 1 file changed, 400 insertions(+), 100 deletions(-)

diff --git a/packages/freenas/www/disks_manage_init.php b/packages/freenas/www/disks_manage_init.php
index 278efdd5..a3032d83 100644
--- a/packages/freenas/www/disks_manage_init.php
+++ b/packages/freenas/www/disks_manage_init.php
@@ -49,6 +49,365 @@ require_once("guiconfig.inc");
 require_once("freenas_guiconfig.inc");
 require_once("freenas_functions.inc");
 
+define("DONE_PARAGRAPH", "
+              <p>
+                <span class='red' style='font-family: Courier, monospace; font-size: small;'><strong>Done!</strong></span>
+              </p>
+       ");
+define("DISK_DETAILS_PARA", "
+              <p style='font-size: small;'>
+                <strong>Disk initialization details</strong> (use the toggle icon to unveil detailed infos):
+              </p>
+       ");
+
+function create_format_output($disk, $type, $notinitmbr) {
+  $ddetails = DISK_DETAILS_PARA;
+  $dopara = DONE_PARAGRAPH;
+  
+  ob_end_flush();
+  
+  $retvalue =<<<EOD
+{$ddetails}
+
+EOD;
+
+  // Erase MBR if not checked
+  if (!$notinitmbr) {
+    $button = create_toggle_button("Erasing MBR and all paritions", "mbr_out");
+    $a_out = exec_command_and_return_text_array("dd if=/dev/zero of=" . escapeshellarg($disk) . " bs=32k count=640");
+    $diskinit_str = implode("\n", $a_out);
+    $retvalue .=<<<EOD
+                {$button}
+                <div id="mbr_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+                <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+                </div>
+
+EOD;
+
+  } else {
+    $diskinit_str = "Keeping the MBR and all partitions";
+    $retvalue .=<<<EOD
+                <div id="mbr_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+                <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+                </div>
+                
+EOD;
+  } // end if
+
+  switch ($type) {
+    case "ufs":
+      $button = create_toggle_button("Creating one parition", "ufs_fdisk_out");
+      /* Initialize disk */
+      $a_out = exec_command_and_return_text_array("/sbin/fdisk -I -b /boot/mbr " . escapeshellarg($disk));
+      $diskinit_str = implode("\n", $a_out);
+
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="ufs_fdisk_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+
+EOD;
+
+      $button = create_toggle_button("Initializing parition", "ufs_dd_out");
+      /* Initialise the partition (optional) */
+      $a_out = exec_command_and_return_text_array("/bin/dd if=/dev/zero of=" . escapeshellarg($disk) . "s1 bs=32k count=16");
+      $diskinit_str = implode("\n", $a_out);
+      
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="ufs_dd_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+
+EOD;
+
+      $button = create_toggle_button("Creating BSD label", "ufs_label_out");
+      /* Create s1 label */
+      $a_out = exec_command_and_return_text_array("/sbin/bsdlabel -w " . escapeshellarg($disk) . "s1 auto");
+      $diskinit_str = implode("\n", $a_out);
+      
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="ufs_label_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+
+EOD;
+
+      $button = create_toggle_button("Creating Filesystem", "ufs_newfs_out");
+      /* Create filesystem */
+      $a_out = exec_command_and_return_text_array("/sbin/newfs -U " . escapeshellarg($disk) . "s1");
+      $diskinit_str = implode("\n", $a_out);
+
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="ufs_newfs_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+{$dopara}
+
+EOD;
+
+      break; // end case "ufs":
+    case "ufs_no_su":
+      $button = create_toggle_button("Creating one parition", "ufsn_fdisk_out");
+      /* Initialize disk */
+      $a_out = exec_command_and_return_text_array("/sbin/fdisk -I -b /boot/mbr " . escapeshellarg($disk));
+      $diskinit_str = implode("\n", $a_out);
+      
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="ufsn_fdisk_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+
+EOD;
+      $button = create_toggle_button("Initializing parition", "ufsn_dd_out");
+      /* Initialise the partition (optional) */
+      $a_out = exec_command_and_return_text_array("/bin/dd if=/dev/zero of=" . escapeshellarg($disk) . "s1 bs=32k count=16");
+      $diskinit_str = implode("\n", $a_out);
+
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="ufsn_dd_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+
+EOD;
+      $button = create_toggle_button("Creating BSD label", "ufsn_label_out");
+      /* Create s1 label */
+      $a_out = exec_command_and_return_text_array("/sbin/bsdlabel -w " . escapeshellarg($disk) . "s1 auto");
+      $diskinit_str = implode("\n", $a_out);
+
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="ufsn_label_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+
+EOD;
+      $button = create_toggle_button("Creating Filesystem", "ufsn_newfs_out");
+      /* Create filesystem */
+      $a_out = exec_command_and_return_text_array("/sbin/newfs -m 0 " . escapeshellarg($disk) . "s1");
+      $diskinit_str = implode("\n", $a_out);
+
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="ufsn_newfs_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+{$dopara}
+
+EOD;
+
+      break; // end ufs_no_su
+    case "ufsgpt":
+      $button = create_toggle_button("Destroying old GTP information", "ufsg_gptd_out");
+      /* Destroy GPT partition table */
+      $a_out = exec_command_and_return_text_array("/sbin/gpt destroy " . escapeshellarg($disk));
+      $diskinit_str = implode("\n", $a_out);
+
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="ufsg_gptd_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+
+EOD;
+
+      $button = create_toggle_button("Creating GPT partition", "ufsg_gptc_out");
+      /* Create GPT partition table */
+      $a_out = exec_command_and_return_text_array("/sbin/gpt create -f " . escapeshellarg($disk));
+      $diskinit_str = implode("\n", $a_out);
+      $a_out = exec_command_and_return_text_array("/sbin/gpt add -t ufs " . escapeshellarg($disk));
+      $diskinit_str .= implode("\n", $a_out);
+      
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="ufsg_gptc_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+
+EOD;
+
+      $button = create_toggle_button("Creating Filesystem with Soft Updates", "ufsg_newfs_out");
+      /* Create filesystem */
+      $a_out = exec_command_and_return_text_array("/sbin/newfs -U " . escapeshellarg($disk) . "p1");
+      $diskinit_str = implode("\n", $a_out);
+
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="ufsg_newfs_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+{$dopara}
+
+EOD;
+
+      break; // end case "ufsgpt":
+    case "ufsgpt_no_su":
+      $button = create_toggle_button("Destroying old GTP information", "ufsgn_gpt_out");
+      /* Destroy GPT partition table */
+      $a_out = exec_command_and_return_text_array("/sbin/gpt destroy " . escapeshellarg($disk));
+      $diskinit_str = implode("\n", $a_out);
+
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="ufsgn_gpt_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+
+EOD;
+
+      $button = create_toggle_button("Creating GPT partition", "ufsgn_gptc_out");
+      /* Create GPT partition table */
+      $a_out = exec_command_and_return_text_array("/sbin/gpt create -f " . escapeshellarg($disk));
+      $diskinit_str = implode("\n", $a_out);
+      $a_out = exec_command_and_return_text_array("/sbin/gpt add -t ufs " . escapeshellarg($disk));
+      $diskinit_str .= implode("\n", $a_out);
+
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="ufsgn_gptc_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+
+EOD;
+      $button = create_toggle_button("Creating Filesystem without Soft Updates", "ufsgn_newfs_out");
+      /* Create filesystem */
+      $a_out = exec_command_and_return_text_array("/sbin/newfs -m 0 " . escapeshellarg($disk) . "p1");
+      $diskinit_str = implode("\n", $a_out);
+
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="ufsgn_newfs_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+{$dopara}
+
+EOD;
+
+      break; // end case "ufsgpt_no_su":
+    case "softraid":
+      $button = create_toggle_button("Initializing disk", "softr_fdisk_out");
+      /* Initialize disk */
+      $a_out = exec_command_and_return_text_array("/sbin/fdisk -I -b /boot/mbr " . escapeshellarg($disk));
+      $diskinit_str = implode("\n", $a_out);
+
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="softr_fdisk_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+
+EOD;
+
+      $button = create_toggle_button("Initializing partition", "softr_dd_out");
+      /* Initialise the partition (optional) */
+      $a_out = exec_command_and_return_text_array("/bin/dd if=/dev/zero of=" . escapeshellarg($disk) . "s1 bs=32k count=16");
+      $diskinit_str = implode("\n", $a_out);
+
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="softr_dd_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+
+EOD;
+      $button = create_toggle_button("Delete old gmirror information", "softr_dd_out");
+      /* Delete old gmirror information */
+      $a_out = exec_command_and_return_text_array("/sbin/gmirror clear " . escapeshellarg($disk));
+      $diskinit_str = implode("\n", $a_out);
+
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="softr_dd_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+{$dopara}
+
+EOD;
+
+      break; // end case "softraid":
+    case "msdos":
+      $button = create_toggle_button("Initialize disk", "dos_fdisk_out");
+      /* Initialize disk */
+      $a_out = exec_command_and_return_text_array("/sbin/fdisk -I -b /boot/mbr " . escapeshellarg($disk));
+      $diskinit_str = implode("\n", $a_out);
+
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="dos_fdisk_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+
+EOD;
+
+      $button = create_toggle_button("Initialize partion", "dos_dd_out");
+      /* Initialise the partition (optional) */
+      $a_out = exec_command_and_return_text_array("/bin/dd if=/dev/zero of=" . escapeshellarg($disk) . "s1 bs=32k count=16");
+      $diskinit_str = implode("\n", $a_out);
+
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="dos_dd_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+
+EOD;
+
+      $button = create_toggle_button("Creating BSD label", "dos_label_out");
+      /* Initialise the partition (optional) */
+      $a_out = exec_command_and_return_text_array("/sbin/bsdlabel -w " . escapeshellarg($disk) . "s1 auto");
+      $diskinit_str = implode("\n", $a_out);
+
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="dos_label_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+
+EOD;
+
+      $button = create_toggle_button("Creating Filesystem", "dos_newfs_out");
+      /* Initialise the partition (optional) */
+      $a_out = exec_command_and_return_text_array("/sbin/newfs_msdos -F 32 " . escapeshellarg($disk) . "s1");
+      $diskinit_str = implode("\n", $a_out);
+
+      $retvalue .=<<<EOD
+              {$button}
+              <div id="dos_newfs_out" style="display: none; font-family: Courier, monospace; font-size: small;">
+              <pre style="font-family: Courier, monospace; font-size: small; font-style: italic;">{$diskinit_str}</pre>
+              </div>
+{$dopara}
+
+EOD;
+    break; // end case "msdos":
+  } // end switch
+  
+  return $retvalue;
+}
+
+function create_toggle_button($title, $totoggle) {
+  global $g;
+  
+  $returnval =<<<EOD
+                <table cellpadding="0" cellspacing="0" border="0" style="padding-bottom: 8px;">
+                  <tr>
+                    <td align="left" valign="middle" style="padding-right: 5px;">
+                      <img src='/themes/{$g['theme']}/images/misc/bullet_toggle_plus.png' alt='' border='0' style='border: solid 1px silver; cursor: pointer;' onclick='toggle_cmdout(this, "{$totoggle}");' />
+                    </td>
+                    <td align="left" valign="middle" style='font-family: Courier, monospace; font-size: small;'>
+                      {$title}:
+                    </td>
+                  </tr>
+                </table>
+EOD;
+
+  return $returnval;
+}
+
 if (!is_array($freenas_config['disks']['disk']))
   $freenas_config['disks']['disk'] = array();
 
@@ -184,6 +543,9 @@ if (! empty($_POST))
       }
       
       write_config();
+      
+      echo create_format_output($disk, $type, $notinitmbr);
+      exit; // cause of Ajax
     }
   }
 }
@@ -217,6 +579,16 @@ function disk_change() {
     <?php endforeach; ?>
   }
 }
+
+function toggle_cmdout(image, totoggle) {
+  var plusSrc = "/themes/<?= $g['theme'] ?>/images/misc/bullet_toggle_plus.png";
+  var minusSrc = "/themes/<?= $g['theme'] ?>/images/misc/bullet_toggle_minus.png";
+  var currentSrc = image.src;
+  var newSrc = (currentSrc.indexOf("plus") >= 0) ? minusSrc : plusSrc;
+
+  image.src = newSrc;
+  Effect.toggle(totoggle, 'appear', { duration: 0.75 });
+}
 // -->
 </script>
 </head>
@@ -246,6 +618,30 @@ function disk_change() {
       <div id="mainarea">
       <form id="iform" name="iform" action="disks_manage_init.php" method="post">
       <table class="tabcont" align="center" width="100%" border="0" cellpadding="6" cellspacing="0">
+          <script type="text/javascript">
+            function execFormat() {
+              var to_insert = "<div style='visibility:hidden' id='loading' name='loading'><img src='/themes/nervecenter/images/misc/loader_tab.gif' /></div>";
+              new Insertion.Before('doFormatSubmit', to_insert);
+              
+              $("doFormatSubmit").style.visibility = "hidden";
+              $('loading').style.visibility = 'visible';
+          
+              new Ajax.Request(
+                "<?=$_SERVER['SCRIPT_NAME'];?>", {
+                  method     : "post",
+                  parameters : Form.serialize($("iform")),
+                  onSuccess  : execFormatComplete
+                }
+              );
+            }
+          
+            function execFormatComplete(req) {
+              $("formatOutputTD").innerHTML = req.responseText;
+              $('loading').style.visibility = 'hidden';
+              $("doFormatSubmit").style.visibility = 'visible';
+              $("formatOutputTD").style.visibility = 'visible';
+            }
+          </script>
           <tr>
             <td width="22%" valign="top" class="vncellreq"><?=gettext("Disk");?></td>
             <td width="78%" class="vtable">
@@ -278,108 +674,12 @@ function disk_change() {
           <tr>
             <td width="22%" valign="top">&nbsp;</td>
             <td width="78%">
-              <input id="submitt" name="Submitt" type="submit" class="formbtn" value="<?=gettext("Format disk!");?>" />
+              <input id="doFormatSubmit" name="doFormatSubmit" type="button" class="formbtn" value="<?=gettext("Format disk!");?>" onclick="execFormat();" />
             </td>
           </tr>
           <tr>
-            <td valign="top" colspan="2">
-            <?
-              if ($do_format) {
-                echo "<strong>Disk initialization details:</strong>";
-                echo('<pre style="font-size: small; border: solid 1px silver; padding: 4px;">');
-                ob_end_flush();
-  
-                /* Erase MBR if not checked*/
-                if (!$notinitmbr) {
-                  echo "Erasing MBR\n";
-                  system("dd if=/dev/zero of=" . escapeshellarg($disk) . " bs=32k count=640");
-                }
-                else {
-                  echo "Keeping the MBR and all partitions\n";
-                }
-  
-                switch ($type)
-                {
-                case "ufs":
-                  /* Initialize disk */
-                  echo "Creating one parition:\n";
-                  system("/sbin/fdisk -I -b /boot/mbr " . escapeshellarg($disk));
-                  /* Initialise the partition (optional) */
-                  echo "Initializing parition:\n";
-                  system("/bin/dd if=/dev/zero of=" . escapeshellarg($disk) . "s1 bs=32k count=16");
-                  /* Create s1 label */
-                  echo "Creating BSD label:\n";
-                  system("/sbin/bsdlabel -w " . escapeshellarg($disk) . "s1 auto");
-                  // Create filesystem
-                  echo "Creating Filesystem:\n";
-                  system("/sbin/newfs -U " . escapeshellarg($disk) . "s1");
-                  echo "Done!\n";
-                  break;
-                case "ufs_no_su":
-                  /* Initialize disk */
-                  echo "Creating one parition:\n";
-                  system("/sbin/fdisk -I -b /boot/mbr " . escapeshellarg($disk));
-                  /* Initialise the partition (optional) */
-                  echo "Initializing parition:\n";
-                  system("/bin/dd if=/dev/zero of=" . escapeshellarg($disk) . "s1 bs=32k count=16");
-                  /* Create s1 label */
-                  echo "Creating BSD label:\n";
-                  system("/sbin/bsdlabel -w " . escapeshellarg($disk) . "s1 auto");
-                  // Create filesystem
-                  echo "Creating Filesystem:\n";
-                  system("/sbin/newfs -m 0 " . escapeshellarg($disk) . "s1");
-                  echo "Done!\n";
-                  break;
-                case "ufsgpt":
-                  /* Create GPT partition table */
-                  echo "Destroying old GTP information:\n";
-                  system("/sbin/gpt destroy " . escapeshellarg($disk));
-                  echo "Creating GPT partition:\n";
-                  system("/sbin/gpt create -f " . escapeshellarg($disk));
-                  system("/sbin/gpt add -t ufs " . escapeshellarg($disk));
-                  // Create filesystem
-                  echo "Creating Filesystem with Soft Updates:\n";
-                  system("/sbin/newfs -U " . escapeshellarg($disk) . "p1");
-                  echo "Done!\n";
-                  break;
-                case "ufsgpt_no_su":
-                  /* Create GPT partition table */
-                  echo "Destroying old GTP information:\n";
-                  system("/sbin/gpt destroy " . escapeshellarg($disk));
-                  echo "Creating GPT partition:\n";
-                  system("/sbin/gpt create -f " . escapeshellarg($disk));
-                  system("/sbin/gpt add -t ufs " . escapeshellarg($disk));
-                  // Create filesystem
-                  echo "Creating Filesystem without Soft Updates:\n";
-                  system("/sbin/newfs -m 0 " . escapeshellarg($disk) . "p1");
-                  echo "Done!\n";
-                  break;
-                case "softraid":
-                  /* Initialize disk */
-                  system("/sbin/fdisk -I -b /boot/mbr " . escapeshellarg($disk));
-                  /* Initialise the partition (optional) */
-                  system("/bin/dd if=/dev/zero of=" . escapeshellarg($disk) . "s1 bs=32k count=16");
-                  /* Delete old gmirror information */
-                  system("/sbin/gmirror clear " . escapeshellarg($disk));
-                  echo "Done!\n";
-                  break;
-                case "msdos":
-                  /* Initialize disk */
-                  system("/sbin/fdisk -I -b /boot/mbr " . escapeshellarg($disk));
-                  /* Initialise the partition (optional) */
-                  system("/bin/dd if=/dev/zero of=" . escapeshellarg($disk) . "s1 bs=32k count=16");
-                  /* Create s1 label */
-                  system("/sbin/bsdlabel -w " . escapeshellarg($disk) . "s1 auto");
-                  // Create filesystem
-                  system("/sbin/newfs_msdos -F 32 " . escapeshellarg($disk) . "s1");
-                  echo "Done!\n";
-                  break;
-                }
-  
-                echo('</pre>');
-              }
-            ?>
-            </td>
+            <!-- Format Output Container - Do Not Delete -->
+            <td id="formatOutputTD" valign="top" colspan="2" style="visibility: hidden; border: solid 1px silver; vertical-align: middle; width: 100%"></td>
           </tr>
           <tr>
             <td align="left" valign="top" colspan="2">
@@ -397,7 +697,7 @@ function disk_change() {
         </form>
       </div>
     </td>
-	</tr>
+  </tr>
 </table>
 <?php include("fend.inc"); ?>
 <?= checkForInputErrors(); ?>
-- 
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