From 14778165a8ef211c033dde573250362d8e9d47f1 Mon Sep 17 00:00:00 2001
From: Jakub Vrana <jakub@vrana.cz>
Date: Thu, 11 Jan 2018 17:00:39 +0100
Subject: [PATCH] Use @this in JavaScript (prepares for removing inline event
 handlers)

---
 adminer/create.inc.php            |   4 +-
 adminer/db.inc.php                |   4 +-
 adminer/dump.inc.php              |  10 +-
 adminer/foreign.inc.php           |   2 +-
 adminer/include/adminer.inc.php   |  12 +--
 adminer/include/connect.inc.php   |   2 +-
 adminer/include/design.inc.php    |   2 +-
 adminer/include/editing.inc.php   |  14 +--
 adminer/include/functions.inc.php |   6 +-
 adminer/indexes.inc.php           |   6 +-
 adminer/schema.inc.php            |   2 +-
 adminer/select.inc.php            |  10 +-
 adminer/static/editing.js         | 163 +++++++++++++++---------------
 adminer/static/functions.js       |  97 +++++++++---------
 editor/db.inc.php                 |   2 +-
 editor/include/adminer.inc.php    |  10 +-
 editor/static/editing.js          |   3 +-
 plugins/tables-filter.php         |   2 +-
 18 files changed, 176 insertions(+), 175 deletions(-)

diff --git a/adminer/create.inc.php b/adminer/create.inc.php
index 2b9ebb28..93604df9 100644
--- a/adminer/create.inc.php
+++ b/adminer/create.inc.php
@@ -204,7 +204,7 @@ if (support("partitioning")) {
 	print_fieldset("partition", lang('Partition by'), $row["partition_by"]);
 	?>
 <p>
-<?php echo "<select name='partition_by' onchange='partitionByChange(this);'" . on_help("getTarget(event).value.replace(/./, 'PARTITION BY \$&')", 1) . ">" . optionlist(array("" => "") + $partition_by, $row["partition_by"]) . "</select>"; ?>
+<?php echo "<select name='partition_by' onchange='partitionByChange.call(this);'" . on_help("getTarget(event).value.replace(/./, 'PARTITION BY \$&')", 1) . ">" . optionlist(array("" => "") + $partition_by, $row["partition_by"]) . "</select>"; ?>
 (<input name="partition" value="<?php echo h($row["partition"]); ?>">)
 <?php echo lang('Partitions'); ?>: <input type="number" name="partitions" class="size<?php echo ($partition_table || !$row["partition_by"] ? " hidden" : ""); ?>" value="<?php echo h($row["partitions"]); ?>">
 <table cellspacing="0" id="partition-table"<?php echo ($partition_table ? "" : " class='hidden'"); ?>>
@@ -212,7 +212,7 @@ if (support("partitioning")) {
 <?php
 foreach ($row["partition_names"] as $key => $val) {
 	echo '<tr>';
-	echo '<td><input name="partition_names[]" value="' . h($val) . '"' . ($key == count($row["partition_names"]) - 1 ? ' onchange="partitionNameChange(this);"' : '') . ' autocapitalize="off">';
+	echo '<td><input name="partition_names[]" value="' . h($val) . '"' . ($key == count($row["partition_names"]) - 1 ? ' onchange="partitionNameChange.call(this);"' : '') . ' autocapitalize="off">';
 	echo '<td><input name="partition_values[]" value="' . h($row["partition_values"][$key]) . '">';
 }
 ?>
diff --git a/adminer/db.inc.php b/adminer/db.inc.php
index 8a99310a..b93ca700 100644
--- a/adminer/db.inc.php
+++ b/adminer/db.inc.php
@@ -64,7 +64,7 @@ if ($adminer->homepage()) {
 			}
 			$doc_link = doc_link(array('sql' => 'show-table-status.html'));
 			echo "<table cellspacing='0' class='nowrap checkable' onclick='tableClick(event);' ondblclick='tableClick(event, true);'>\n";
-			echo '<thead><tr class="wrap"><td><input id="check-all" type="checkbox" onclick="formCheck(this, /^(tables|views)\[/);" class="jsonly">';
+			echo '<thead><tr class="wrap"><td><input id="check-all" type="checkbox" onclick="formCheck.call(this, /^(tables|views)\[/);" class="jsonly">';
 			echo '<th>' . lang('Table');
 			echo '<td>' . lang('Engine') . doc_link(array('sql' => 'storage-engines.html'));
 			echo '<td>' . lang('Collation') . doc_link(array('sql' => 'charset-mysql.html'));
@@ -135,7 +135,7 @@ if ($adminer->homepage()) {
 					echo (support("copy") ? " <input type='submit' name='copy' value='" . lang('Copy') . "'>" : "");
 					echo "\n";
 				}
-				echo "<input type='hidden' name='all' value='' onclick=\"selectCount('selected', formChecked(this, /^(tables|views)\[/));" . (support("table") ? " selectCount('selected2', formChecked(this, /^tables\[/) || $tables);" : "") . "\">\n"; // used by trCheck()
+				echo "<input type='hidden' name='all' value='' onclick=\"selectCount('selected', formChecked.call(this, /^(tables|views)\[/));" . (support("table") ? " selectCount('selected2', formChecked.call(this, /^tables\[/) || $tables);" : "") . "\">\n"; // used by trCheck()
 				echo "<input type='hidden' name='token' value='$token'>\n";
 				echo "</div></fieldset>\n";
 			}
diff --git a/adminer/dump.inc.php b/adminer/dump.inc.php
index 0dd819a0..14b59889 100644
--- a/adminer/dump.inc.php
+++ b/adminer/dump.inc.php
@@ -169,8 +169,8 @@ $prefixes = array();
 if (DB != "") {
 	$checked = ($TABLE != "" ? "" : " checked");
 	echo "<thead><tr>";
-	echo "<th style='text-align: left;'><label class='block'><input type='checkbox' id='check-tables'$checked onclick='formCheck(this, /^tables\\[/);'>" . lang('Tables') . "</label>";
-	echo "<th style='text-align: right;'><label class='block'>" . lang('Data') . "<input type='checkbox' id='check-data'$checked onclick='formCheck(this, /^data\\[/);'></label>";
+	echo "<th style='text-align: left;'><label class='block'><input type='checkbox' id='check-tables'$checked onclick='formCheck.call(this, /^tables\\[/);'>" . lang('Tables') . "</label>";
+	echo "<th style='text-align: right;'><label class='block'>" . lang('Data') . "<input type='checkbox' id='check-data'$checked onclick='formCheck.call(this, /^data\\[/);'></label>";
 	echo "</thead>\n";
 
 	$views = "";
@@ -178,11 +178,11 @@ if (DB != "") {
 	foreach ($tables_list as $name => $type) {
 		$prefix = preg_replace('~_.*~', '', $name);
 		$checked = ($TABLE == "" || $TABLE == (substr($TABLE, -1) == "%" ? "$prefix%" : $name)); //! % may be part of table name
-		$print = "<tr><td>" . checkbox("tables[]", $name, $checked, $name, "checkboxClick(event, this); formUncheck('check-tables');", "block");
+		$print = "<tr><td>" . checkbox("tables[]", $name, $checked, $name, "checkboxClick.call(this, event); formUncheck('check-tables');", "block");
 		if ($type !== null && !preg_match('~table~i', $type)) {
 			$views .= "$print\n";
 		} else {
-			echo "$print<td align='right'><label class='block'><span id='Rows-" . h($name) . "'></span>" . checkbox("data[]", $name, $checked, "", "checkboxClick(event, this); formUncheck('check-data');") . "</label>\n";
+			echo "$print<td align='right'><label class='block'><span id='Rows-" . h($name) . "'></span>" . checkbox("data[]", $name, $checked, "", "checkboxClick.call(this, event); formUncheck('check-data');") . "</label>\n";
 		}
 		$prefixes[$prefix]++;
 	}
@@ -193,7 +193,7 @@ if (DB != "") {
 	}
 
 } else {
-	echo "<thead><tr><th style='text-align: left;'><label class='block'><input type='checkbox' id='check-databases'" . ($TABLE == "" ? " checked" : "") . " onclick='formCheck(this, /^databases\\[/);'>" . lang('Database') . "</label></thead>\n";
+	echo "<thead><tr><th style='text-align: left;'><label class='block'><input type='checkbox' id='check-databases'" . ($TABLE == "" ? " checked" : "") . " onclick='formCheck.call(this, /^databases\\[/);'>" . lang('Database') . "</label></thead>\n";
 	$databases = $adminer->databases();
 	if ($databases) {
 		foreach ($databases as $db) {
diff --git a/adminer/foreign.inc.php b/adminer/foreign.inc.php
index 07602db4..85779357 100644
--- a/adminer/foreign.inc.php
+++ b/adminer/foreign.inc.php
@@ -67,7 +67,7 @@ $referencable = array_keys(array_filter(table_status('', true), 'fk_support'));
 $j = 0;
 foreach ($row["source"] as $key => $val) {
 	echo "<tr>";
-	echo "<td>" . html_select("source[" . (+$key) . "]", array(-1 => "") + $source, $val, ($j == count($row["source"]) - 1 ? "foreignAddRow(this);" : 1), "label-source");
+	echo "<td>" . html_select("source[" . (+$key) . "]", array(-1 => "") + $source, $val, ($j == count($row["source"]) - 1 ? "foreignAddRow.call(this);" : 1), "label-source");
 	echo "<td>" . html_select("target[" . (+$key) . "]", $target, $row["target"][$key], 1, "label-target");
 	$j++;
 }
diff --git a/adminer/include/adminer.inc.php b/adminer/include/adminer.inc.php
index d997384f..dde21082 100644
--- a/adminer/include/adminer.inc.php
+++ b/adminer/include/adminer.inc.php
@@ -309,7 +309,7 @@ focus(qs('#username'));
 		$select[""] = array();
 		foreach ($select as $key => $val) {
 			$val = $_GET["columns"][$key];
-			$column = select_input(" name='columns[$i][col]' onchange='" . ($key !== ""  ? "selectFieldChange(this.form)" : "selectAddRow(this)") . ";'", $columns, $val["col"]);
+			$column = select_input(" name='columns[$i][col]' onchange='" . ($key !== ""  ? "selectFieldChange(this.form)" : "selectAddRow.call(this)") . ";'", $columns, $val["col"]);
 			echo "<div>" . ($functions || $grouping ? "<select name='columns[$i][fun]' onchange='helpClose();" . ($key !== "" ? "" : " this.nextSibling.nextSibling.onchange();") . "'"
 				. on_help("getTarget(event).value && getTarget(event).value.replace(/ |\$/, '(') + ')'", 1) . ">" . optionlist(array(-1 => "") + array_filter(array(lang('Functions') => $functions, lang('Aggregation') => $grouping)), $val["fun"]) . "</select>"
 				. "($column)" : $column) . "</div>\n";
@@ -342,7 +342,7 @@ focus(qs('#username'));
 			if (!$val || ("$val[col]$val[val]" != "" && in_array($val["op"], $this->operators))) {
 				echo "<div>" . select_input(" name='where[$i][col]' onchange='$change_next'", $columns, $val["col"], "(" . lang('anywhere') . ")");
 				echo html_select("where[$i][op]", $this->operators, $val["op"], $change_next);
-				echo "<input type='search' name='where[$i][val]' value='" . h($val["val"]) . "' onchange='" . ($val ? "selectFieldChange(this.form)" : "selectAddRow(this)") . ";' onkeydown='selectSearchKeydown(this, event);' onsearch='selectSearchSearch(this);'></div>\n";
+				echo "<input type='search' name='where[$i][val]' value='" . h($val["val"]) . "' onchange='" . ($val ? "selectFieldChange(this.form)" : "selectAddRow.call(this)") . ";' onkeydown='selectSearchKeydown.call(this, event);' onsearch='selectSearchSearch.call(this);'></div>\n";
 			}
 		}
 		echo "</div></fieldset>\n";
@@ -364,7 +364,7 @@ focus(qs('#username'));
 				$i++;
 			}
 		}
-		echo "<div>" . select_input(" name='order[$i]' onchange='selectAddRow(this);'", $columns);
+		echo "<div>" . select_input(" name='order[$i]' onchange='selectAddRow.call(this);'", $columns);
 		echo checkbox("desc[$i]", 1, false, lang('descending')) . "</div>\n";
 		echo "</div></fieldset>\n";
 	}
@@ -852,7 +852,7 @@ focus(qs('#username'));
 					foreach ($usernames as $username => $password) {
 						if ($password !== null) {
 							if ($first) {
-								echo "<p id='logins' onmouseover='menuOver(this, event);' onmouseout='menuOut(this);'>\n";
+								echo "<p id='logins' onmouseover='menuOver.call(this, event);' onmouseout='menuOut.call(this);'>\n";
 								$first = false;
 							}
 							$dbs = $_SESSION["db"][$vendor][$server][$username];
@@ -924,7 +924,7 @@ bodyLoad('<?php echo (is_object($connection) ? substr($connection->server_info,
 <p id="dbs">
 <?php
 		hidden_fields_get();
-		$db_events = " onmousedown='dbMouseDown(event, this);' onchange='dbChange(this);'";
+		$db_events = " onmousedown='dbMouseDown.call(this, event);' onchange='dbChange.call(this);'";
 		echo "<span title='" . lang('database') . "'>DB</span>: " . ($databases
 			? "<select name='db'$db_events>" . optionlist(array("" => "") + $databases, DB) . "</select>"
 			: '<input name="db" value="' . h(DB) . '" autocapitalize="off">'
@@ -951,7 +951,7 @@ bodyLoad('<?php echo (is_object($connection) ? substr($connection->server_info,
 	* @return null
 	*/
 	function tablesPrint($tables) {
-		echo "<ul id='tables' onmouseover='menuOver(this, event);' onmouseout='menuOut(this);'>\n";
+		echo "<ul id='tables' onmouseover='menuOver.call(this, event);' onmouseout='menuOut.call(this);'>\n";
 		foreach ($tables as $table => $status) {
 			echo '<li><a href="' . h(ME) . 'select=' . urlencode($table) . '"' . bold($_GET["select"] == $table || $_GET["edit"] == $table, "select") . ">" . lang('select') . "</a> ";
 			$name = $this->tableName($status);
diff --git a/adminer/include/connect.inc.php b/adminer/include/connect.inc.php
index 061475a1..40074132 100644
--- a/adminer/include/connect.inc.php
+++ b/adminer/include/connect.inc.php
@@ -56,7 +56,7 @@ function connect_error() {
 			echo "</table>\n";
 			echo (support("database")
 				? "<fieldset><legend>" . lang('Selected') . " <span id='selected'></span></legend><div>\n"
-					. "<input type='hidden' name='all' value='' onclick=\"selectCount('selected', formChecked(this, /^db/));\">\n" // used by trCheck()
+					. "<input type='hidden' name='all' value='' onclick=\"selectCount('selected', formChecked.call(this, /^db/));\">\n" // used by trCheck()
 					. "<input type='submit' name='drop' value='" . lang('Drop') . "'" . confirm() . ">\n"
 					. "</div></fieldset>\n"
 				: ""
diff --git a/adminer/include/design.inc.php b/adminer/include/design.inc.php
index 291273c8..2f40866e 100644
--- a/adminer/include/design.inc.php
+++ b/adminer/include/design.inc.php
@@ -39,7 +39,7 @@ document.body.className = document.body.className.replace(/ nojs/, ' js');
 var offlineMessage = '<?php echo js_escape(lang('You are offline.')); ?>';
 </script>
 
-<div id="help" class="jush-<?php echo $jush; ?> jsonly hidden" onmouseover="helpOpen = 1;" onmouseout="helpMouseout(this, event);"></div>
+<div id="help" class="jush-<?php echo $jush; ?> jsonly hidden" onmouseover="helpOpen = 1;" onmouseout="helpMouseout.call(this, event);"></div>
 
 <div id="content">
 <?php
diff --git a/adminer/include/editing.inc.php b/adminer/include/editing.inc.php
index 2d5545f5..cc50379e 100644
--- a/adminer/include/editing.inc.php
+++ b/adminer/include/editing.inc.php
@@ -150,7 +150,7 @@ if ($foreign_keys) {
 }
 echo optionlist($structured_types, $type);
 ?></select>
-<td><input name="<?php echo h($key); ?>[length]" value="<?php echo h($field["length"]); ?>" size="3" onfocus="editingLengthFocus(this);"<?php echo (!$field["length"] && preg_match('~var(char|binary)$~', $type) ? " class='required'" : ""); ?> onchange="editingLengthChange(this);" onkeyup="this.onchange();" aria-labelledby="label-length"><td class="options"><?php //! type="number" with enabled JavaScript
+<td><input name="<?php echo h($key); ?>[length]" value="<?php echo h($field["length"]); ?>" size="3" onfocus="editingLengthFocus.call(this);"<?php echo (!$field["length"] && preg_match('~var(char|binary)$~', $type) ? " class='required'" : ""); ?> onchange="editingLengthChange.call(this);" onkeyup="this.onchange();" aria-labelledby="label-length"><td class="options"><?php //! type="number" with enabled JavaScript
 	echo "<select name='" . h($key) . "[collation]'" . (preg_match('~(char|text|enum|set)$~', $type) ? "" : " class='hidden'") . '><option value="">(' . lang('collation') . ')' . optionlist($collations, $field["collation"]) . '</select>';
 	echo ($unsigned ? "<select name='" . h($key) . "[unsigned]'" . (!$type || preg_match('~((^|[^o])int|float|double|decimal)$~', $type) ? "" : " class='hidden'") . '><option>' . optionlist($unsigned, $field["unsigned"]) . '</select>' : '');
 	echo (isset($field['on_update']) ? "<select name='" . h($key) . "[on_update]'" . (preg_match('~timestamp|datetime~', $type) ? "" : " class='hidden'") . '>' . optionlist(array("" => "(" . lang('ON UPDATE') . ")", "CURRENT_TIMESTAMP"), $field["on_update"]) . '</select>' : '');
@@ -239,7 +239,7 @@ function edit_fields($fields, $collations, $type = "TABLE", $foreign_keys = arra
 <thead><tr class="wrap">
 <?php if ($type == "PROCEDURE") { ?><td>&nbsp;<?php } ?>
 <th id="label-name"><?php echo ($type == "TABLE" ? lang('Column name') : lang('Parameter name')); ?>
-<td id="label-type"><?php echo lang('Type'); ?><textarea id="enum-edit" rows="4" cols="12" wrap="off" style="display: none;" onblur="editingLengthBlur(this);"></textarea>
+<td id="label-type"><?php echo lang('Type'); ?><textarea id="enum-edit" rows="4" cols="12" wrap="off" style="display: none;" onblur="editingLengthBlur.call(this);"></textarea>
 <td id="label-length"><?php echo lang('Length'); ?>
 <td><?php echo lang('Options'); /* no label required, options have their own label */ ?>
 <?php if ($type == "TABLE") { ?>
@@ -264,7 +264,7 @@ function edit_fields($fields, $collations, $type = "TABLE", $foreign_keys = arra
 		?>
 <tr<?php echo ($display ? "" : " style='display: none;'"); ?>>
 <?php echo ($type == "PROCEDURE" ? "<td>" . html_select("fields[$i][inout]", explode("|", $inout), $field["inout"]) : ""); ?>
-<th><?php if ($display) { ?><input name="fields[<?php echo $i; ?>][field]" value="<?php echo h($field["field"]); ?>" onchange="editingNameChange(this);<?php echo ($field["field"] != "" || count($fields) > 1 ? '' : ' editingAddRow(this);" onkeyup="if (this.value) editingAddRow(this);'); ?>" maxlength="64" autocapitalize="off" aria-labelledby="label-name"><?php } ?>
+<th><?php if ($display) { ?><input name="fields[<?php echo $i; ?>][field]" value="<?php echo h($field["field"]); ?>" onchange="editingNameChange.call(this);<?php echo ($field["field"] != "" || count($fields) > 1 ? '' : ' editingAddRow.call(this);" onkeyup="if (this.value) editingAddRow.call(this);'); ?>" maxlength="64" autocapitalize="off" aria-labelledby="label-name"><?php } ?>
 <input type="hidden" name="fields[<?php echo $i; ?>][orig]" value="<?php echo h($orig); ?>">
 <?php edit_type("fields[$i]", $field, $collations, $foreign_keys); ?>
 <?php if ($type == "TABLE") { ?>
@@ -276,11 +276,11 @@ echo checkbox("fields[$i][has_default]", 1, $field["has_default"], "", "", "", "
 <?php
 		echo "<td>";
 		echo (support("move_col") ?
-			"<input type='image' class='icon' name='add[$i]' src='../adminer/static/plus.gif' alt='+' title='" . lang('Add next') . "' onclick='return !editingAddRow(this, 1);'>&nbsp;"
-			. "<input type='image' class='icon' name='up[$i]' src='../adminer/static/up.gif' alt='^' title='" . lang('Move up') . "' onclick='return !editingMoveRow(this, 1);'>&nbsp;"
-			. "<input type='image' class='icon' name='down[$i]' src='../adminer/static/down.gif' alt='v' title='" . lang('Move down') . "' onclick='return !editingMoveRow(this, 0);'>&nbsp;"
+			"<input type='image' class='icon' name='add[$i]' src='../adminer/static/plus.gif' alt='+' title='" . lang('Add next') . "' onclick='return !editingAddRow.call(this, 1);'>&nbsp;"
+			. "<input type='image' class='icon' name='up[$i]' src='../adminer/static/up.gif' alt='^' title='" . lang('Move up') . "' onclick='return !editingMoveRow.call(this, 1);'>&nbsp;"
+			. "<input type='image' class='icon' name='down[$i]' src='../adminer/static/down.gif' alt='v' title='" . lang('Move down') . "' onclick='return !editingMoveRow.call(this, 0);'>&nbsp;"
 		: "");
-		echo ($orig == "" || support("drop_col") ? "<input type='image' class='icon' name='drop_col[$i]' src='../adminer/static/cross.gif' alt='x' title='" . lang('Remove') . "' onclick=\"return !editingRemoveRow(this, 'fields\$1[field]');\">" : "");
+		echo ($orig == "" || support("drop_col") ? "<input type='image' class='icon' name='drop_col[$i]' src='../adminer/static/cross.gif' alt='x' title='" . lang('Remove') . "' onclick=\"return !editingRemoveRow.call(this, 'fields\$1[field]');\">" : "");
 		echo "\n";
 	}
 }
diff --git a/adminer/include/functions.inc.php b/adminer/include/functions.inc.php
index fdca468a..8afff85b 100644
--- a/adminer/include/functions.inc.php
+++ b/adminer/include/functions.inc.php
@@ -878,7 +878,7 @@ function input($field, $value, $function) {
 		$attrs .= $onchange;
 		$has_function = (in_array($function, $functions) || isset($functions[$function]));
 		echo (count($functions) > 1
-			? "<select name='function[$name]' onchange='functionChange(this);'" . on_help("getTarget(event).value.replace(/^SQL\$/, '')", 1) . ">" . optionlist($functions, $function === null || $has_function ? $function : "") . "</select>"
+			? "<select name='function[$name]' onchange='functionChange.call(this);'" . on_help("getTarget(event).value.replace(/^SQL\$/, '')", 1) . ">" . optionlist($functions, $function === null || $has_function ? $function : "") . "</select>"
 			: nbsp(reset($functions))
 		) . '<td>';
 		$input = $adminer->editInput($_GET["edit"], $field, $attrs, $value); // usage in call is without a table
@@ -1296,7 +1296,7 @@ function lzw_decompress($binary) {
 * @return string
 */
 function on_help($command, $side = 0) {
-	return " onmouseover='helpMouseover(this, event, " . h($command) . ", $side);' onmouseout='helpMouseout(this, event);'";
+	return " onmouseover='helpMouseover.call(this, event, " . h($command) . ", $side);' onmouseout='helpMouseout.call(this, event);'";
 }
 
 /** Print edit data form
@@ -1364,7 +1364,7 @@ function edit_form($TABLE, $fields, $row, $update) {
 		}
 		if (!support("table")) {
 			echo "<tr>"
-				. "<th><input name='field_keys[]' onkeyup='keyupChange.call(this);' onchange='fieldChange(this);' value=''>" // needs empty value for keyupChange()
+				. "<th><input name='field_keys[]' onkeyup='keyupChange.call(this);' onchange='fieldChange.call(this);' value=''>" // needs empty value for keyupChange()
 				. "<td class='function'>" . html_select("field_funs[]", $adminer->editFunctions(array("null" => isset($_GET["select"]))))
 				. "<td><input name='field_vals[]'>"
 				. "\n"
diff --git a/adminer/indexes.inc.php b/adminer/indexes.inc.php
index 806e1b6e..1e0f4fba 100644
--- a/adminer/indexes.inc.php
+++ b/adminer/indexes.inc.php
@@ -113,14 +113,14 @@ if ($primary) {
 $j = 1;
 foreach ($row["indexes"] as $index) {
 	if (!$_POST["drop_col"] || $j != key($_POST["drop_col"])) {
-		echo "<tr><td>" . html_select("indexes[$j][type]", array(-1 => "") + $index_types, $index["type"], ($j == count($row["indexes"]) ? "indexesAddRow(this);" : 1), "label-type");
+		echo "<tr><td>" . html_select("indexes[$j][type]", array(-1 => "") + $index_types, $index["type"], ($j == count($row["indexes"]) ? "indexesAddRow.call(this);" : 1), "label-type");
 
 		echo "<td>";
 		ksort($index["columns"]);
 		$i = 1;
 		foreach ($index["columns"] as $key => $column) {
 			echo "<span>" . select_input(
-				" name='indexes[$j][columns][$i]' onchange=\"" . ($i == count($index["columns"]) ? "indexesAddColumn" : "indexesChangeColumn") . "(this, '" . h(js_escape($jush == "sql" ? "" : $_GET["indexes"] . "_")) . "');\" title='" . lang('Column') . "'",
+				" name='indexes[$j][columns][$i]' onchange=\"" . ($i == count($index["columns"]) ? "indexesAddColumn" : "indexesChangeColumn") . ".call(this, '" . h(js_escape($jush == "sql" ? "" : $_GET["indexes"] . "_")) . "');\" title='" . lang('Column') . "'",
 				($fields ? array_combine($fields, $fields) : $fields),
 				$column
 			);
@@ -131,7 +131,7 @@ foreach ($row["indexes"] as $index) {
 		}
 
 		echo "<td><input name='indexes[$j][name]' value='" . h($index["name"]) . "' autocapitalize='off' aria-labelledby='label-name'>\n";
-		echo "<td><input type='image' class='icon' name='drop_col[$j]' src='../adminer/static/cross.gif' alt='x' title='" . lang('Remove') . "' onclick=\"return !editingRemoveRow(this, 'indexes\$1[type]');\">\n";
+		echo "<td><input type='image' class='icon' name='drop_col[$j]' src='../adminer/static/cross.gif' alt='x' title='" . lang('Remove') . "' onclick=\"return !editingRemoveRow.call(this, 'indexes\$1[type]');\">\n";
 	}
 	$j++;
 }
diff --git a/adminer/schema.inc.php b/adminer/schema.inc.php
index 6f58a2b4..ff80018e 100644
--- a/adminer/schema.inc.php
+++ b/adminer/schema.inc.php
@@ -59,7 +59,7 @@ document.onmouseup = function (ev) {
 </script>
 <?php
 foreach ($schema as $name => $table) {
-	echo "<div class='table' style='top: " . $table["pos"][0] . "em; left: " . $table["pos"][1] . "em;' onmousedown='schemaMousedown(this, event);'>";
+	echo "<div class='table' style='top: " . $table["pos"][0] . "em; left: " . $table["pos"][1] . "em;' onmousedown='schemaMousedown.call(this, event);'>";
 	echo '<a href="' . h(ME) . 'table=' . urlencode($name) . '"><b>' . h($name) . "</b></a>";
 	
 	foreach ($table["fields"] as $field) {
diff --git a/adminer/select.inc.php b/adminer/select.inc.php
index 2d5c79c8..191b28a7 100644
--- a/adminer/select.inc.php
+++ b/adminer/select.inc.php
@@ -298,7 +298,7 @@ if (!$columns && support("table")) {
 			$backward_keys = $adminer->backwardKeys($TABLE, $table_name);
 
 			echo "<table id='table' cellspacing='0' class='nowrap checkable' onclick='tableClick(event);' ondblclick='tableClick(event, true);' onkeydown='return editingKeydown(event);'>\n";
-			echo "<thead><tr>" . (!$group && $select ? "" : "<td><input type='checkbox' id='all-page' onclick='formCheck(this, /check/);' class='jsonly'> <a href='" . h($_GET["modify"] ? remove_from_uri("modify") : $_SERVER["REQUEST_URI"] . "&modify=1") . "'>" . lang('Modify') . "</a>");
+			echo "<thead><tr>" . (!$group && $select ? "" : "<td><input type='checkbox' id='all-page' onclick='formCheck.call(this, /check/);' class='jsonly'> <a href='" . h($_GET["modify"] ? remove_from_uri("modify") : $_SERVER["REQUEST_URI"] . "&modify=1") . "'>" . lang('Modify') . "</a>");
 			$names = array();
 			$functions = array();
 			reset($select);
@@ -314,7 +314,7 @@ if (!$columns && support("table")) {
 						$column = idf_escape($key);
 						$href = remove_from_uri('(order|desc)[^=]*|page') . '&order%5B0%5D=' . urlencode($key);
 						$desc = "&desc%5B0%5D=1";
-						echo '<th onmouseover="columnMouse(this);" onmouseout="columnMouse(this, \' hidden\');">';
+						echo '<th onmouseover="columnMouse.call(this);" onmouseout="columnMouse.call(this, \' hidden\');">';
 						echo '<a href="' . h($href . ($order[0] == $column || $order[0] == $key || (!$order && $is_group && $group[0] == $column) ? $desc : '')) . '">'; // $order[0] == $key - COUNT(*)
 						echo apply_sql_function($val["fun"], $name) . "</a>"; //! columns looking like functions
 						echo "<span class='column hidden'>";
@@ -419,7 +419,7 @@ if (!$columns && support("table")) {
 							echo "<td>" . ($text ? "<textarea name='$id' cols='30' rows='" . (substr_count($row[$key], "\n") + 1) . "'>$h_value</textarea>" : "<input name='$id' value='$h_value' size='$lengths[$key]'>");
 						} else {
 							$long = strpos($val, "<i>...</i>");
-							echo "<td id='$id' onclick=\"selectClick(this, event, " . ($long ? 2 : ($text ? 1 : 0)) . ($editable ? "" : ", '" . h(lang('Use edit link to modify this value.')) . "'") . ");\">$val";
+							echo "<td id='$id' onclick=\"selectClick.call(this, event, " . ($long ? 2 : ($text ? 1 : 0)) . ($editable ? "" : ", '" . h(lang('Use edit link to modify this value.')) . "'") . ");\">$val";
 						}
 					}
 				}
@@ -474,7 +474,7 @@ if (!$columns && support("table")) {
 						);
 					}
 					echo (($found_rows === false ? count($rows) + 1 : $found_rows - $page * $limit) > $limit
-						? ' <a href="' . h(remove_from_uri("page") . "&page=" . ($page + 1)) . '" onclick="return !selectLoadMore(this, ' . (+$limit) . ', \'' . lang('Loading') . '...\');" class="loadmore">' . lang('Load more data') . '</a>'
+						? ' <a href="' . h(remove_from_uri("page") . "&page=" . ($page + 1)) . '" onclick="return !selectLoadMore.call(this, ' . (+$limit) . ', \'' . lang('Loading') . '...\');" class="loadmore">' . lang('Load more data') . '</a>'
 						: ''
 					);
 				} else {
@@ -488,7 +488,7 @@ if (!$columns && support("table")) {
 			echo "<p class='count'>\n";
 			echo ($found_rows !== false ? "(" . ($exact_count ? "" : "~ ") . lang('%d row(s)', $found_rows) . ") " : "");
 			$display_rows = ($exact_count ? "" : "~ ") . $found_rows;
-			echo checkbox("all", 1, 0, lang('whole result'), "var checked = formChecked(this, /check/); selectCount('selected', this.checked ? '$display_rows' : checked); selectCount('selected2', this.checked || !checked ? '$display_rows' : checked);") . "\n";
+			echo checkbox("all", 1, 0, lang('whole result'), "var checked = formChecked.call(this, /check/); selectCount('selected', this.checked ? '$display_rows' : checked); selectCount('selected2', this.checked || !checked ? '$display_rows' : checked);") . "\n";
 
 			if ($adminer->selectCommandPrint()) {
 				?>
diff --git a/adminer/static/editing.js b/adminer/static/editing.js
index e82dd5f4..f601124a 100644
--- a/adminer/static/editing.js
+++ b/adminer/static/editing.js
@@ -67,27 +67,27 @@ var dbPrevious = {};
 
 /** Check if database should be opened to a new window
 * @param MouseEvent
-* @param HTMLSelectElement
+* @this HTMLSelectElement
 */
-function dbMouseDown(event, el) {
+function dbMouseDown(event) {
 	dbCtrl = isCtrl(event);
-	if (dbPrevious[el.name] == undefined) {
-		dbPrevious[el.name] = el.value;
+	if (dbPrevious[this.name] == undefined) {
+		dbPrevious[this.name] = this.value;
 	}
 }
 
 /** Load database after selecting it
-* @param HTMLSelectElement
+* @this HTMLSelectElement
 */
-function dbChange(el) {
+function dbChange() {
 	if (dbCtrl) {
-		el.form.target = '_blank';
+		this.form.target = '_blank';
 	}
-	el.form.submit();
-	el.form.target = '';
-	if (dbCtrl && dbPrevious[el.name] != undefined) {
-		el.value = dbPrevious[el.name];
-		dbPrevious[el.name] = undefined;
+	this.form.submit();
+	this.form.target = '';
+	if (dbCtrl && dbPrevious[this.name] != undefined) {
+		this.value = dbPrevious[this.name];
+		dbPrevious[this.name] = undefined;
 	}
 }
 
@@ -172,14 +172,14 @@ function idfEscape(s) {
 }
 
 /** Detect foreign key
-* @param HTMLInputElement
+* @this HTMLInputElement
 */
-function editingNameChange(field) {
-	var name = field.name.substr(0, field.name.length - 7);
-	var type = formField(field.form, name + '[type]');
+function editingNameChange() {
+	var name = this.name.substr(0, this.name.length - 7);
+	var type = formField(this.form, name + '[type]');
 	var opts = type.options;
 	var candidate; // don't select anything with ambiguous match (like column `id`)
-	var val = field.value;
+	var val = this.value;
 	for (var i = opts.length; i--; ) {
 		var match = /(.+)`(.+)/.exec(opts[i].value);
 		if (!match) { // common type
@@ -209,14 +209,14 @@ function editingNameChange(field) {
 }
 
 /** Add table row for next field
-* @param HTMLInputElement
 * @param boolean
 * @return boolean
+* @this HTMLInputElement
 */
-function editingAddRow(button, focus) {
-	var match = /(\d+)(\.\d+)?/.exec(button.name);
+function editingAddRow(focus) {
+	var match = /(\d+)(\.\d+)?/.exec(this.name);
 	var x = match[0] + (match[2] ? added.substr(match[2].length) : added) + '1';
-	var row = parentTag(button, 'tr');
+	var row = parentTag(this, 'tr');
 	var row2 = cloneNode(row);
 	var tags = qsa('select', row);
 	var tags2 = qsa('select', row2);
@@ -240,16 +240,12 @@ function editingAddRow(button, focus) {
 			tags2[i].checked = false;
 		}
 	}
-	tags[0].onchange = function () {
-		editingNameChange(tags[0]);
-	};
+	tags[0].onchange = editingNameChange;
 	tags[0].onkeyup = function () {
 	};
 	row.parentNode.insertBefore(row2, row.nextSibling);
 	if (focus) {
-		input.onchange = function () {
-			editingNameChange(input);
-		};
+		input.onchange = editingNameChange;
 		input.onkeyup = function () {
 		};
 		input.focus();
@@ -260,24 +256,24 @@ function editingAddRow(button, focus) {
 }
 
 /** Remove table row for field
-* @param HTMLInputElement
 * @param string
 * @return boolean
+* @this HTMLInputElement
 */
-function editingRemoveRow(button, name) {
-	var field = formField(button.form, button.name.replace(/[^\[]+(.+)/, name));
+function editingRemoveRow(name) {
+	var field = formField(this.form, this.name.replace(/[^\[]+(.+)/, name));
 	field.parentNode.removeChild(field);
-	parentTag(button, 'tr').style.display = 'none';
+	parentTag(this, 'tr').style.display = 'none';
 	return true;
 }
 
 /** Move table row for field
-* @param HTMLInputElement
 * @param boolean direction to move row, true for up or false for down
 * @return boolean
+* @this HTMLInputElement
 */
-function editingMoveRow(button, dir){
-	var row = parentTag(button, 'tr');
+function editingMoveRow(dir){
+	var row = parentTag(this, 'tr');
 	if (!('nextElementSibling' in row)) {
 		return false;
 	}
@@ -326,37 +322,37 @@ function editingTypeChange(type) {
 }
 
 /** Mark length as required
-* @param HTMLInputElement
+* @this HTMLInputElement
 */
-function editingLengthChange(el) {
-	alterClass(el, 'required', !el.value.length && /var(char|binary)$/.test(selectValue(el.parentNode.previousSibling.firstChild)));
+function editingLengthChange() {
+	alterClass(this, 'required', !this.value.length && /var(char|binary)$/.test(selectValue(this.parentNode.previousSibling.firstChild)));
 }
 
 /** Edit enum or set
-* @param HTMLInputElement
+* @this HTMLInputElement
 */
-function editingLengthFocus(field) {
-	var td = field.parentNode;
+function editingLengthFocus() {
+	var td = this.parentNode;
 	if (/(enum|set)$/.test(selectValue(td.previousSibling.firstChild))) {
 		var edit = qs('#enum-edit');
-		var val = field.value;
+		var val = this.value;
 		edit.value = (/^'.+'$/.test(val) ? val.substr(1, val.length - 2).replace(/','/g, "\n").replace(/''/g, "'") : val); //! doesn't handle 'a'',''b' correctly
 		td.appendChild(edit);
-		field.style.display = 'none';
+		this.style.display = 'none';
 		edit.style.display = 'inline';
 		edit.focus();
 	}
 }
 
 /** Finish editing of enum or set
-* @param HTMLTextAreaElement
+* @this HTMLTextAreaElement
 */
-function editingLengthBlur(edit) {
-	var field = edit.parentNode.firstChild;
-	var val = edit.value;
+function editingLengthBlur() {
+	var field = this.parentNode.firstChild;
+	var val = this.value;
 	field.value = (/^'[^\n]+'$/.test(val) ? val : "'" + val.replace(/\n+$/, '').replace(/'/g, "''").replace(/\n/g, "','") + "'");
 	field.style.display = 'inline';
-	edit.style.display = 'none';
+	this.style.display = 'none';
 }
 
 /** Show or hide selected table column
@@ -380,49 +376,49 @@ function editingHideDefaults() {
 }
 
 /** Display partition options
-* @param HTMLSelectElement
+* @this HTMLSelectElement
 */
-function partitionByChange(el) {
-	var partitionTable = /RANGE|LIST/.test(selectValue(el));
-	alterClass(el.form['partitions'], 'hidden', partitionTable || !el.selectedIndex);
+function partitionByChange() {
+	var partitionTable = /RANGE|LIST/.test(selectValue(this));
+	alterClass(this.form['partitions'], 'hidden', partitionTable || !this.selectedIndex);
 	alterClass(qs('#partition-table'), 'hidden', !partitionTable);
 	helpClose();
 }
 
 /** Add next partition row
-* @param HTMLInputElement
+* @this HTMLInputElement
 */
-function partitionNameChange(el) {
-	var row = cloneNode(parentTag(el, 'tr'));
+function partitionNameChange() {
+	var row = cloneNode(parentTag(this, 'tr'));
 	row.firstChild.firstChild.value = '';
-	parentTag(el, 'table').appendChild(row);
-	el.onchange = function () {};
+	parentTag(this, 'table').appendChild(row);
+	this.onchange = function () {};
 }
 
 
 
 /** Add row for foreign key
-* @param HTMLSelectElement
+* @this HTMLSelectElement
 */
-function foreignAddRow(field) {
-	field.onchange = function () { };
-	var row = cloneNode(parentTag(field, 'tr'));
+function foreignAddRow() {
+	this.onchange = function () { };
+	var row = cloneNode(parentTag(this, 'tr'));
 	var selects = qsa('select', row);
 	for (var i=0; i < selects.length; i++) {
 		selects[i].name = selects[i].name.replace(/\]/, '1$&');
 		selects[i].selectedIndex = 0;
 	}
-	parentTag(field, 'table').appendChild(row);
+	parentTag(this, 'table').appendChild(row);
 }
 
 
 
 /** Add row for indexes
-* @param HTMLSelectElement
+* @this HTMLSelectElement
 */
-function indexesAddRow(field) {
-	field.onchange = function () { };
-	var row = cloneNode(parentTag(field, 'tr'));
+function indexesAddRow() {
+	this.onchange = function () { };
+	var row = cloneNode(parentTag(this, 'tr'));
 	var selects = qsa('select', row);
 	for (var i=0; i < selects.length; i++) {
 		selects[i].name = selects[i].name.replace(/indexes\[\d+/, '$&1');
@@ -433,17 +429,17 @@ function indexesAddRow(field) {
 		inputs[i].name = inputs[i].name.replace(/indexes\[\d+/, '$&1');
 		inputs[i].value = '';
 	}
-	parentTag(field, 'table').appendChild(row);
+	parentTag(this, 'table').appendChild(row);
 }
 
 /** Change column in index
-* @param HTMLSelectElement
 * @param string name prefix
+* @this HTMLSelectElement
 */
-function indexesChangeColumn(field, prefix) {
+function indexesChangeColumn(prefix) {
 	var names = [];
 	for (var tag in { 'select': 1, 'input': 1 }) {
-		var columns = qsa(tag, parentTag(field, 'td'));
+		var columns = qsa(tag, parentTag(this, 'td'));
 		for (var i=0; i < columns.length; i++) {
 			if (/\[columns\]/.test(columns[i].name)) {
 				var value = selectValue(columns[i]);
@@ -453,14 +449,15 @@ function indexesChangeColumn(field, prefix) {
 			}
 		}
 	}
-	field.form[field.name.replace(/\].*/, '][name]')].value = prefix + names.join('_');
+	this.form[this.name.replace(/\].*/, '][name]')].value = prefix + names.join('_');
 }
 
 /** Add column for index
-* @param HTMLSelectElement
 * @param string name prefix
+* @this HTMLSelectElement
 */
-function indexesAddColumn(field, prefix) {
+function indexesAddColumn(prefix) {
+	var field = this;
 	field.onchange = function () {
 		indexesChangeColumn(field, prefix);
 	};
@@ -510,14 +507,14 @@ function triggerChange(tableRe, table, form) {
 var that, x, y; // em and tablePos defined in schema.inc.php
 
 /** Get mouse position
-* @param HTMLElement
 * @param MouseEvent
+* @this HTMLElement
 */
-function schemaMousedown(el, event) {
+function schemaMousedown(event) {
 	if ((event.which ? event.which : event.button) == 1) {
-		that = el;
-		x = event.clientX - el.offsetLeft;
-		y = event.clientY - el.offsetTop;
+		that = this;
+		x = event.clientX - this.offsetLeft;
+		y = event.clientY - this.offsetTop;
 	}
 }
 
@@ -589,16 +586,16 @@ function schemaMouseup(ev, db) {
 var helpOpen, helpIgnore; // when mouse outs <option> then it mouse overs border of <select> - ignore it
 
 /** Display help
-* @param HTMLElement
 * @param MouseEvent
 * @param string
 * @param bool display on left side (otherwise on top)
+* @this HTMLElement
 */
-function helpMouseover(el, event, text, side) {
+function helpMouseover(event, text, side) {
 	var target = getTarget(event);
 	if (!text) {
 		helpClose();
-	} else if (window.jush && (!helpIgnore || el != target)) {
+	} else if (window.jush && (!helpIgnore || this != target)) {
 		helpOpen = 1;
 		var help = qs('#help');
 		help.innerHTML = text;
@@ -612,12 +609,12 @@ function helpMouseover(el, event, text, side) {
 }
 
 /** Close help after timeout
-* @param HTMLElement
 * @param MouseEvent
+* @this HTMLElement
 */
-function helpMouseout(el, event) {
+function helpMouseout(event) {
 	helpOpen = 0;
-	helpIgnore = (el != getTarget(event));
+	helpIgnore = (this != getTarget(event));
 	setTimeout(function () {
 		if (!helpOpen) {
 			helpClose();
diff --git a/adminer/static/functions.js b/adminer/static/functions.js
index 8cdb7808..15341dd1 100644
--- a/adminer/static/functions.js
+++ b/adminer/static/functions.js
@@ -135,14 +135,14 @@ function selectCount(id, count) {
 }
 
 /** Check all elements matching given name
-* @param HTMLInputElement
 * @param RegExp
+* @this HTMLInputElement
 */
-function formCheck(el, name) {
-	var elems = el.form.elements;
+function formCheck(name) {
+	var elems = this.form.elements;
 	for (var i=0; i < elems.length; i++) {
 		if (name.test(elems[i].name)) {
-			elems[i].checked = el.checked;
+			elems[i].checked = this.checked;
 			trCheck(elems[i]);
 		}
 	}
@@ -172,13 +172,13 @@ function formUncheck(id) {
 }
 
 /** Get number of checked elements matching given name
-* @param HTMLInputElement
 * @param RegExp
 * @return number
+* @this HTMLInputElement
 */
-function formChecked(el, name) {
+function formChecked(name) {
 	var checked = 0;
-	var elems = el.form.elements;
+	var elems = this.form.elements;
 	for (var i=0; i < elems.length; i++) {
 		if (name.test(elems[i].name) && elems[i].checked) {
 			checked++;
@@ -199,7 +199,7 @@ function tableClick(event, click) {
 			if (el.type != 'checkbox') {
 				return;
 			}
-			checkboxClick(event, el);
+			checkboxClick.call(el, event);
 			click = false;
 		}
 		el = el.parentNode;
@@ -219,24 +219,24 @@ var lastChecked;
 
 /** Shift-click on checkbox for multiple selection.
 * @param MouseEvent
-* @param HTMLInputElement
+* @this HTMLInputElement
 */
-function checkboxClick(event, el) {
-	if (!el.name) {
+function checkboxClick(event) {
+	if (!this.name) {
 		return;
 	}
-	if (event.shiftKey && (!lastChecked || lastChecked.name == el.name)) {
+	if (event.shiftKey && (!lastChecked || lastChecked.name == this.name)) {
 		var checked = (lastChecked ? lastChecked.checked : true);
-		var inputs = qsa('input', parentTag(el, 'table'));
+		var inputs = qsa('input', parentTag(this, 'table'));
 		var checking = !lastChecked;
 		for (var i=0; i < inputs.length; i++) {
 			var input = inputs[i];
-			if (input.name === el.name) {
+			if (input.name === this.name) {
 				if (checking) {
 					input.checked = checked;
 					trCheck(input);
 				}
-				if (input === el || input === lastChecked) {
+				if (input === this || input === lastChecked) {
 					if (checking) {
 						break;
 					}
@@ -245,7 +245,7 @@ function checkboxClick(event, el) {
 			}
 		}
 	} else {
-		lastChecked = el;
+		lastChecked = this;
 	}
 }
 
@@ -291,29 +291,30 @@ function pageClick(href, page, event) {
 
 
 /** Display items in menu
-* @param HTMLElement
 * @param MouseEvent
+* @this HTMLElement
 */
-function menuOver(el, event) {
+function menuOver(event) {
 	var a = getTarget(event);
 	if (isTag(a, 'a|span') && a.offsetLeft + a.offsetWidth > a.parentNode.offsetWidth - 15) { // 15 - ellipsis
-		el.style.overflow = 'visible';
+		this.style.overflow = 'visible';
 	}
 }
 
 /** Hide items in menu
-* @param HTMLElement
+* @this HTMLElement
 */
-function menuOut(el) {
-	el.style.overflow = 'auto';
+function menuOut() {
+	this.style.overflow = 'auto';
 }
 
 
 
 /** Add row in select fieldset
-* @param HTMLSelectElement
+* @this HTMLSelectElement
 */
-function selectAddRow(field) {
+function selectAddRow() {
+	var field = this;
 	field.onchange = function () {
 		selectFieldChange(field.form);
 	};
@@ -338,33 +339,33 @@ function selectAddRow(field) {
 }
 
 /** Prevent onsearch handler on Enter
-* @param HTMLInputElement
 * @param KeyboardEvent
+* @this HTMLInputElement
 */
-function selectSearchKeydown(el, event) {
+function selectSearchKeydown(event) {
 	if (event.keyCode == 13 || event.keyCode == 10) {
-		el.onsearch = function () {
+		this.onsearch = function () {
 		};
 	}
 }
 
 /** Clear column name after resetting search
-* @param HTMLInputElement
+* @this HTMLInputElement
 */
-function selectSearchSearch(el) {
-	if (!el.value) {
-		el.parentNode.firstChild.selectedIndex = 0;
+function selectSearchSearch() {
+	if (!this.value) {
+		this.parentNode.firstChild.selectedIndex = 0;
 	}
 }
 
 
 
 /** Toggles column context menu
-* @param HTMLElement
 * @param [string] extra class name
+* @this HTMLElement
 */
-function columnMouse(el, className) {
-	var spans = qsa('span', el);
+function columnMouse(className) {
+	var spans = qsa('span', this);
 	for (var i=0; i < spans.length; i++) {
 		if (/column/.test(spans[i].className)) {
 			spans[i].className = 'column' + (className || '');
@@ -474,11 +475,11 @@ function editingKeydown(event) {
 }
 
 /** Disable maxlength for functions
-* @param HTMLSelectElement
+* @this HTMLSelectElement
 */
-function functionChange(select) {
-	var input = select.form[select.name.replace(/^function/, 'fields')];
-	if (selectValue(select)) {
+function functionChange() {
+	var input = this.form[this.name.replace(/^function/, 'fields')];
+	if (selectValue(this)) {
 		if (input.origType === undefined) {
 			input.origType = input.type;
 			input.origMaxLength = input.getAttribute('data-maxlength');
@@ -506,17 +507,17 @@ function keyupChange() {
 }
 
 /** Add new field in schema-less edit
-* @param HTMLInputElement
+* @this HTMLInputElement
 */
-function fieldChange(field) {
-	var row = cloneNode(parentTag(field, 'tr'));
+function fieldChange() {
+	var row = cloneNode(parentTag(this, 'tr'));
 	var inputs = qsa('input', row);
 	for (var i = 0; i < inputs.length; i++) {
 		inputs[i].value = '';
 	}
 	// keep value in <select> (function)
-	parentTag(field, 'table').appendChild(row);
-	field.onchange = function () { };
+	parentTag(this, 'table').appendChild(row);
+	this.onchange = function () { };
 }
 
 
@@ -609,12 +610,13 @@ function ajaxForm(form, message, button) {
 
 
 /** Display edit field
-* @param HTMLElement
 * @param MouseEvent
 * @param number display textarea instead of input, 2 - load long text
 * @param string warning to display
+* @this HTMLElement
 */
-function selectClick(td, event, text, warning) {
+function selectClick(event, text, warning) {
+	var td = this;
 	var target = getTarget(event);
 	if (!isCtrl(event) || isTag(td.firstChild, 'input|textarea') || isTag(target, 'a')) {
 		return;
@@ -681,12 +683,13 @@ function selectClick(td, event, text, warning) {
 
 
 /** Load and display next page in select
-* @param HTMLLinkElement
 * @param number
 * @param string
 * @return boolean
+* @this HTMLLinkElement
 */
-function selectLoadMore(a, limit, loading) {
+function selectLoadMore(limit, loading) {
+	var a = this;
 	var title = a.innerHTML;
 	var href = a.href;
 	a.innerHTML = loading;
diff --git a/editor/db.inc.php b/editor/db.inc.php
index 352880e9..a593c3c4 100644
--- a/editor/db.inc.php
+++ b/editor/db.inc.php
@@ -8,7 +8,7 @@ if ($adminer->homepage()) {
 		search_tables();
 	}
 	echo "<table cellspacing='0' class='nowrap checkable' onclick='tableClick(event);'>\n";
-	echo '<thead><tr class="wrap"><td><input id="check-all" type="checkbox" onclick="formCheck(this, /^tables\[/);" class="jsonly"><th>' . lang('Table') . '<td>' . lang('Rows') . "</thead>\n";
+	echo '<thead><tr class="wrap"><td><input id="check-all" type="checkbox" onclick="formCheck.call(this, /^tables\[/);" class="jsonly"><th>' . lang('Table') . '<td>' . lang('Rows') . "</thead>\n";
 	
 	foreach (table_status() as $table => $row) {
 		$name = $adminer->tableName($row);
diff --git a/editor/include/adminer.inc.php b/editor/include/adminer.inc.php
index 0416dfa4..bb7de001 100644
--- a/editor/include/adminer.inc.php
+++ b/editor/include/adminer.inc.php
@@ -242,13 +242,13 @@ ORDER BY ORDINAL_POSITION", null, "") as $row) { //! requires MySQL 5
 			if (($val["col"] == "" || $columns[$val["col"]]) && "$val[col]$val[val]" != "") {
 				echo "<div><select name='where[$i][col]'><option value=''>(" . lang('anywhere') . ")" . optionlist($columns, $val["col"], true) . "</select>";
 				echo html_select("where[$i][op]", array(-1 => "") + $this->operators, $val["op"]);
-				echo "<input type='search' name='where[$i][val]' value='" . h($val["val"]) . "' onkeydown='selectSearchKeydown(this, event);' onsearch='selectSearchSearch(this);'></div>\n";
+				echo "<input type='search' name='where[$i][val]' value='" . h($val["val"]) . "' onkeydown='selectSearchKeydown.call(this, event);' onsearch='selectSearchSearch.call(this);'></div>\n";
 				$i++;
 			}
 		}
 		echo "<div><select name='where[$i][col]' onchange='this.nextSibling.nextSibling.onchange();'><option value=''>(" . lang('anywhere') . ")" . optionlist($columns, null, true) . "</select>";
 		echo html_select("where[$i][op]", array(-1 => "") + $this->operators);
-		echo "<input type='search' name='where[$i][val]' onchange='selectAddRow(this);' onsearch='selectSearch(this);'></div>\n";
+		echo "<input type='search' name='where[$i][val]' onchange='selectAddRow.call(this);' onsearch='selectSearchSearch.call(this);'></div>\n";
 		echo "</div></fieldset>\n";
 	}
 
@@ -457,7 +457,7 @@ ORDER BY ORDINAL_POSITION", null, "") as $row) { //! requires MySQL 5
 		if ($options !== null) {
 			return (is_array($options)
 				? "<select$attrs>" . optionlist($options, $value, true) . "</select>"
-				:  "<input value='" . h($value) . "'$attrs class='hidden'><input value='" . h($options) . "' class='jsonly' onkeyup=\"whisper('" . h(ME . "script=complete&source=" . urlencode($table) . "&field=" . urlencode($field["field"])) . "&value=', this);\"><div onclick='return whisperClick(event, this.previousSibling);'></div>"
+				:  "<input value='" . h($value) . "'$attrs class='hidden'><input value='" . h($options) . "' class='jsonly' onkeyup=\"whisper.call(this, '" . h(ME . "script=complete&source=" . urlencode($table) . "&field=" . urlencode($field["field"])) . "&value=');\"><div onclick='return whisperClick(event, this.previousSibling);'></div>"
 			);
 		}
 		if (like_bool($field)) {
@@ -559,7 +559,7 @@ ORDER BY ORDINAL_POSITION", null, "") as $row) { //! requires MySQL 5
 				foreach ($servers[""] as $username => $password) {
 					if ($password !== null) {
 						if ($first) {
-							echo "<p id='logins' onmouseover='menuOver(this, event);' onmouseout='menuOut(this);'>\n";
+							echo "<p id='logins' onmouseover='menuOver.call(this, event);' onmouseout='menuOut.call(this);'>\n";
 							$first = false;
 						}
 						echo "<a href='" . h(auth_url($vendor, "", $username)) . "'>" . ($username != "" ? h($username) : "<i>" . lang('empty') . "</i>") . "</a><br>\n";
@@ -583,7 +583,7 @@ ORDER BY ORDINAL_POSITION", null, "") as $row) { //! requires MySQL 5
 	}
 
 	function tablesPrint($tables) {
-		echo "<p id='tables' onmouseover='menuOver(this, event);' onmouseout='menuOut(this);'>\n";
+		echo "<p id='tables' onmouseover='menuOver.call(this, event);' onmouseout='menuOut.call(this);'>\n";
 		foreach ($tables as $row) {
 			$name = $this->tableName($row);
 			if (isset($row["Engine"]) && $name != "") { // ignore views and tables without name
diff --git a/editor/static/editing.js b/editor/static/editing.js
index 8b5c2359..7d69c01d 100644
--- a/editor/static/editing.js
+++ b/editor/static/editing.js
@@ -21,7 +21,8 @@ function whisperClick(event, field) {
 	}
 }
 
-function whisper(url, field) {
+function whisper(url) {
+	var field = this;
 	if (field.orig != field.value) { // ignore arrows, Shift, ...
 		field.orig = field.value;
 		field.previousSibling.value = field.value; // accept number, reject string
diff --git a/plugins/tables-filter.php b/plugins/tables-filter.php
index b68c23da..a8753eeb 100644
--- a/plugins/tables-filter.php
+++ b/plugins/tables-filter.php
@@ -9,7 +9,7 @@
 class AdminerTablesFilter {
 	function tablesPrint($tables) { ?>
 <p class="jsonly"><input id="filter-field" onkeyup="tablesFilterInput();" autocomplete="off">
-<ul id='tables' onmouseover='menuOver(this, event);' onmouseout='menuOut(this);'>
+<ul id='tables' onmouseover='menuOver.call(this, event);' onmouseout='menuOut.call(this);'>
 <?php
 foreach ($tables as $table => $status) {
 	echo '<li data-table-name="' . h($table) . '"><a href="' . h(ME) . 'select=' . urlencode($table) . '"' . bold($_GET["select"] == $table || $_GET["edit"] == $table, "select") . ">" . lang('select') . "</a> ";