diff --git a/admin/panels/static/admin.static.write.tpl b/admin/panels/static/admin.static.write.tpl
index ffec688..ccaaa12 100755
--- a/admin/panels/static/admin.static.write.tpl
+++ b/admin/panels/static/admin.static.write.tpl
@@ -15,7 +15,12 @@
 	{static content=$post alwaysshow=true}
 	
 			<p><label for="subject">{$panelstrings.subject}</label><br />
-			<input type="text" name="subject" id="subject" {$error.subject|notempty:'class="field-error"'} 
+			{if isset($error) && isset($error.subject) && !empty($error.subject)}
+				{assign var=class value=" field-error"}
+			{else}
+				{assign var=class value=""}
+			{/if}
+			<input type="text" name="subject" id="subject" class="{$class}" 
 			value="{$subject|default:$smarty.request.subject|default:$smarty.request.page|wp_specialchars:1}" /><br />
 			<input type="hidden" name="timestamp" value="{$date}" />
 			</p>
@@ -24,7 +29,12 @@
 			</p>
 			{toolbar}
 			<p>
-			<textarea name="content" {$error.content|notempty:'class="field-error"'} id="content" 
+			{if isset($error) && isset($error.content) && !empty($error.content)}
+				{assign var=class value=" field-error"}
+			{else}
+				{assign var=class value=""}
+			{/if}
+			<textarea name="content" class="{$class}" id="content" 
 			rows="20" cols="74">{$content|default:$smarty.request.content|htmlspecialchars}</textarea><br />
 		{*here will go a plugin hook*}
 			</p>
@@ -32,7 +42,12 @@
 		<fieldset id="admin-static-filename"><legend>{$panelstrings.fieldset2}</legend>
 		<input type="hidden" name="oldid" id="oldid" value="{$id|default:$smarty.request.oldid}" />
 		<p><label for="id">{$panelstrings.pagename}</label><br />
-		<input type="text" name="id" id="id" class="maxsize{$error.id|notempty:' field-error'}"
+		{if isset($error) && isset($error.id) && !empty($error.id)}
+			{assign var=class value=" field-error"}
+		{else}
+			{assign var=class value=""}
+		{/if}
+		<input type="text" name="id" id="id" class="maxsize{$class}"
 		value="{$smarty.request.id|default:$smarty.request.page|default:$static_id}"  /></p>
 		{html_submit name="save" id="save" value=$panelstrings.submit accesskey=s}
 		{html_submit name="preview" id="preview" value=$panelstrings.preview accesskey=p}