diff --git a/include/html.php b/include/html.php
index 3f33de6..577c010 100644
--- a/include/html.php
+++ b/include/html.php
@@ -197,7 +197,7 @@ function html_frame_start($title = "", $width = "", $extra = "", $innerPad = 5)
 
     if ($width) { $width = 'width="'.$width.'"'; }
 
-$str = '<table '.$width.' border=0 cellpadding=0 cellspacing=0 align=center>'."\n";
+$str = '<table '.$width.' border=0 id="mainTable" cellpadding=0 cellspacing=0 align=center>'."\n";
 
 if ($title)
 {