egroupware_official/phpgwapi/inc/class.html.inc.php

694 lines
23 KiB
PHP

<?php
/**************************************************************************\
* eGroupWare - HTML creation class *
* http://www.eGroupWare.org *
* Written and (c) by Ralf Becker <RalfBecker@outdoor-training.de> *
* -------------------------------------------- *
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; either version 2 of the License, or (at your *
* option) any later version. *
\**************************************************************************/
/* $Id$ */
class html
{
var $user_agent,$ua_version; // 'mozilla','msie','konqueror'
var $prefered_img_title;
var $charset,$phpgwapi_js_url;
var $need_footer = False; // do we need to be called at the end of the page
function html()
{
// should be Ok for all HTML 4 compatible browsers
if (!eregi('(Safari)/([0-9.]+)',$_SERVER['HTTP_USER_AGENT'],$parts) &&
!eregi('compatible; ([a-z_]+)[/ ]+([0-9.]+)',$_SERVER['HTTP_USER_AGENT'],$parts))
{
eregi('^([a-z_]+)/([0-9.]+)',$_SERVER['HTTP_USER_AGENT'],$parts);
}
list(,$this->user_agent,$this->ua_version) = $parts;
$this->user_agent = strtolower($this->user_agent);
$this->netscape4 = $this->user_agent == 'mozilla' && $this->ua_version < 5;
$this->prefered_img_title = $this->netscape4 ? 'alt' : 'title';
//echo "<p>HTTP_USER_AGENT='$_SERVER[HTTP_USER_AGENT]', UserAgent: '$this->user_agent', Version: '$this->ua_version', img_title: '$this->prefered_img_title'</p>\n";
if ($GLOBALS['phpgw']->translation)
{
$this->charset = $GLOBALS['phpgw']->translation->charset();
}
$this->phpgwapi_js_url = $GLOBALS['phpgw_info']['server']['webserver_url'].'/phpgwapi/js';
}
/**
* Created an input-field with an attached tigra color-picker
*
* Please note: it need to be called before the call to phpgw_header() !!!
*
* @param $name string the name of the input-field
* @param $value string the actual value for the input-field, default ''
* @param $title string tooltip/title for the picker-activation-icon
*/
function inputColor($name,$value='',$title='')
{
$id = str_replace(array('[',']'),array('_',''),$name).'_colorpicker';
$onclick = "javascript:window.open('".$this->phpgwapi_js_url.'/colorpicker/select_color.html?id='.urlencode($id)."&color='+document.getElementById('$id').value,'colorPicker','width=240,height=187,scrollbars=no,resizable=no,toolbar=no');";
return '<input type="text" name="'.$name.'" id="'.$id.'" value="'.$this->htmlspecialchars($value).'" /> '.
'<a href="#" onclick="'.$onclick.'">'.
'<img src="'.$this->phpgwapi_js_url.'/colorpicker/ed_color_bg.gif'.'"'.($title ? ' title="'.$this->htmlspecialchars($title).'"' : '')." /></a>";
}
/**
* Handles tooltips via the wz_tooltip class from Walter Zorn
*
* Note: The wz_tooltip.js file gets automaticaly loaded at the end of the page
*
* @param $text string/boolean text or html for the tooltip, all chars allowed, they will be quoted approperiate
* Or if False the content (innerHTML) of the element itself is used.
* @param $do_lang boolean (default False) should the text be run though lang()
* @param $options array param/value pairs, eg. 'TITLE' => 'I am the title'. Some common parameters:
* title (string) gives extra title-row, width (int,'auto') , padding (int), above (bool), bgcolor (color), bgimg (URL)
* For a complete list and description see http://www.walterzorn.com/tooltip/tooltip_e.htm
* @return string to be included in any tag, like '<p'.$html->tooltip('Hello <b>Ralf</b>').'>Text with tooltip</p>'
*/
function tooltip($text,$do_lang=False,$options=False)
{
if (!$this->wz_tooltip_included)
{
if (!strstr('wz_tooltip',$GLOBALS['phpgw_info']['flags']['need_footer']))
{
$GLOBALS['phpgw_info']['flags']['need_footer'] .= '<script language="JavaScript" type="text/javascript" src="'.$this->phpgwapi_js_url.'/wz_tooltip/wz_tooltip.js"></script>'."\n";
}
$this->wz_tooltip_included = True;
}
if ($do_lang) $text = lang($text);
$opt_out = 'this.T_WIDTH = 200;';
if (is_array($options))
{
foreach($options as $option => $value)
{
$opt_out .= 'this.T_'.strtoupper($option).'='.(is_numeric($value)?$value:"'".str_replace("'","\\'",$value)."'").'; ';
}
}
if ($text === False) return ' onmouseover="'.$opt_out.'return escape(this.innerHTML);"';
return ' onmouseover="'.$opt_out.'return escape(\''.str_replace(array("\n","\r","'",'"'),array('','',"\\'",'&quot;'),$text).'\')"';
}
function activate_links($content)
{
// Exclude everything which is already a link
$NotAnchor = '(?<!"|href=|href\s=\s|href=\s|href\s=)';
// spamsaver emailaddress
$result = preg_replace('/'.$NotAnchor.'mailto:([a-z0-9._-]+)@([a-z0-9_-]+)\.([a-z0-9._-]+)/i',
'<a href="#" onclick="document.location=\'mai\'+\'lto:\\1\'+unescape(\'%40\')+\'\\2.\\3\'; return false;">\\1 AT \\2 DOT \\3</a>',
$content);
// First match things beginning with http:// (or other protocols)
$Protocol = '(http|ftp|https):\/\/';
$Domain = '([\w]+.[\w]+)';
$Subdir = '([\w\-\.,@?^=%&:\/~\+#]*[\w\-\@?^=%&\/~\+#])?';
$Expr = '/' . $NotAnchor . $Protocol . $Domain . $Subdir . '/i';
$result = preg_replace( $Expr, "<a href=\"$0\" target=\"_blank\">$2$3</a>", $result );
// Now match things beginning with www.
$NotHTTP = '(?<!:\/\/)';
$Domain = 'www(.[\w]+)';
$Subdir = '([\w\-\.,@?^=%&:\/~\+#]*[\w\-\@?^=%&\/~\+#])?';
$Expr = '/' . $NotAnchor . $NotHTTP . $Domain . $Subdir . '/i';
return preg_replace( $Expr, "<a href=\"http://$0\" target=\"_blank\">$0</a>", $result );
}
function htmlspecialchars($str)
{
// add @ by lkneschke to supress warning about unknown charset
$str = @htmlspecialchars($str,ENT_COMPAT,$this->charset);
// we need '&#' unchanged, so we translate it back
$str = str_replace('&amp;#','&#',$str);
return $str;
}
/**
* allows to show and select one item from an array
*
* @param string $name string with name of the submitted var which holds the key of the selected item form array
* @param string/array $key key(s) of already selected item(s) from $arr, eg. '1' or '1,2' or array with keys
* @param array $arr array with items to select, eg. $arr = array ( 'y' => 'yes','n' => 'no','m' => 'maybe');
* @param boolean $no_lang if !$no_lang send items through lang()
* @param string $options additional options (e.g. 'width')
* @param int $multiple number of lines for a multiselect, default 0 = no multiselect
* @return string to set for a template or to echo into html page
*/
function select($name, $key, $arr=0,$no_lang=0,$options='',$multiple=0)
{
if (!is_array($arr))
{
$arr = array('no','yes');
}
if ((int)$multiple > 0)
{
$options .= ' multiple="1" size="'.(int)$multiple.'"';
if (substr($name,-2) != '[]')
{
$name .= '[]';
}
}
$out = "<select name=\"$name\" $options>\n";
if (!is_array($key))
{
// explode on ',' only if multiple values expected and the key contains just numbers and commas
$key = $multiple && preg_match('/^[,0-9]+$/',$key) ? explode(',',$key) : array($key);
}
foreach($arr as $k => $text)
{
$out .= '<option value="'.$this->htmlspecialchars($k).'"';
if(in_array($k,$key))
{
$out .= ' selected="1"';
}
$out .= ">" . ($no_lang || $text == '' ? $text : lang($text)) . "</option>\n";
}
$out .= "</select>\n";
return $out;
}
function div($content,$options='',$class='',$style='')
{
if ($class) $options .= ' class="'.$class.'"';
if ($style) $options .= ' style="'.$style.'"';
return "<div $options>\n".($content ? "$content</div>\n" : '');
}
function input_hidden($vars,$value='',$ignore_empty=True)
{
if (!is_array($vars))
{
$vars = array( $vars => $value );
}
foreach($vars as $name => $value)
{
if (is_array($value))
{
$value = serialize($value);
}
if (!$ignore_empty || $value && !($name == 'filter' && $value == 'none')) // dont need to send all the empty vars
{
$html .= "<input type=\"hidden\" name=\"$name\" value=\"".$this->htmlspecialchars($value)."\" />\n";
}
}
return $html;
}
function textarea($name,$value='',$options='' )
{
return "<textarea name=\"$name\" $options>".$this->htmlspecialchars($value)."</textarea>\n";
}
/**
* Checks if HTMLarea (or an other richtext editor) is availible for the used browser
*/
function htmlarea_availible()
{
switch($this->user_agent)
{
case 'msie':
return $this->ua_version >= 5.5;
case 'mozilla':
return $this->ua_version >= 1.3;
default:
return False;
}
}
/**
* creates a textarea inputfield for the htmlarea js-widget (returns the necessary html and js)
*
* Please note: it need to be called before the call to phpgw_header() !!!
* @author ralfbecker
* @param $name string name and id of the input-field
* @param $content string of the htmlarea (will be run through htmlspecialchars !!!), default ''
* @param $style string inline styles, eg. dimension of textarea element
* @param $base_href string set a base href to get relative image-pathes working
* @param $plugins string plugins to load seperated by comma's, eg 'TableOperations,ContextMenu'
* (htmlarea breaks when a plugin calls a nonexisiting lang file)
* @param $custom_toolbar when given this toolbar lay-out replaces the default lay-out.
* @return the necessary html for the textarea
*/
function htmlarea($name,$content='',$style='',$base_href='',$plugins='',$custom_toolbar='')
{
// check if htmlarea is availible for the browser and use a textarea if not
if (!$this->htmlarea_availible())
{
return $this->textarea($name,$content,'style="'.$style.'"');
}
$id = str_replace(array('[',']'),array('_',''),$name); // no brakets in the id allowed by js
if($custom_toolbar)
{
$custom_toolbar='htmlareaConfig_'.$id.'.toolbar = '.$custom_toolbar;
}
if (!$style)
{
$style = 'width:100%; min-width:500px; height:300px;';
}
if (!$plugins)
{
$plugins = 'ContextMenu,TableOperations,SpellChecker';
}
if (!is_object($GLOBALS['phpgw']->js))
{
$GLOBALS['phpgw']->js = CreateObject('phpgwapi.javascript');
}
/* do stuff once */
if (!strstr($GLOBALS['phpgw_info']['flags']['java_script'],'htmlarea'))
{
$GLOBALS['phpgw']->js->validate_file('htmlarea','htmlarea');
$GLOBALS['phpgw']->js->validate_file('htmlarea','dialog');
$lang = $GLOBALS['phpgw_info']['user']['preferences']['common']['lang'];
if ($lang == 'en') // other lang-files are utf-8 only and incomplete (crashes htmlarea as of 3.0beta)
{
$GLOBALS['phpgw']->js->validate_file('htmlarea',"lang/$lang");
}
else
{
$GLOBALS['phpgw_info']['flags']['java_script'] .=
'<script type="text/javascript" src="'.ereg_replace('[?&]*click_history=[0-9a-f]*','',
$GLOBALS['phpgw']->link('/phpgwapi/inc/htmlarea-lang.php',array('lang'=>$lang))).'"></script>'."\n";
}
$GLOBALS['phpgw_info']['flags']['java_script_thirst'] .=
'<style type="text/css">@import url(' . $this->phpgwapi_js_url . '/htmlarea/htmlarea.css);</style>
<script type="text/javascript">
_editor_url = "'."$this->phpgwapi_js_url/htmlarea/".'";
// var htmlareaConfig = new HTMLArea.Config();
// htmlareaConfig.editorURL = '."'$this->phpgwapi_js_url/htmlarea/';
</script>\n";
// set a base href to get relative image-pathes working
if ($base_href && $this->user_agent != 'msie') // HTMLarea does not work in IE with base href set !!!
{
$GLOBALS['phpgw_info']['flags']['java_script_thirst'] .= '<base href="'.
($base_href[0] != '/' && substr($base_href,0,4) != 'http' ? $GLOBALS['phpgw_info']['server']['webserver_url'].'/' : '').
$base_href.'" />'."\n";
}
if (!empty($plugins))
{
foreach(explode(',',$plugins) as $plg_name)
{
$plg_name = trim($plg_name);
$plg_dir = PHPGW_SERVER_ROOT.'/phpgwapi/js/htmlarea/plugins/'.$plg_name;
if (!@is_dir($plg_dir) || !@file_exists($plg_lang_script="$plg_dir/lang/lang.php") && !@file_exists($plg_lang_file="$plg_dir/lang/$lang.js"))
{
//echo "$plg_dir or $plg_lang_file not found !!!";
continue; // else htmlarea fails with js errors
}
$script_name = strtolower(preg_replace('/([A-Z][a-z]+)([A-Z][a-z]+)/','\\1-\\2',$plg_name));
$GLOBALS['phpgw']->js->validate_file('htmlarea',"plugins/$plg_name/$script_name");
if ($lang == 'en' || !@file_exists($plg_lang_script)) // other lang-files are utf-8 only and incomplete (crashes htmlarea as of 3.0beta)
{
$GLOBALS['phpgw']->js->validate_file('htmlarea',"plugins/$plg_name/lang/$lang");
}
else
{
$GLOBALS['phpgw_info']['flags']['java_script'] .=
'<script type="text/javascript" src="'.ereg_replace('[?&]*click_history=[0-9a-f]*','',
$GLOBALS['phpgw']->link("/phpgwapi/js/htmlarea/plugins/$plg_name/lang/lang.php",array('lang'=>$lang))).'"></script>'."\n";
}
}
}
}
/* do stuff for every htmlarea in the page */
if (!empty($plugins))
{
foreach(explode(',',$plugins) as $plg_name)
{
//$load_plugin_string .= 'HTMLArea.loadPlugin("'.$plg_name.'");'."\n";
$register_plugin_string .= 'ret_editor = editor.registerPlugin("'.$plg_name.'");'."\n";
// $register_plugin_string .= 'editor.registerPlugin("'.$plg_name.'");'."\n";
}
}
// FIXME strange bug when plugins are registered fullscreen editor don't work anymore
$GLOBALS['phpgw_info']['flags']['java_script'] .=
'<script type="text/javascript">
// Replacement for the replace-helperfunction to make it possible to include plugins.
HTMLArea.replace_'.$id.' = function(id, config)
{
var ta = HTMLArea.getElementById("textarea", id);
if(ta)
{
editor = new HTMLArea(ta, config);
'.$register_plugin_string.'
ret_editor = editor.generate();
return ret_editor;
}
else
{
return null;
}
};
'.$load_plugin_string.'
var htmlareaConfig_'.$id.' = new HTMLArea.Config();
'.$custom_toolbar.'
htmlareaConfig_'.$id.'.editorURL = '."'$this->phpgwapi_js_url/htmlarea/';";
$GLOBALS['phpgw_info']['flags']['java_script'] .="</script>\n";
$GLOBALS['phpgw']->js->set_onload("HTMLArea.replace_$id('$id',htmlareaConfig_$id);");
if (!empty($style)) $style = " style=\"$style\"";
return "<textarea name=\"$name\" id=\"$id\"$style>".$this->htmlspecialchars($content)."</textarea>\n";
}
function input($name,$value='',$type='',$options='' )
{
if ($type)
{
$type = 'type="'.$type.'"';
}
return "<input $type name=\"$name\" value=\"".$this->htmlspecialchars($value)."\" $options />\n";
}
function submit_button($name,$lang,$onClick='',$no_lang=0,$options='',$image='',$app='phpgwapi')
{
// workaround for idots and IE button problem (wrong cursor-image)
if ($this->user_agent == 'msie')
{
$options .= ' style="cursor: pointer; cursor: hand;"';
}
if ($image != '')
{
$image = str_replace(array('.gif','.GIF','.png','.PNG'),'',$image);
if (!($path = $GLOBALS['phpgw']->common->image($app,$image)))
{
$path = $image; // name may already contain absolut path
}
$image = ' src="'.$path.'"';
}
if (!$no_lang)
{
$lang = lang($lang);
}
if (($accesskey = strstr($lang,'&')) && $accesskey[1] != ' ' &&
(($pos = strpos($accesskey,';')) === False || $pos > 5))
{
$lang_u = str_replace('&'.$accesskey[1],'<u>'.$accesskey[1].'</u>',$lang);
$lang = str_replace('&','',$lang);
$options = 'accesskey="'.$accesskey[1].'" '.$options;
}
else
{
$accesskey = '';
$lang_u = $lang;
}
if ($onClick) $options .= " onclick=\"$onClick\"";
// <button> is not working in all cases if ($this->user_agent == 'mozilla' && $this->ua_version < 5 || $image)
{
return $this->input($name,$lang,$image != '' ? 'image' : 'submit',$options.$image);
}
return '<button type="submit" name="'.$name.'" value="'.$lang.'" '.$options.' />'.
($image != '' ? "<img$image $this->prefered_img_title=\"$lang\"> " : '').
($image == '' || $accesskey ? $lang_u : '').'</button>';
}
/**
* creates an absolut link + the query / get-variables
*
* Example link('/index.php?menuaction=infolog.uiinfolog.get_list',array('info_id' => 123))
* gives 'http://domain/phpgw-path/index.php?menuaction=infolog.uiinfolog.get_list&info_id=123'
* @param $url phpgw-relative link, may include query / get-vars
* @param $vars query or array ('name' => 'value', ...) with query
* @return string absolut link already run through $phpgw->link
*/
function link($url,$vars='')
{
//echo "<p>html::link(url='$url',vars='"; print_r($vars); echo "')</p>\n";
if (!is_array($vars))
{
parse_str($vars,$vars);
}
list($url,$v) = explode('?',$url); // url may contain additional vars
if ($v)
{
parse_str($v,$v);
$vars += $v;
}
return $GLOBALS['phpgw']->link($url,$vars);
}
function checkbox($name,$value='')
{
return "<input type=\"checkbox\" name=\"$name\" value=\"True\"" .($value ? ' checked="1"' : '') . " />\n";
}
function form($content,$hidden_vars,$url,$url_vars='',$name='',$options='',$method='POST')
{
$html = "<form method=\"$method\" ".($name != '' ? "name=\"$name\" " : '')."action=\"".$this->link($url,$url_vars)."\" $options>\n";
$html .= $this->input_hidden($hidden_vars);
if ($content)
{
$html .= $content;
$html .= "</form>\n";
}
return $html;
}
function form_1button($name,$lang,$hidden_vars,$url,$url_vars='',$form_name='',$method='POST')
{
return $this->form($this->submit_button($name,$lang),$hidden_vars,$url,$url_vars,$form_name,'',$method);
}
/**
* creates table from array of rows
*
* abstracts the html stuff for the table creation
* Example: $rows = array (
* '1' => array(
* 1 => 'cell1', '.1' => 'colspan=3',
* 2 => 'cell2',
* 3 => 'cell3', '.3' => 'width="10%"'
* ),'.1' => 'BGCOLOR="#0000FF"' );
* table($rows,'width="100%"') = '<table width="100%"><tr><td colspan=3>cell1</td><td>cell2</td><td width="10%">cell3</td></tr></table>'
* @param $rows array with rows, each row is an array of the cols
* @param $options options for the table-tag
* @result string with html-code of the table
*/
function table($rows,$options = '',$no_table_tr=False)
{
$html = $no_table_tr ? '' : "<table $options>\n";
foreach($rows as $key => $row)
{
if (!is_array($row))
{
continue; // parameter
}
$html .= $no_table_tr && $key == 1 ? '' : "\t<tr ".$rows['.'.$key].">\n";
foreach($row as $key => $cell)
{
if ($key[0] == '.')
{
continue; // parameter
}
$table_pos = strpos($cell,'<table');
$td_pos = strpos($cell,'<td');
if ($td_pos !== False && ($table_pos === False || $td_pos < $table_pos))
{
$html .= $cell;
}
else
{
$html .= "\t\t<td ".$row['.'.$key].">$cell</td>\n";
}
}
$html .= "\t</tr>\n";
}
$html .= "</table>\n";
if ($no_table_tr)
{
$html = substr($html,0,-16);
}
return $html;
}
function sbox_submit( $sbox,$no_script=0 )
{
$html = str_replace('<select','<select onchange="this.form.submit()" ',$sbox);
if ($no_script)
{
$html .= '<noscript>'.$this->submit_button('send','>').'</noscript>';
}
return $html;
}
function progressbar( $percent,$title='',$options='',$width='',$color='',$height='' )
{
$percent = (int) $percent;
if (!$width) $width = '30px';
if (!$height)$height= '5px';
if (!$color) $color = '#D00000';
$title = $title ? $this->htmlspecialchars($title) : $percent.'%';
if ($this->netscape4)
{
return $title;
}
return '<div title="'.$title.'" '.$options.
' style="height: '.$height.'; width: '.$width.'; border: 1px solid black; padding: 1px;'.
(stristr($options,'onclick="') ? ' cursor: pointer; cursor: hand;' : '').'">'."\n\t".
'<div style="height: '.$height.'; width: '.$percent.'%; background: '.$color.';"></div>'."\n</div>\n";
}
function image( $app,$name,$title='',$options='' )
{
$name = str_replace(array('.gif','.GIF','.png','.PNG'),'',$name);
if (!($path = $GLOBALS['phpgw']->common->image($app,$name)))
{
$path = $name; // name may already contain absolut path
}
if(!$GLOBALS['phpgw_info']['server']['webserver_url'])
{
$base_path = "./";
}
if (!@is_readable($base_path . str_replace($GLOBALS['phpgw_info']['server']['webserver_url'],PHPGW_SERVER_ROOT,$path)))
{
// if the image-name is a percentage, use a progressbar
if (substr($name,-1) == '%' && is_numeric($percent = substr($name,0,-1)))
{
return $this->progressbar($percent,$title);
}
return $title;
}
if ($title)
{
$options .= " $this->prefered_img_title=\"".$this->htmlspecialchars($title).'"';
}
return "<img src=\"$path\" $options />";
}
function a_href( $content,$url,$vars='',$options='')
{
if (!strstr($url,'/') && count(explode('.',$url)) == 3)
{
$url = "/index.php?menuaction=$url";
}
if (is_array($url))
{
$vars = $url;
$url = '/index.php';
}
//echo "<p>html::a_href('".htmlspecialchars($content)."','$url',".print_r($vars,True).") = ".$this->link($url,$vars)."</p>";
return '<a href="'.$this->link($url,$vars).'" '.$options.'>'.$content.'</a>';
}
function bold($content)
{
return '<b>'.$content.'</b>';
}
function italic($content)
{
return '<i>'.$content.'</i>';
}
function hr($width=0,$options='')
{
if ($width) $options .= " width=\"$width\"";
return "<hr $options />\n";
}
/**
* formats option-string for most of the above functions
*
* Example: formatOptions('100%,,1','width,height,border') = ' width="100%" border="1"'
* @param $options mixed String (or Array) with option-values eg. '100%,,1'
* @param $names mixed String (or Array) with the option-names eg. 'WIDTH,HEIGHT,BORDER'
* @result string with options/attributes
*/
function formatOptions($options,$names)
{
if (!is_array($options)) $options = explode(',',$options);
if (!is_array($names)) $names = explode(',',$names);
foreach($options as $n => $val)
{
if ($val != '' && $names[$n] != '')
{
$html .= ' '.strtolower($names[$n]).'="'.$val.'"';
}
}
return $html;
}
/**
* returns simple stylesheet (incl. <STYLE> tags) for nextmatch row-colors
* @result the classes 'th' = nextmatch header, 'row_on'+'row_off' = alternating rows
*/
function themeStyles()
{
return $this->style($this->theme2css());
}
/**
* returns simple stylesheet for nextmatch row-colors
* @result the classes 'th' = nextmatch header, 'row_on'+'row_off' = alternating rows
*/
function theme2css()
{
return ".th { background: ".$GLOBALS['phpgw_info']['theme']['th_bg']."; }\n".
".row_on,.th_bright { background: ".$GLOBALS['phpgw_info']['theme']['row_on']."; }\n".
".row_off { background: ".$GLOBALS['phpgw_info']['theme']['row_off']."; }\n";
}
function style($styles)
{
return $styles ? "<style type=\"text/css\">\n<!--\n$styles\n-->\n</style>" : '';
}
function label($content,$id='',$accesskey='',$options='')
{
if ($id != '')
{
$id = " for=\"$id\"";
}
if ($accesskey != '')
{
$accesskey = " accesskey=\"$accesskey\"";
}
return "<label$id$accesskey $options>$content</label>";
}
}