Длина текста в редакторе

 
<?php
    cmsTemplate::getInstance()->insertJS('wysiwyg/markitup/sets/'.$options['set'].'/image_upload.js');
    cmsTemplate::getInstance()->insertJS('wysiwyg/markitup/jquery.markitup.js');
    cmsTemplate::getInstance()->insertJS('wysiwyg/markitup/sets/'.$options['set'].'/set.js');
    cmsTemplate::getInstance()->insertCSS('wysiwyg/markitup/sets/'.$options['set'].'/style.css');
    cmsTemplate::getInstance()->insertCSS('wysiwyg/markitup/skins/'.$options['skin'].'/style.css');
?>
 
<script language="javascript">
var str='';
function count(str)
 {
 document.getElementById('b1').innerHTML=str.length;
 document.getElementById('b2').innerHTML=str.replace(/\s/g,'').length;
 document.getElementById('b3').innerHTML=str.replace(/ /g,'').length;
 document.getElementById('b4').innerHTML=str.replace(/\n/g,'').length;
 var st = str.replace(/\n/g,' ') + ' ';
 st = st.split(/\s* \s*/).length;
 document.getElementById('b5').innerHTML=st - 1;
 return false;
 }
</script>
 
<textarea onkeyup="str=this.value;count(str);" id="<?php echo $options['id']; ?>"
          class="textarea"
          name="<?php echo $field_id;?>"
          data-upload-url="<?php echo href_to('markitup', 'upload'); ?>"><?php echo $content; ?></textarea>
 
<script type="text/javascript">
    $(document).ready(function(){
        if(!$("#<?php echo $options['id']; ?>").hasClass("markItUpEditor")) {
            $("#<?php echo $options['id']; ?>").markItUp(mySettings);
        }
    });
</script>
 
 
<div align="left">
<p><?php echo LANG_MARKITUP_1; ?> - <b id="b1">0</b></p>
<p><?php echo LANG_MARKITUP_2; ?> - <b id="b2">0</b></p>
<p><?php echo LANG_MARKITUP_3; ?> - <b id="b3">0</b></p>
<p><?php echo LANG_MARKITUP_4 ?> - <b id="b4">0</b></p>
<p><?php echo LANG_MARKITUP_5; ?> - <b id="b5">0</b></p>
</div>
 

 
       define('LANG_MARKITUP_1',        'Всего символов');
	define('LANG_MARKITUP_2',        'Без пробелов и переводов строк');
	define('LANG_MARKITUP_3',        'Без пробелов');
	define('LANG_MARKITUP_4',        'без переводов');
	define('LANG_MARKITUP_5',        'Всего слов');