tag 1c

function InsertCodeTags()
{

 obj = document.getElementById('message_text');
 obj.focus();

 if (document.selection)
 {
   var s = document.selection.createRange();
   if (s.text)
   {
     s.text = '[1С]' + s.text + '[/1С]';
    s.select();
   }
   else
   {
   s.text = '[1С][/1С]';
   }
   return false;
 }
 else

 if (typeof(obj.selectionStart)=="number")
 {
   var start = obj.selectionStart;
   var end = obj.selectionEnd;

   if (start!=end)
   {

     obj.value = obj.value.substr(0, start) + "[1С]" + obj.value.substr(start, end - start) + "[/1С]" + obj.value.substr(end);
   }
   else if (start || start == '0')
   {
    obj.value = obj.value.substring(0, start) + '[1С][/1С]' + obj.value.substring(end, obj.value.length);
   }
   return false;
 }
 return false;
}

//$('<button class="sendbutton">1C</button>').click(function(){InsertCodeTags();return false;}).insertAfter(document.getElementById('topic_text') ? '#topic_text' : '#user_name');
$('<button class="sendbutton">[1C]</button>').click(function(){InsertCodeTags();return false;}).insertBefore(document.getElementById('submit_message') ? '#submit_message' : '#Submit');