View file engine/includes/JsToolBar.php

<script language="JavaScript" type="text/javascript">
    function tag(text1, text2)
    {
    	if ((document.selection))
        {
    		document.form.msg.focus();
    		document.form.document.selection.createRange().text = text1+document.form.document.selection.createRange().text+text2;
        }
        else if (document.forms['<?=$js_form?>'].elements['<?=$js_elem?>'].selectionStart!=undefined)
        {
    		var element = document.forms['<?=$js_form?>'].elements['<?=$js_elem?>'];
    		var str = element.value;
    		var start = element.selectionStart;
    		var length = element.selectionEnd - element.selectionStart;
    		element.value = str.substr(0, start) + text1 + str.substr(start, length) + text2 + str.substr(start + length);
    	} else document.form.msg.value += text1+text2;
    }
</script>
<a href="#form" onclick="javascript:tag('[url=]', '[/url]');"><img src="/style/icons/bb/link.gif" alt="url" title="Ссылка" /></a>
<a href="#form" onclick="javascript:tag('[b]', '[/b]');"><img src="/style/icons/bb/b.gif" alt="b" title="Жирный"/></a>
<a href="#form" onclick="javascript:tag('[i]', '[/i]');"><img src="/style/icons/bb/i.gif" alt="i" title="Наклонный"/></a>
<a href="#form" onclick="javascript:tag('[u]', '[/u]');"><img src="/style/icons/bb/u.gif" alt="u" title="Подчёркнутый"/></a>
<a href="#form" onclick="javascript:tag('[del]', '[/del]');"><img src="/style/icons/bb/s.gif" alt="del" title="Перечёркнутый"/></a>
<a href="#form" onclick="javascript:tag('[quote]', '[/quote]');"><img src="/style/icons/bb/quote.gif" alt="quote" title="Цитата"/></a>
<a href="#form" onclick="javascript:tag('[php]', '[/php]');"><img src="/style/icons/bb/code.gif" alt="code" title="Код"/></a>
<a href="#form" onclick="javascript:tag('[youtube]', '[/youtube]');"><img src="/style/icons/bb/youtube.png" alt="youtube" title="youtube"/></a>
<a href="#form" onclick="javascript:tag('[vk]', '[/vk]');"><img src="/style/icons/bb/vk.png" alt="vk" title="vk"/></a>
<a href="#form" onclick="javascript:tag('[color=red]', '[/color]');"><img src="/style/icons/bb/red.gif" alt="code" title="Красный"/></a>
<a href="#form" onclick="javascript:tag('[color=green]', '[/color]');"><img src="/style/icons/bb/green.gif" alt="code" title="Зелёный"/></a>
<a href="#form" onclick="javascript:tag('[color=blue]', '[/color]');"><img src="/style/icons/bb/blue.gif" alt="code" title="Синий"/></a><br />