function OnSmileClick(code)
    {
        var target_object='comment';
        obj=document.getElementById(target_object);
        if ((document.selection)) // опера, ИЕ
        {
            obj.focus();
            obj.document.selection.createRange().text = code;
        }
        else if (obj.selectionEnd)// мозилла/firefox
        {
            var start_s = obj.selectionStart;
            var end_s = obj.selectionEnd;
            var start_text  = (obj.value).substring(0, start_s);
            var end_text    = (obj.value).substring(end_s, obj.textLength);
            obj.value = start_text + code  + end_text;
        }
        else  obj.value += code;
    }