A gadget for quickly adding tags, but it cannot be used in FF. I hope experts can give me some guidance_Form special effects

The preliminary judgment is that obj.style.backgroundColor returns rgb(xxx,xxx,xxx) under FF. I'm a novice and my code is very bad. Don't laugh at the experts

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Untitled Document</title> <style type="text/css"> a.blue:link,a.blue:visited{ font-size: 12px; color: #69c; text-decoration: none; } a.blue:hover{ background: #69c; color: #fff; } </style> <input type="text" id="cc" style=" width: 300px;"> <a href="javascript:void(0);" class="blue" onclick="fInsert('cc',this);"> </a>Keyword<a href="javascript:void(0);" class="blue" onclick="fInsert('cc',this);"> </a>Keyword 2<a href="javascript:void(0);" class="blue" onclick="fInsert('cc',this);"> </a>Keyword 3
[Ctrl A select all Note: If you need to introduce external Js, you need to refresh to execute

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