Html转换UBB程序

<title>Html转换程序</title>
<script language="JavaScript1.2">
function HtmlToUBB(str) {
 str = str.replace(/\r/g,"");
 str = str.replace(/on(load|click|dbclick|mouseover|mousedown|mouseup)="[^"]+"/ig,"");
 str = str.replace(/<script[^>]*?>([\w\W]*?)<\/script>/ig,"");
 str = str.replace(/<a[^>]+href="([^"]+)"[^>]*>(.*?)<\/a>/ig,"\n[url=$1]$2[/url]\n");
 str = str.replace(/<font[^>]+color=([^ >]+)[^>]*>(.*?)<\/font>/ig,"\n[color=$1]$2[/color]\n");
 str = str.replace(/<img[^>]+src="([^"]+)"[^>]*>/ig,"\n[img]$1[/img]\n");
 str = str.replace(/<([\/]?)b>/ig,"[$1b]");
 str = str.replace(/<([\/]?)strong>/ig,"[$1b]");
 str = str.replace(/<([\/]?)u>/ig,"[$1u]");
 str = str.replace(/<([\/]?)i>/ig,"[$1i]");
 str = str.replace(/ /g," ");
 str = str.replace(/&/g,"&");
 str = str.replace(/"/g,"\"");
 str = str.replace(/</g,"<");
 str = str.replace(/>/g,">");
 str = str.replace(/<br>/ig,"\n");
 str = str.replace(/<[^>]*?>/g,"");
 str = str.replace(/\[url=([^\]]+)\]\n(\[img\]\1\[\/img\])\n\[\/url\]/g,"$2");
 str = str.replace(/\n+/g,"\n");
 return str;
}
<P>function trans(){
 var str = "";
 str = document.getElementById('edit').contentWindow.document.body.innerHTML;
 if (str.length == 0) {
  alert("无转换内容！请使用 Ctrl+V 把内容复制到下面的编辑框内");
  return
 }
 document.getElementById('ReCode').value=HtmlToUBB(str);
 document.getElementById('insert').disabled=false
}
function doHtmlinsert() {
 if (document.getElementById('ReCode').value=="") {alert("你没有进行代码转换,无法插入．");return}
 opener.AddText(document.getElementById('ReCode').value)
 window.close()
}
function clearCode(){
 document.getElementById('ReCode').value="";
}</P>
<P>function Start() {
  document.getElementById('edit').contentWindow.document.designMode = "on";
  try {
    document.getElementById('edit').contentWindow.document.execCommand("undo", false, null);
  }  catch (e) {
    alert("你的Mozilla浏览器不支持在线RichEditor");
  }
}</P>
<P>function ViewSource(Source){
  var Html;
  if (Source){
 document.getElementById('sCode').value = document.getElementById('edit').contentWindow.document.body.innerHTML;
 document.getElementById('edit').style.display="none";
 document.getElementById('sCode').style.display="";
 document.getElementById('tip').innerText="修改粘贴后的网页源代码 >>";
 document.getElementById('tranButton').disabled="disabled"
  }
  else{
 document.getElementById('edit').contentWindow.document.body.innerHTML = document.getElementById('sCode').value;
   document.getElementById('edit').style.display="";
 document.getElementById('sCode').style.display="none";
    document.getElementById('edit').contentWindow.document.designMode = "on";
  document.getElementById('tip').innerText="请使用 Ctrl+V 把内容复制到这里 >>";
 document.getElementById('tranButton').disabled=""
}
}
</script>
<style>
body{background:#688ABD;margin:2px;}
label{color:#fff;}
th{font-size:14px;font-family:verdana,宋体;font-weight:bold;color:fc6;text-align:left}
#sCode{width:400;height:150px;border:1px solid #1F2F47;margin-top:0px !important;margin-top:-1px;margin-bottom:0px !important;margin-bottom:-1px;}
#ReCode{width:400;height:150px;border:1px solid #1F2F47;font-size:12px;}
#edit{width:398;height:148px;border:1px solid #1F2F47;background:#fff;font-size:12px}
.input{
 border-top:1px solid #fff;
 border-right:1px solid #003;
 border-bottom:1px solid #003;
 border-left:1px solid #fff;
 background:#F4F7FB;
}
.tip{
 color:#ffc;
 font-weight:bold;
 font-size:12px;
 font-family:宋体;
}
</style>

<table align="center" border="0">
 <tr>
  <th style="">Html转换UBB程序</th>
 </tr>
 <tr>
  <td style="font-size:12px;">
   <label for="Source"><input id="Source" onclick="ViewSource(this.checked)" type="checkbox"/>查看源代码 </label>
         <input class="input" id="tranButton" onclick="trans()" type="button" value="转 换"/>
         <input class="input" onclick="clearCode()" type="button" value="清 除"/>
         <input class="input" disabled="" id="insert" onclick="doHtmlinsert()" type="button" value="插　入"/>
         </td>
 </tr>
 <tr>
  <td class="tip">
         <span id="tip">请使用 Ctrl+V 把内容复制到这里 >></span></td>
 </tr>
 <tr>
  <td>
         <textarea id="sCode" style="display:none">
         <iframe border="0" frameborder="0" id="edit" src="about:blank"></iframe>

转换输出代码 >>
[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]