javascript! 修改在新窗口打开

请问!各位以下的码怎样修改，上传档桉，直到 100% 成功后，修改为在新窗口打开，取得分享的连接的。<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
        "http://www.w3.org/TR/html4/loose.dtd">
<HTML>
<HEAD>
<Title>Enterupload - Easy way to share your files</Title>
<link rel="stylesheet" type="text/css" href="http://www.enterupload.com/main.css">
<link rel="stylesheet" type="text/css" href="http://www.enterupload.com/style.css">
<script language="JavaScript" type="text/javascript" src="http://www.enterupload.com/xupload.js"></script>
<META http-equiv=Content-Type content="text-html; charset=UTF-8">
<META NAME="description" CONTENT="Free file upload service. Upload and Share for free all your images, videos, audio and flash files on the same place. Online storage capacity, sophisticated uploading and downloading tools. ">
<META NAME="keywords"    CONTENT="upload file, free upload, share files, upload picture, download">
<meta name="verify-v1" content="+3yuhOev1Sh5BUg9GKSvEdKf5OrNgcuu8vWWc+cCBHY=" />
<base target="_blank" /></HEAD>
<BODY>
                                <center>
<Script type="text/javascript">
var ext_allowed='';
var ext_not_allowed='php|cgi';
var max_upload_files='5';
var max_upload_size='';
var descr_mode='1';
var utype='anon';
var public_on='';
var lang_description='Description:';
var lang_published='Public';
//var srv_tmp_url='http://serv17.enterupload.com/tmp';
</Script><Center><div id="upload_div"><div id="utmodes">
<input type="radio" name="ut" value="file" onClick="changeUploadType('file')" id="r_file" checked><label for="r_file">File upload</label>
</div><div id="div_file" class="upload_block">
<form name="file" enctype="multipart/form-data" action="http://serv17.enterupload.com/cgi-bin/upload.cgi?upload_id=" method="post" onSubmit="return StartUpload(this);" target="_blank">
<input type="hidden" name="upload_type" value="file">
<input type="hidden" name="sess_id" value="">
<input type="hidden" name="srv_tmp_url" value="http://serv17.enterupload.com/tmp">
<table cellpadding=0 cellspacing=0 id="div_uf1" class="div1" style="position:static;"><tr><td valign=top>
<b>Up to 250 Mb, 5 files max</b><br>
<div id="upload_input"><input id="my_file_element" type="file" name="file_1" size=79></div>
<div id="files_list"></div><a href="#" style="line-height:20px;" onClick="$$('optidiv2').style.position='static';this.style.display='none';return false;">Show Advanced Options</a>
<div id="optidiv2">
Recipient's Email: <input type="text" name="link_rcpt" class="myForm" size=24 maxlength=42> &nbsp; 
Link Password: <input type="text" name="link_pass" class="myForm" size=8>
</div>
<br>
<center>
<label for="tos">I have read and agree to the</label> <a href="http://www.enterupload.com/tos.html">TOS</a> <input type="checkbox" name="tos" value="1" id="tos" checked onClick="if(this.checked){this.form.submit_btn.disabled=false}else{this.form.submit_btn.disabled=true};this.blur();">
<div class="upload_but"><input type="submit" name="submit_btn" value="Upload" target="_blank" /></div>
</center>
</td></tr></table>
</form>
</div>
</Center><iframe src="javascript:false;" name="xupload" target="_blank" style="position:absolute;top:-9999px;left:-9999px;"></iframe>
<Script type="text/javascript">
InitUploadSelector('files_list','my_file_element','5');
document.getElementById('progress_frame').allowTransparency="true";
</Script></center>
<div id="progress_div">
<iframe src="http://www.enterupload.com/blank.html" id="progress_frame" name="transfer2" SCROLLING=NO frameborder=0 target="_blank" style="width: 395px; height: 200px;"></iframe>
</div>
</body>
</html>