该代码不仅可以随意的弹出页面，而且还可以对页面进行自定义。
个别浏览器的个别设置不好用，本人测试在IE9下设定在当前页面弹出选项卡后，无法弹出单独的窗口，而是在选项卡中打开。但弹出效果都是有的。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="zh-CN">
<head>
<title>弹出页面</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="description" content="" />
<meta name="keywords" content="" />
<script type="text/javascript">
<!-- hide
function customize(form) {
var address = document.form1.url.value;
var op_tool = (document.form1.tool.checked== true) ? 1 : 0;
var op_loc_box = (document.form1.loc_box.checked == true) ? 1 : 0;
var op_dir = (document.form1.dir.checked == true) ? 1 : 0;
var op_stat = (document.form1.stat.checked == true) ? 1 : 0;
var op_menu = (document.form1.menu.checked == true) ? 1 : 0;
var op_scroll = (document.form1.scroll.checked == true) ? 1 : 0;
var op_resize = (document.form1.resize.checked == true) ? 1 : 0;
var op_wid = document.form1.wid.value;
var op_heigh = document.form1.heigh.value;
var option = "toolbar="+ op_tool +",location="+ op_loc_box +",directories=" + op_dir +",status="+ op_stat +",menubar="+ op_menu +",scrollbars="+ op_scroll +",resizeable="+ op_resize+",width="+ op_wid +",height="+ op_heigh;
var win3 = window.open("", "what_I_want", option);
var win4 = window.open(address, "what_I_want");
}
function clear(form){
document.form1.wid.value="";
document.form1.heigh.value="";
}
// done hiding -->
</script>
<style type="text/css">
</style>
</head>
<body>
<form name="form1" action="javascript:" method="POST">
<div align="left">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr align="center">
<td colspan="4" height="35"> URL：<input type="text" size="40" name="url" value="http://"></td>
</tr>
<tr align="center">
<td width="25%" height="25"><input type="checkbox" name="tool" value="ON">: 快捷键</td>
<td width="25%" height="25"><input type="checkbox" name="loc_box" value="ON">: 地址栏 </td>
<td width="25%" height="25"><input type="checkbox" name="dir" value="ON">: 链 接 </td>
<td width="25%" height="25"><input type="checkbox" name="stat" value="ON">: 状态栏</td>
</tr>
<tr align="center">
<td width="25%" height="25"><input type="checkbox" name="resize" value="ON">: 调大小 </td>
<td width="25%" height="25"><input type="checkbox" name="scroll" value="ON">: 滚动条</td>
<td width="25%" height="25"><input type="checkbox" name="menu" value="ON">: 菜 单 </td>
<td width="25%" height="25"> </td>
</tr>
<tr align="center">
<td colspan="2" height="35"><input type="text" name="wid" size="14">: 宽</td>
<td colspan="2" height="25"><input type="text" name="heigh" size="14">: 高</td>
</tr>
<tr align="center">
<td colspan="4" height="25">
<input type="button" size="10" value="确认" onClick="customize(this.form)" name="button">
<input type="reset" size="10" value="重填" onClick="clear(this.form)" name="reset">
</td>
</tr>
</table>
</div>
</form>
</body>
</html>