框架中输入电话号码后按确定跳到一个网页。该怎么解决

框架中输入电话号码后按确定跳到一个网页。怎样写HTML？比如（这里填入手机号码）点击确认会出现在下面这个链

框架中输入电话号码后按确定跳到一个网页。
怎样写HTML？
比如（这里填入手机号码）点击确认
会出现在下面这个链接里。http://www.xxxx.com/sds/sdfsd?fsd手机号码sdfr.eft.com

[解决办法]

HTML code

<html><body><input id="phone_num" /><input type="button" id="btn_submit" value="提交"/><div id="result"></div><script>    var $ = function(id){return document.getElementById(id);}    $('btn_submit').onclick = function(){        var src = "http://www.xxxx.com/sds/sdfsd?fsdsdfr.eft.com";        $('result').innerHTML = src.replace(/sdsd/, "sd"+$('phone_num').value+"sd");    }</script></body></html>
[解决办法]
HTML code<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>无标题文档</title></head><body><script>    function test(){        var tel = document.form.phone.value;        alert("phone-->>"+tel);        var url = "http://www.xxxx.com/sds/sdfsd?fsd"+tel+"sdfr.eft.com";        alert("url-->>"+url);    }</script><form name="form" action="" method="post">    <input type="text" name="phone" />    <input type="button" name="submit" value="submit" onclick="test()" /></form></body></html>