'Redirection of URL

I have a VM file with the following codes:

UPDATED:

<html>
<head>
    <title>Input Form</title>
    <style>
        #FW{
            display: none;
        }
    </style>
    <script type="text/javascript">
    
    function showSelect()
    {
        var post = document.getElementById('post');
        var fwork = document.getElementById('FW');
        
        fwork.style.display = post.selectedIndex == 1 ? 'block' : 'none';
        
    }
    
    function getMeThere(){
            var post = document.getElementById('post');
            var fwork = document.getElementById('frwork');
            if( post.value.toString() == "dpost"){
                document.forms["adform"].action="https://google.com" ;                  
                document.forms["adform"].method="post" ; 
            } 
            else{
                if(fwork.value.toString() == "wap"){
                    document.forms["adform"].action="https://mail.yahoo.com" ;
                    document.forms["adform"].method="post" ; 
                }
                else {
                    document.forms["adform"].action="bbc.co.uk" ;
                    document.forms["adform"].method="post" ; 
                }
            }
            document.forms["adform"].submit() ; 
        }
    </script>
</head>

<body>
    <form name="forum" id="adform" >
        <label>Payment Amount:</label>
        <input type = "text" name="paymentAmount" value=""/>
        <label> Reference:</label>
        <input type = "text" name="Reference" value=""/><br />
        <label>Choose post</label><br/>
        <select name="postCode" onchange="showSelect()" id = "post">
          <option value="dpost">Desktop post</option>
          <option value="mpost">Mobile post</option>
        </select><br/>
        <div id = "FW">
            <label>Choose Your Toolkit</label><br/>
            <select name="frwork" id = "frwork">
                <option id=""></option>
                <option id="jqm">jQuery Mobile</option>
                <option id = "wap">Webapp-Net</option>
                <option id = "tst">a Test</option>
            </select>
        </div>
        <input type="submit" onclick="getMeThere()"/>           
    </form>
</body>

The redirection doesn't work at all, and I can't seem to find the problem. please notice that the URLs are fake, because I could post the real URL due to security issues.



Sources

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Source: Stack Overflow

Solution Source