How Do I Send A Drop Down Value To Mysql Database Through Php Using Javascript?

<select name="mySelect" id="mySelect" onchange="getSelectedValue();">   
    <option value="1">Text 1</option>   
    <option value="2">Text 2</option>   
</select>   
  
<script type="text/javascript">   
function getSelectedValue() {   
    var index = document.getElementById('mySelect').selectedIndex;   
    alert("value="+document.getElementById('mySelect').value);   
    alert("text="+document.getElementById('mySelect').options[index].text);   
}   
</script> 

$interest = $_GET["i"];
      $webaddr = $_GET["w"];
      $discovery = $_GET["d"];
      $budget = $_GET["b"];
      $requirements = $_GET["r"];
      $funame = $_GET["f"];
      $lname = $_GET["l"];
      $quotemail = $_GET["q"];
      $cname = $_GET["c"];
      $tel = $_GET["t"];

      $email = '/^[A-Za-z0-9._%-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}$/';

            $error_message = "Invalid Email Address.";

             if(!preg_match($email,$quotemail)) {

  echo"<div style='color:red;font-family:Calibri;margin:0px 0px 0px 0px;'>'$error_message'</div>";


}
          else
          { mysql_connect('localhost', 'root', 'n3v1g90');
          mysql_select_db('webmakaz');
          mysql_query("INSERT INTO QuoteRequest (interest, webaddr, discovery, requirements, fname, lname, email, cname, tel) VALUES ('$interest', '$webaddr', '$discovery', '$budget', '$requirements', '$funame', '$lname', '$quotemail', '$cname', '$tel')");
          echo"<div style='color:#444;font-family:Calibri;margin:22px 0px 0px 0px;'><span>Quote received, We would get back to you shortly!</span>"; }
          ?>