JavaScript - Javascript Subscription Form Advice

<form id="f1" name="form1" onsubmit="validate_form(this); return false;" action="register" method="post">
        <table cellspacing="5" style="border: 2px solid black;">
            <tr>
                <td valign="top">
                    <table cellspacing="5">
                        <tr>
                            <td>*First name</td>
                            <td align="right"><span id="valid_one"></span></td>

                            <td><input type="text" style="width: 320px;" id="fn" name="fn" onBlur="validate_one();"></td>
                        </tr>
                        <tr>
                            <td align="left">*Last name</td>
                            <td align="right"><span id="valid_two"></span></td>

                            <td><input type="text" style="width: 320px;" id="ln" name="ln" onBlur="validate_two();"></td>
                        </tr>
                        <tr>
                            <td align="left">*Email address</td>
                            <td align="right"><span id="result"></span></td>

                            <td><input type="text" style="width: 320px;" id="mailfield" name="email" onBlur="startRequest();"></td>
                        </tr>
                        <tr>
                            <td align="left">*Phone number</td>
                            <td align="right"><span id="valid_three"></span></td>

                            <td><input type="text" style="width: 320px;" id="pn" name="pn" onBlur="validate_three();"></td>
                        </tr>
                        <tr>
                            <td align="left">*City/Town</td>
                            <td align="right"><span id="valid_four"></span></td>

                            <td><input type="text" style="width: 320px;" id="c" name="c" onBlur="validate_four();"></td>
                        </tr>
                        <tr>
                            <td></td>
                            <td></td>
                            <td>
                                <select name="s">
                                    <option value="AL">Alabama
                                    <option value="AK">Alaska
                                    <option value="AZ">Arizona
                                    <option value="AR">Arkansas
                                    <option value="CA">California
                                    <option value="CO">Colorado
                                    <option value="CT">Connecticut
                                    <option value="DE">Delaware
                                    <option value="FL">Florida
                                    <option value="GA">Georgia
                                    <option value="HI">Hawaii
                                    <option value="ID">Idaho
                                    <option value="IL">Illinois
                                    <option value="IN">Indiana
                                    <option value="IA">Iowa
                                    <option value="KS">Kansas
                                    <option value="KY">Kentucky
                                    <option value="LA">Louisiana
                                    <option value="ME">Maine
                                    <option value="MD">Maryland
                                    <option value="MA">Massachusetts
                                    <option value="MI">Michigan
                                    <option value="MN">Minnesota
                                    <option value="MS">Mississippi
                                    <option value="MO">Missouri
                                    <option value="MT">Montana
                                    <option value="NE">Nebraska
                                    <option value="NV">Nevada
                                    <option value="NH">New Hampshire
                                    <option value="NJ">New Jersey
                                    <option value="NM">New Mexico
                                    <option value="NY">New York
                                    <option value="MC">North Carolina
                                    <option value="ND">North Dakota
                                    <option value="OH">Ohio
                                    <option value="OK">Oklahoma
                                    <option value="OR">Oregon
                                    <option value="PA">Pennsylvania
                                    <option value="RI">Rhode Island
                                    <option value="SC">South Carolina
                                    <option value="SD">South Dakota
                                    <option value="TN">Tennessee
                                    <option value="TX">Texas
                                    <option value="UT">Utah
                                    <option value="VT">Vermont
                                    <option value="VA">Virginia
                                    <option value="WA">Washington
                                    <option value="WV">West Virginia
                                    <option value="WI">Wisconsin
                                    <option value="WY">Wyoming
                                </select>
                            </td>
                        </tr>
                        <tr>
                            <td>
                                <br>
                            </td>
                        </tr>
                        <tr>
                            <td></td>
                            <td></td>
                            <td><span id="error"></span></td>
                        </tr>
                        <tr>
                            <td valign="top">*Anti-Spam Verification</td>
                            <td></td>
                            <td id="reCaptcha"></td>
                        </tr>
                    </table>
                </td>
                <td valign="top">
                    <table cellspacing="5">
                        <tr>
                            <td align="left">*Affiliation</td>
                            <td align="right"><span id="valid_five"></span></td>

                            <td><input type="text" style="width: 320px;" id="affl" name="affl" onBlur="validate_five();"></td>
                        </tr>
                        <tr>
                            <td align="left">*Research Area:</td>
                            <td align="right"><span id="valid_six"></span></td>

                            <td><input type="text" style="width: 320px;" id="ra" name="ra" onBlur="validate_six();"></td>
                        </tr>
                        <tr>
                            <td valign="top" align="left">*Research Overview</td>
                            <td align="right"><span id="valid_seven"></span></td>

                            <td><textarea cols="38" rows="6" id="ro" name="ro" onKeyDown="limitText(this.form.ro,this.form.countdown,500)" onKeyUp="limitText(this.form.ro,this.form.countdown,500)" onBlur="validate_seven();"></textarea></td>
                        </tr>
                        <tr>
                            <td></td>
                            <td></td>
                            <td><font size="1">You have <input readonly type="text" name="countdown" size="1" value="500"> characters remaining.</font></td>
                        </tr>
                        <tr>
                            <td align="left">*Talk Availability</td>
                            <td></td>
                            <td>
                                <input type="radio" name="ta" value="In person">In person
                                <input type="radio" name="ta" value="Online">Online
                                <input type="radio" name="ta" value="Both" checked>Both
                            </td>
                        </tr>
                        <tr>
                            <td align="left" valign="top">Links</td>
                            <td></td>
                            <td>
                                <table id="linkTable" border="0">
                                    <td><input type="text" style="width: 320px;" name="link"></td>
                                    <td><div id="result"></div></td>
                                </table>
                            </td>
                            <td align="left" valign="top"><input type="button" value="Add Link" onclick="addLink('linkTable')"></td>
                        </tr>
                        <tr>
                            <td></td>
                            <td><span style="color: red;"></span></td>
                        </tr>
                    </table>
                </td>
            </tr>
        </table>
        <br />
        <input type="submit" id="submit" name="submit" value="Submit Form">
    </form>

/* 
 * script.js - ajax and table functions
 */

var xmlHttp; // global instance of XMLHttpRequest
var xmlHttp2; // second for captcha functions

var validAjax = new Boolean();
var validCaptcha = new Boolean();

var valid_one = new Boolean();
var valid_two = new Boolean();
var valid_three = new Boolean();
var valid_four = new Boolean();
var valid_five = new Boolean();
var valid_six = new Boolean();
var valid_seven = new Boolean();

function init() {
    showRecaptcha('reCaptcha');

    // Separate booleans for AJAX funcs
    validAjax = false;
    validCaptcha = false;

    // Booleanse for fields that don't require servlet validation
    valid_one = false;
    valid_two = false;
    valid_three = false;
    valid_four = false;
    valid_five = false;
    valid_six = false;
    valid_seven = false;
}

function showRecaptcha(element) {
    Recaptcha.create("6Le1a8ESAAAAAGtxX0miZ2bMg0Wymltnth7IG-Mj", element, {theme: "red", callback: Recaptcha.focus_response_field});
}

function validate_form() {
    if (valid_one && valid_two && valid_three && valid_four && validEmail) {
        startCaptchaRequest();

        if (validCaptcha) {
            return true;
        }
    }
    else {
        alert("Submission contains errors. Please fill out all required fields before submitting.");
        return false;
    }
}

function validate_one() {
    if (document.getElementById("fn").value == 0) {
        valid_one = false;
        document.getElementById("valid_one").innerHTML = "No";
    }
    else {
        valid_one = true;
        document.getElementById("valid_one").innerHTML = "";
    }
}

function validate_two() {
    if (document.getElementById("ln").value == 0) {
        valid_two = false;
        document.getElementById("valid_two").innerHTML = "No";
    }
    else {
        valid_two = true;
        document.getElementById("valid_two").innerHTML = "";
    }
}

function validate_three() {
    if (document.getElementById("pn").value == 0) {
        valid_three = false;
        document.getElementById("valid_three").innerHTML = "No";
    }
    else {
        valid_three = true;
        document.getElementById("valid_three").innerHTML = "";
    }
}

function validate_four() {
    if (document.getElementById("c").value == 0) {
        valid_four = false;
        document.getElementById("valid_four").innerHTML = "No";
    }
    else {
        valid_four = true;
        document.getElementById("valid_four").innerHTML = "";
    }
}

function validate_five() {
    if (document.getElementById("affl").value == 0) {
        valid_five = false;
        document.getElementById("valid_five").innerHTML = "No";
    }
    else {
        valid_five = true;
        document.getElementById("valid_five").innerHTML = "";
    }
}
//
//function validate_six() {
//    if (document.getElementById("ra").value == 0) {
//        valid_six = false;
//        document.getElementById("valid_six").innerHTML = "No";
//    }
//    else {
//        valid_six = true;
//        document.getElementById("valid_six").innerHTML = "";
//    }
//}
//
//function validate_seven() {
//    if (document.getElementById("ro").value == 0) {
//        valid_seven = false;
//        document.getElementById("valid_seven").innerHTML = "No";
//    }
//    else {
//        valid_seven = true;
//        document.getElementById("valid_seven").innerHTML = "";
//    }
//}

function addLink(tableID) {
    var table = document.getElementById(tableID);

    var rowCount = table.rows.length;
    var row = table.insertRow(rowCount);

    var cell = row.insertCell(0);
    var element1 = document.createElement("input");

    element1.type = "text";
    element1.name = "link" + rowCount;
    element1.style.width = "320px";

    cell.appendChild(element1);
}

function limitText(limitField, limitCount, limitNum) {
    if (limitField.value.length > limitNum) {
        limitField.value = limitField.value.substring(0, limitNum);
    }
    else {
        limitCount.value = limitNum - limitField.value.length;
    }
}

function createXmlHttpRequest() {
    if(window.ActiveXObject) {
        xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
    else if(window.XMLHttpRequest) {
        xmlHttp=new XMLHttpRequest();
    }
}

function startRequest() {
    createXmlHttpRequest();
    
    var param1 = document.getElementById('mailfield').value;

    if (param1 == "") {
        validEmail = false;
        document.getElementById("result").innerHTML = "Blank";
    }
    else {
        xmlHttp.open("GET", "http://localhost:1979/PolarSpeakers/servlet/mailCheck.do?e=" + param1, true)
        xmlHttp.onreadystatechange = handleStateChange;
        xmlHttp.send(null);
    }
}

function handleStateChange() {
    if(xmlHttp.readyState==4) {
        if(xmlHttp.status==200) {
            var message =
                xmlHttp.responseXML
                .getElementsByTagName("valid")[0]
                .childNodes[0].nodeValue;
            
            if (message == "Unregistered") {
                validEmail = true;
                document.getElementById("result").style.color = "green";
            }
            else {
                validEmail = false;
                document.getElementById("result").style.color = "red";
            }

            document.getElementById("result").innerHTML = message;
        }
        else {
            alert("Error checking e-mail address - " + xmlHttp.status +
                " : " + xmlHttp.statusText);
        }
    }
}
function createCaptchaRequest() {
    if(window.ActiveXObject) {
        xmlHttp2=new ActiveXObject("Microsoft.XMLHTTP");
    }
    else if(window.XMLHttpRequest) {
        xmlHttp2=new XMLHttpRequest();
    }
}

function startCaptchaRequest() {
    alert('made it to captcha requeswt');
    createCaptchaRequest();

    var param1 = Recaptcha.get_challenge();
    var param2 = Recaptcha.get_response();

    xmlHttp2.open("POST", "http://localhost:1979/PolarSpeakers/servlet/captchaCheck.do?c=" + param1 + "&r=" + param2, true)
    xmlHttp2.onreadystatechange = handleStateChangeCaptcha;
    xmlHttp2.send(null);
}

function handleStateChangeCaptcha() {
    if(xmlHttp2.readyState==4) {
        if(xmlHttp2.status==200) {
            var message =
                xmlHttp2.responseXML
                .getElementsByTagName("result")[0]
                .childNodes[0].nodeValue;

            if (message == "Valid") {
                alert("captcha valid");
                validCaptcha = true;
            }
            else {
                document.getElementById("error").innerHTML = message;
                validCaptcha = false;
            }
        }
        else {
            alert("Error checking captcha validity - " + xmlHttp2.status +
                " : " + xmlHttp2.statusText);
        }
    }
}

    <html>
    <head>
    <script type="text/javascript" src="email_helper/jscripts/tiny_mce/tiny_mce.js"></script>
    <script type="text/javascript">
        tinyMCE.init({
            // General options
            mode : "textareas",
            theme : "simple"
        });
    </script>
    <script language="javascript">
     
    function MM_openBrWindow(theURL,winName,features) {
        window.open(theURL,winName,features);
    }
    function err_check(){
        var email = document.getElementById('to_email').value;
        if(email.length==0){
            alert('Please Enter Email Address');
            return false;
        }
        var AtPos = email.indexOf("@")
        var StopPos = email.lastIndexOf(".")
        if (AtPos == -1 || StopPos == -1) {
            alert("Please Enter Valid Email Address");
            document.getElementById('email').focus();
            return false;
        }
        email = document.getElementById('cc_email').value;
        if(email.length != 0){
            var AtPos = email.indexOf("@")
            var StopPos = email.lastIndexOf(".")
            if (AtPos == -1 || StopPos == -1) {
                alert("Please Enter Valid Email Address");
                document.getElementById('email').focus();
                return false;
            }
        }
        var answer = confirm ("Send E-Mail?");
        if (!answer){
            return false;
        }
    }
    </script>
    <!-- /TinyMCE -->
     
     
    <style type="text/css">
    body, table, td, th{
        background-color:#CCCCCC;
        font-family: Arial;
        font-size:14px;
    }
    .que{
        font-weight:bold;
    }
    </style>
    </head>
    <body>
    <form method="post" enctype="multipart/form-data">
    <?php
    include 'library/database.php';
    include 'library/opendb.php';
    $query = mysql_query("SELECT email,contact,mobile FROM users WHERE user_id='$uid'") or die(mysql_error());
    $row = mysql_fetch_row($query);
    $from_email = $row[0];
    $from_person = $row[1];
    $from_mobile = $row[2];
    $query = mysql_query("SELECT customer_id FROM campaign_summary WHERE camp_id='$camp_id'") or die(mysql_error());
    $row = mysql_fetch_row($query);
    $cusid = $row[0];
    $query = mysql_query("SELECT email FROM client_info WHERE comp_id='$cusid'") or die(mysql_error());
    $row = mysql_fetch_row($query);
    $toer = $row[0];
    include 'library/closedb.php';
    ?>
    <table width="100%" border="0">
    <tr><td rowspan="4"><input type="submit" name="send_email" id="send_email" style="height:50px; width:100px;" value="SEND" onClick="return err_check();" /></td><td><span class="que">From : </span></td><td colspan="3"><?php echo $from_email; ?><input type="hidden" name="from_mail" id="from_mail" /><input type="hidden" name="camp_id" id="camp_id" value="<?php echo $camp_id;?>"/></td></tr>
    <tr><td><span class="que">To : </span></td><td colspan="3"><input name="to_email" id="to_email" style="width:250px;" value="<?php echo $toer;?>"/></td></tr>
    <tr><td><span class="que">CC : </span></td><td colspan="3"><input name="cc_email" id="cc_email" style="width:250px;"/></td></tr>
    <tr><td><span class="que">Subject : </span></td><td colspan="3"><input style="width:300px;" name="subject" id="subject" /></td></tr>
    <tr><td rowspan="1" colspan="2">&nbsp;</td><td><input type="checkbox" name="ori_pdf" id="ori_pdf" checked /> PDF Quotation</td><td>&nbsp;</td><td>&nbsp;</td></tr><tr><td colspan="2"><span class="que">Credit Application</span></td><td><input type="checkbox" name="corporate" id="corporate"/>Corporate</td><td><input type="checkbox" name="individual" id="individual" />Individual</td><td><input type="checkbox" name="cash" id="cash" />Cash Account</td>
    </tr>
    <tr>
    <td colspan="2" rowspan="3"></td><td><input type="checkbox" name="tabloid" id="tabloid" />Tabloid Example</td>
    <td><input type="checkbox" name="broadsheet" id="broadsheet" />Broadsheet Example</td></tr>
    <tr><td><input type="checkbox" name="colmt" id="colmt" />Column Sizes Tabloid</td>
     
    <td><input type="checkbox" name="colmb" id="colmb" />Column Sizes Broadsheet</td></tr>
    <tr><td><input type="checkbox" name="maps" id="maps" />Maps / Distribution</td><td colspan="2" align="right">External Attachments&nbsp;&nbsp;<input id="upload_file" name="upload_file" type="file"/> </td></tr>
     
    <tr><td colspan="2"><span class="que">Message :</span></td><td colspan="3">
        <textarea id="elm1" name="elm1" rows="15" cols="80" style="width: 100%">
        <?php
         echo "<br><br><br>" . $from_person . "<br>" . $from_mobile; 
          ?>
        </textarea>
    </td></tr>
    </table>
    </form>
    </body>
    </html>

javascript:if((top.detail.findObj('X31').value="Inquiry")!="");

<label for="X31">Category:</label>

<body onLoad="startit()" onUnload="stopit()"> 
                </body> 
  <div align="center" valign="center" id="LoadMessageID" style="position: relative; top:40%; color:#0069A5; font-size:100% ;"> 
  <img src="/arsys/shared/images/Progress_NonModal-circle.gif" alt="wait image"/> 
  Loading...
  </div> 
</html>

<form name="form1" action="/arsys/forms/bmcitsm/HPD:Incident+Management+Console/Default+User+View+(Support)/?cacheid=a22a36a8" method="post">

<input id="arid301602600" type="text" class="text " style="top:0; left:0; width:225; height:21;" readonly="">