Partial improvement
One problem I can see is that the form action is set to go to the users_Detail.php page. the action should be left blank so that the form will post to itself. you will need to redo the validation show if behaviors, and choose the users_insert page as the validation page. 
Here's what I have now. The validation messages don't go away, and nothing shows up on the Details page. However, the values are kept after inserting, and if all values are correct, we are taken to the Details page.
<?php require_once("Connections/Premiere.php"); ?>
<?php require_once("WA_DataAssist/WA_AppBuilder_PHP.php"); ?>
<?php require_once("WA_ValidationToolkit/WAVT_Scripts_PHP.php"); ?>
<?php require_once("WA_ValidationToolkit/WAVT_ValidatedForm_PHP.php"); ?>
<?php
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$WAFV_Redirect = "users_Insert.php";
$_SESSION['WAVT_usersInsert_Errors'] = "";
if ($WAFV_Redirect == "") {
$WAFV_Redirect = $_SERVER["PHP_SELF"];
}
$WAFV_Errors = "";
$WAFV_Errors .= WAValidateRQ(((isset($_POST["UserFirstName"]))?$_POST["UserFirstName"]:"") . "",false,1);
$WAFV_Errors .= WAValidateRQ(((isset($_POST["UserLastName"]))?$_POST["UserLastName"]:"") . "",false,2);
$WAFV_Errors .= WAValidateEM(((isset($_POST["UserEmail"]))?$_POST["UserEmail"]:"") . "",true,3);
$WAFV_Errors .= WAValidatePN(((isset($_POST["UserPhone"]))?$_POST["UserPhone"]:"") . "",true,false,false,4);
$WAFV_Errors .= WAValidatePN(((isset($_POST["UserPhoneM"]))?$_POST["UserPhoneM"]:"") . "",true,false,false,5);
$WAFV_Errors .= WAValidateAN(((isset($_POST["JobType"]))?$_POST["JobType"]:"") . "",true,true,true,true,"",true,6);
if ($WAFV_Errors != "") {
PostResult($WAFV_Redirect,$WAFV_Errors,"usersInsert");
}
}
?>
<?php
// WA Application Builder Insert
if (isset($_POST["Insert_x"])) // Trigger
{
$WA_connection = $Premiere;
$WA_table = "users";
$WA_sessionName = "WADA_Insert_users";
$WA_redirectURL = "/users_Detail.php";
$WA_keepQueryString = false;
$WA_indexField = "UserID";
$WA_fieldNamesStr = "UserEmail|UserPassword|UserFirstName|UserLastName|UserCity|UserState|UserZip|UserEmailVerified|UserRegistrationDate|UserVerificationCode|UserIP|UserPhone|UserPhoneM|TimeToCall|UserFax|UserCountry|JobType|JobNotes|UserAddress|UserAddress2";
$WA_fieldValuesStr = "".((isset($_POST["UserEmail"]))?$_POST["UserEmail"]:"") ."" . "|" . "".((isset($_POST["UserPassword"]))?$_POST["UserPassword"]:"") ."" . "|" . "".((isset($_POST["UserFirstName"]))?$_POST["UserFirstName"]:"") ."" . "|" . "".((isset($_POST["UserLastName"]))?$_POST["UserLastName"]:"") ."" . "|" . "".((isset($_POST["UserCity"]))?$_POST["UserCity"]:"") ."" . "|" . "".((isset($_POST["UserState"]))?$_POST["UserState"]:"") ."" . "|" . "".((isset($_POST["UserZip"]))?$_POST["UserZip"]:"") ."" . "|" . "".((isset($_POST["UserEmailVerified"]))?$_POST["UserEmailVerified"]:"") ."" . "|" . "".((isset($_POST["UserRegistrationDate"]))?$_POST["UserRegistrationDate"]:"") ."" . "|" . "".((isset($_POST["UserVerificationCode"]))?$_POST["UserVerificationCode"]:"") ."" . "|" . "".((isset($_POST["UserIP"]))?$_POST["UserIP"]:"") ."" . "|" . "".((isset($_POST["UserPhone"]))?$_POST["UserPhone"]:"") ."" . "|" . "".((isset($_POST["UserPhoneM"]))?$_POST["UserPhoneM"]:"") ."" . "|" . "".((isset($_POST["TimeToCall"]))?$_POST["TimeToCall"]:"") ."" . "|" . "".((isset($_POST["UserFax"]))?$_POST["UserFax"]:"") ."" . "|" . "".((isset($_POST["UserCountry"]))?$_POST["UserCountry"]:"") ."" . "|" . "".((isset($_POST["JobType"]))?$_POST["JobType"]:"") ."" . "|" . "".((isset($_POST["JobNotes"]))?$_POST["JobNotes"]:"") ."" . "|" . "".((isset($_POST["UserAddress"]))?$_POST["UserAddress"]:"") ."" . "|" . "".((isset($_POST["UserAddress2"]))?$_POST["UserAddress2"]:"") ."";
$WA_columnTypesStr = "',none,''|',none,''|',none,''|',none,''|',none,''|',none,''|',none,''|none,none,NULL|',none,NULL|',none,''|',none,''|',none,''|',none,''|none,none,NULL|',none,''|',none,''|none,none,NULL|',none,''|',none,''|',none,''";
$WA_fieldNames = explode("|", $WA_fieldNamesStr);
$WA_fieldValues = explode("|", $WA_fieldValuesStr);
$WA_columns = explode("|", $WA_columnTypesStr);
$WA_connectionDB = $database_Premiere;
mysql_select_db($WA_connectionDB, $WA_connection);
if (!session_id()) session_start();
$insertParamsObj = WA_AB_generateInsertParams($WA_fieldNames, $WA_columns, $WA_fieldValues, -1);
$WA_Sql = "INSERT INTO `" . $WA_table . "` (" . $insertParamsObj->WA_tableValues . ") VALUES (" . $insertParamsObj->WA_dbValues . ")";
$MM_editCmd = mysql_query($WA_Sql, $WA_connection) or die(mysql_error());
$_SESSION[$WA_sessionName] = mysql_insert_id();
if ($WA_redirectURL != "") {
if ($WA_keepQueryString && $WA_redirectURL != "" && isset($_SERVER["QUERY_STRING"]) && $_SERVER["QUERY_STRING"] !== "" && sizeof($_POST) > 0) {
$WA_redirectURL .= ((strpos($WA_redirectURL, '?') === false)?"?":"&").$_SERVER["QUERY_STRING"];
}
header("Location: ".$WA_redirectURL);
}
}
?><!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=ISO-8859-1" />
<title>Insert users</title>
<link href="/WA_DataAssist/styles/Arial.css" rel="stylesheet" type="text/css" />
<style type="text/css">
<!--
@import url("WA_DataAssist/styles/Refined_Pacifica.css");
-->
</style>
</head>
<body>
<div class="WADAInsertContainer">
<form action="" method="post" name="WADAInsertForm" id="WADAInsertForm">
<div class="WADAHeader">Insert Record</div>
<div class="WADAHorizLine"><img src="/WA_DataAssist/images/_tx_.gif" alt="" height="1" width="1" border="0" /></div>
<table width="686" border="0" cellpadding="0" cellspacing="0" class="WADADataTable"><tr><td class="WADANoResultsMessage"><table width="686" border="0" cellpadding="0" cellspacing="0" class="WADADataTable">
<tr>
<th class="WADADataTableHeader"> </th>
<td colspan="2" align="center"class="WADANoResultsMessage"><?php
if (ValidatedField('usersInsert','usersInsert')) {
if ((strpos((",".ValidatedField("usersInsert","usersInsert").","), "," . "" . ",") !== false || "" == "")) {
if (!(false)) {
?>
Please review and fill in the items noted below
<?php //WAFV_Conditional users_Insert.php usersInsert( :)
}
}
}?></td>
</tr>
<tr>
<th width="202" class="WADADataTableHeader">First Name:</th>
<td width="276" class="WADADataTableCell"><input name="UserFirstName" type="text" id="UserFirstName" value="<?php echo(ValidatedField("usersInsert","UserFirstName")) ?>" size="32" /></td>
<td width="649"><?php
if (ValidatedField('usersInsert','usersInsert')) {
if ((strpos((",".ValidatedField("usersInsert","usersInsert").","), "," . "2" . ",") !== false || "2" == "")) {
if (!(false)) {
?>
We need your first name
<?php //WAFV_Conditional users_Insert.php usersInsert(2:)
}
}
}?>
<?php
if (ValidatedField('usersInsert','usersInsert')) {
if ((strpos((",".ValidatedField("usersInsert","usersInsert").","), "," . "") >= 0)) {
if (!((strpos((",".ValidatedField("usersInsert","usersInsert").","), "," . "1" . ",") !== false || "1" == ""))) {
?>
xxxxxx
<?php //WAFV_Conditional users_Insert.php usersInsert(:1)
}
}
}?></td>
</tr>
<tr>
<th class="WADADataTableHeader">Last Name:</th>
<td class="WADADataTableCell"><input type="text" name="UserLastName" id="UserLastName" value="<?php echo(ValidatedField("usersInsert","UserLastName")) ?>" size="32" /></td>
<td class="WADANoResultsMessage"><?php
if (ValidatedField('usersInsert','usersInsert')) {
if ((strpos((",".ValidatedField("usersInsert","usersInsert").","), "," . "2" . ",") !== false || "2" == "")) {
if (!(false)) {
?>
We need your last name
<?php //WAFV_Conditional users_Insert.php usersInsert(2:)
}
}
}?></td>
