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This program will take data from a user via a web based form, validate it, show it

This program will take data from a user via a web based form, validate it, show it

<html> 
<body bgcolor="AAAAAA" text="000000"></body> 
<title>Web and Email registration</title> 
<center><table border=1 bgcolor="#086b5a" bordercolor="086b5a"> 
<tr><td><center><img src="reg.gif"><IMG SRC="logot.gif"></center></TD> 
</tr> 
</table></center> 
<? 
if (!$namef && !$insertval && !$submit) { 
echo "<form action=\"/reg.php3\" method=\"post\">"; 
echo "<center>"; 
echo "<table align=\"center\" border=1 bordercolordark=\"#777777\"  width=\"60% 
\" bordercolorlight=\"#dddddd\" bgcolor=\"BBBBBB\">"; 
echo "<tr><td colspan=2 bgcolor=\"#000000\"><center><font color=\"#aaddaa\"> Jap 
an Communication Inc.</font></center></td></td>" ; 
echo "<tr><td>Your first name<br>"; 
echo "<td><input type=\"text\" name=\"namef\" maxlength=40 
length=40><br></tr></td>"; 
echo "<tr><td>Your last name<br></td>";echo "<td><input type=\"text\" name= 
\"namel\" maxlength=40 length=40><br></tr></td>"; 
echo "<tr><td>Your company name</td>"; 
echo "<td><input type=\"text\" name=\"coname\" maxlength=120 length=40><br></tr> 
</td>"; 
echo "<tr><td>Your email address<br>"; 
echo "<A4><A4><A1><CB></td>"; 
echo "<td><input type=\"text\" name=\"email\" maxlength=60 length=40><br></tr></ 
td>"; 
echo "<tr><td>Your cell phone's number (numbers only please)"; 
echo ""; 
echo "<td><input type=\"text\" name=\"mobileset\" maxlength=15 
length=40></tr></td>"; 
echo "<tr><td>A personal password<br>"; 
echo "</td>"; 
echo "<td><input type=\"password\" name=\"pass\" maxlength=40 
length=40></tr></td>"; 
echo "<tr><td>A personal password (again)"; 
echo "</td>"; 
echo "<td><input type=\"password\" name=\"pass2\" maxlength=40 length=40></tr></ 
td>"; 
echo "<tr><td>Finish and submit data<br><BD><AA><CE><BB></td>"; 
echo "<td><center><input type=\"submit\" name=\"submit\" value=\"<C5><D0><CF> 
<BF>\"></center></tr></td>"; 
echo "<tr><td colspan=2 bgcolor=\"#000000\"><center><font color=\"#aaddaa\"> 
Copyright 1998</font></center></td></td>" ; 
echo "</table></center></form>"; 
} ?> 
<? 
        if($pass != $pass2){ 
        echo "<br><br><hr>You mispelled your password<hr><br><br>"; 
        echo "Please <a href=\"/reg.php3\">go back</a> to correct this";   
        die; 
        } 

        if(!$insertval && $namef && $email && $namel && $pass && $coname) { 
    echo "<center><table border=1 bgcolor=\"#CCCCCC\"><tr><td colspan=6>" ; 
    echo "<br><center>You entered these values </center></td></tr>"; 
    echo "<tr><td>First Name</td><td>Last Name</td><td>Company 
Name</td><td>Email Address</td><td>"; 
    echo "Phone Number</td><td>Password</td></tr>"; 
    echo "<tr><td>$namef</td><td>$namel</td><td>$coname</td><td> 
$email</td><td>mobileset</td><td>NOT SHOWN</td></tr>"; 
    echo "</td></tr>"; 
    echo "<form action=\"reg.php3\" method=\"post\">"; 
    echo "<td colspan=3>Is all this data Correct?</td><td colspan=3>"; 
    echo "<center><input type=\"submit\" value=\"Yes\" name=\"insertval\">"; 
    echo "<input type=\"submit\" value=\"No\" name=\"insertval\">"; 
    echo "<input type=\"hidden\" name=\"namef\" value=\"$namef\">"; 
    echo "<input type=\"hidden\" name=\"namel\" value=\"$namel\">"; 
    echo "<input type=\"hidden\" name=\"coname\" value=\"$coname\">"; 
    echo "<input type=\"hidden\" name=\"email\" value=\"$email\">"; 
    echo "<input type=\"hidden\" name=\"mobileset\" value=\"$mobileset\">"; 
    echo "<input type=\"hidden\" name=\"pass\" value=\"$pass\">"; 
    echo "<input type=\"hidden\" name=\"pass2\" value=\"$pass2\">"; 
    echo "</form></table></center></center>"; 
    } elseif($insertval == "No") { 
        echo "<font size=+2><center><br><br><hr>If you made a mistake, "; 
        echo "Click <a href=\"/reg.php3\">here</a> to start 
over<hr></font></center><br><br>"; 
        } 
if((!$namef || !$email || !$namel || !$pass || !$coname || $insertval) && 
$submit) { 
        echo "<font size=+1><center><br><br><hr>"; 
        echo "You <font color=\"#FF0000\"><b>must</b></font> enter data in the 
following fields:<br>"; 
        echo "First name, Last Name, email, Company Name, and password"; 
        echo "Click <a href=\"/reg.php3\">here</a> to start over"; 
        echo "</font></center><hr><br><br>"; 
        } 
    if($insertval == "Yes"){ 
    mysql_connect("localhost","root","mypassword") 
       or die("Unable to connect to MySQL server"); 
    mysql_select_db("register") or die("Unable to select database"); 
    $insert = mysql_query("insert into users VALUES( 
        '$namef','$namel','$coname','$email','$mobileset',password 
('$pass'),NULL)"); 
    echo "<br><br><b><font size=+4><font color=\"66FF66\"><center>Your data has 
been successfully entered."; 
    echo "</b></center></font></font>"; 
    } 
?> 
<center><table border=1 width="90%" 
bgcolor="#086b5a"><tr><td><FORM><center><font color="FFFFFF"> 
<INPUT bgcolor="#AAFFAA"type="button" value="Main Menu" 
OnClick="location='./index.html'"></font></form></td> 
</center> 
<TD><font color="DD5555"><center><h1>Widget 
Inc.</h1>company name here</center></td></tr></table></center> 

</html>