I am working for a company, the program i am working on is not right. Please help find the problem.
<!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>
<style type="text/css">
.box1 { background:#00CC99; width:980px; height:800px; margin:20px auto;}
.box2 { margin-left:60px; float:left; margin-top:30px;}
</style>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>无标题文档</title>
</head>
<body>
<div class="box1">
<div class="box2">
<form action="jobnew.php" method="post" >
<p><strong>Kind</strong><br />
Lazer
<input type="radio" name="kind" value="Laser"/>
Inkjet
<input type="radio" name="kind" value="Inkjet" />
</p>
<p><strong>Brand</strong> <br />
<select name="brand">
<option value="Apple">Apple</option>
<option value="brother">Brother</option>
<option value="Canon">Canon</option>
<option value="Dell">Dell</option>
<option value="Epson">Epson</option>
<option value="HP">HP</option>
<option value="lexmark">Lexmark</option>
<option value="Samsung">Samsung</option>
<option value="Sharp">Sharp</option>
<option value="IBM">IBM</option>
<option value="Lenovo">Lenovo</option>
<option value="Konica-Minolta">Konica-Minolta</option>
<option value="QMS">QMS</option>
<option value="okidata">okidata</option>
<option value="Mita">Mita</option>
<option value="Ricoh">Ricoh</option>
<option value="Source technology">Source technology</option>
<option value="Standard Register">Standard Register</option>
<option value="Tally Genicom">Tally Genicom</option>
<option value="Tektronix">Tektronix</option>
<option value="Toshiba">Toshiba</option>
<option value="Unisys">Unisys</option>
<option value="Xerox">Xerox</option>
<option value="Xerox Ink Stricks">Xerox Ink Sticks</option>
<option value="kyocera">kyocera</option>
<option value="Postage Meters">Postage Meters</option>
</select>
</p>
<p><strong>PTi item#</strong><Br />
<input type="text" name="item" />
</p>
<p><strong>PTI stock#</strong><br />
<input type="text" name="PTISTOCK" size="30" />
</p>
<p><strong>Machine Compatibility</strong><br />
<input type="text" name="MC" size="30" />
</p>
<p><strong>OEM Part#</strong><br />
<input type="text" name="OEMPART" size="30" />
</p>
<p><strong>Color</strong><br />
<select name="colorful" >
<option value="red" >red</option>
<option value="black" >black</option>
<option value="Cyan" >Cyan</option>
<option value="Yellow" >Yellow</option>
<option value="Magenta" >Magenta</option>
<option value="Tri-color">Tri-color</option>
<option value="Photo">Photo</option>
<option value="Photo Cyan">Photo Cyan</option>
<option value="Photo Gray">Photo Grey</option>
<option value="Photoblack">Photoblack</option>
<option value="Matte Black">Matte Black</option>
<option value="Lt.Cyan">Lt.Cyan</option>
<option value="Lt.Magenta">Lt.Magenta</option>
<option value="Light Cyan">Light Cyan</option>
<option value="Light Magenta">Light Magenta</option>
<option value="Gray">Gray</option>
<option value="Photo Magenta">Photo Magenta</option>
<option value="Black/Color">Black/Color</option>
<option value="CMKYLtCLtM">CMKYLtCLtM</option>
<option value="blue">blue</option>
<option value="color">color</option>
<option value="Photo-Gray">Photo-Gray</option>
<option value="white">white</option>
<option value="Photo Tri-color">Photo Tri-color</option>
<option value="color Photo">color Photo</option>
<option value="Green">Green</option>
</select>
</p>
<p><strong>OEM Price</strong><br />
<input type="text" name="OEMPRICE" size="30" />
</p>
<p><strong>Compatibility Price</strong><br />
<input type="text" name="CP" size="30" />
</p>
<p><strong>Picture</strong><br />
<input type="file" name="dd" />
</p>
<p>
<input type="submit" value="submit">
</p>
<p></p>
</form>
</div>
</div>
<?php
$host="localhost";
$user="root";
$password="";
$tianjin="pti";
$tab= "table";
$kind=$_POST['kind'];
$brand=$_POST['brand'];
$ptistork=$_POST['PTISTOCK'];
$item=$_POST['item'];
$compatibility=$_POST['MC'];
$OEM=$_POST['OEMPART'];
$color=$_POST['colorful'];
$oemprice=$_POST['OEMPRICE'];
$comp=$_POST['CP'];
$image=$_POST['dd'];
$connection=mysql_connect($host,$user,$password)or die (mysql_error());
echo "1";
$db=mysql_select_db($tianjin,$connection)or die (mysql_error());
echo "2";
$file=$_FILES['dd']['tmp_name'];
$insert="INSERT INTO $tab (kind,brand,ptiitem,stock,compatibility,oempart,color,oemprice,comprice,picture)
VALUES ('$kind','$brand','$item','$ptistork','$compatibility','$OEM','$color','$oemprice','$comp','$image')";
$result=mysql_query($insert,$connection) or die (mysql_error());
echo "you win " ;
?>
</body>
</html>