error in inserting record

hi all i have been inserting records in to database using php using the below program which is saved as “insert.php”.
but it is displaying the following error
[B]Parse error: syntax error, unexpected ‘<‘ in C:xampphtdocsinsert1.php on line 18
[/B]
dont no what went wrong.
can u tell me how to solve it…..
<?php
$host=”localhost”; // Host name
$username=”root”; // Mysql username
$password=””; // Mysql password
$db_name=”test”; // Database name
$tbl_name=”emp”; // Table name

// Connect to server and select databse.
mysql_connect(“$host”, “$username”, “$password”)or die(“cannot connect”);
mysql_select_db(“$db_name”)or die(“cannot select DB”);

$sql=”SELECT * FROM $tbl_name”;
$result=mysql_query($sql);

// Count table rows
$count=mysql_num_rows($result);

<?php
while($rows=mysql_fetch_array($result))
{
?>
<tr>
<td align=”center” bgcolor=”#FFFFFF”><input name=”checkbox[]” type=”checkbox” id=”checkbox[]” value=”y” /></td>
<td align=”center”><input name=”empno[]” type=”text” id=”name” value=”<? echo $rows[’empno’];?>”></td>
<td align=”center”><input name=”empname[]” type=”text” id=”empname” value=”<? echo $rows[’empname’];?>”></td>
<td align=”center”><input name=”desig[]” type=”text” id=”desig” value=”<? echo $rows[‘desig’];?>”></td>
</tr>

<?php
}
?>
<input type=”submit” name=”Submit” value=”Submit”>

<?php

// Get values from form
$no=$_POST[’empno’];
$name=$_POST[’empname’];
$desig=$_POST[‘desig’];

// Check if button name “Submit” is active, do this
if(array_key_exists(‘Submit’, $_POST))
{
for($i=0;$i<count($count);$i++)
{
//protect form sql injection
$a = (int) $_POST[’empno’][$i];
$b = mysql_real_escape_string( $_POST[’empname’][$i] );
$c = mysql_real_escape_string( $_POST[‘desig’][$i] );
//read the query
$sql=”INSERT INTO ‘$tbl_name’ (empno, empname, desig) VALUES(‘{$a}’, ‘{$b}’, ‘{$c}’)”;
mysql_query($sql) or die(mysql_error());
}
}

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