how to send mail html format using php

<?php

if(isset($_POST['submit'])){

$name = $_POST['aname'];

$company = $_POST['company'];

$phone = $_POST['phone'];

$email = $_POST['email'];

$typeofservice = $_POST['typeofservice'];

$cellphone = $_POST['cellphone'];

$qtyofproject = $_POST['qtyofproject'];

$specificinformation = $_POST['specificinformation'];

$about = $_POST['about'];

$to='Service@AudioVideoDuplicating.com';

$subject = "Request a Quote";

$message = '

Hello,

Please find below the quote information

Name: ‘.$name.’

Company Name:‘.$company.’

Phone: ‘.$phone.’

Type of Service Preferred: ‘.$typeofservice.’

Cell Phone: ‘.$cellphone.’

Quantity of the Project: ‘.$qtyofproject.’

Other Specified Information: ‘.$specificinformation.’

How did you learn about Audio Video Duplicating: ‘.$about.’

Regards

AVD Audio Video Duplicating

‘;

if(empty($name))

{

$err_msg = “Please Enter Name”;

}

else if(empty($company))

{

$err_msg = “Please Enter Company Name”;

}

else if(empty($phone))

{

$err_msg = “Please Enter Tel Number”;

}

else if(empty($email))

{

$err_msg = “Enter Email Address”;

}

else if(!eregi(“^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$”, $email))

{

$err_msg = “Please Enter Valid Email”;

}

else if(empty($qtyofproject))

{

$err_msg = “Please Select Quantity of Project”;

}

else if($_POST['captcha']!=$_SESSION['security_code']){

$err_msg = “Please Enter Proper Security Code”;

}

else

{

$from = $email;

$headers = “From:” . $from . “\r\n”;

$headers .= ‘MIME-Version: 1.0′ . “\r\n”;

$headers .= ‘Content-type: text/html; charset=iso-8859-1′ . “\r\n”;

mail($to, $subject, $message, $headers);

//$msg = ‘success’;

$_SESSION['SUC'] = ‘success’;

echo “location.href=’/request-quote’;”;

//header(‘Location:request-quote.php?msg=success’);

//exit(0);

}

}

?>

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