Magento product add programmatically

CID= Category ID
Name= Product name
sku = Product Sku
weight = Product Weight.

<?php $data=array("weight"=>"10","sku"=>"sku20","name"=>"productnew","description"=>"description","sdesc"=>"sdesc","price"=>"103","cid"=>"4"); ?>

<?php $newproduct = new Mage_Catalog_Model_Product();

$newproduct->setTypeId('simple');

$newproduct->setWeight($data['weight']);

$newproduct->setVisibility(Mage_Catalog_Model_Product_Visibility::VISIBILITY_BOTH);

$newproduct->setStatus(1);

$newproduct->setSku($data['sku']);

$newproduct->setTaxClassId(0);

$newproduct->setCategoryIds($data['cid']);

$newproduct->setWebsiteIDs(array(1));

$newproduct->setStoreIDs(array(1));

$newproduct->setStockData(array(

'is_in_stock' => 1,

'qty' => 199,

'manage_stock' => 1

));

$newproduct->setAttributeSetId(4);

$newproduct->setName($data['name']);

//$newproduct->setCategoryIds(array(3)); // array of categories it will relate to

$newproduct->setDescription($data['description']);

$newproduct->setShortDescription($data['sdesc']);

$newproduct->setPrice($data['price']);

//$newproduct->save();

?>

<?php

$fullImagePath="/opt/lampp/htdocs/wishlists/skin/frontend/default/default/images/a3.jpg";

$newproduct->setMediaGallery (array('images'=>array (), 'values'=>array ()));

$newproduct->addImageToMediaGallery ($fullImagePath, array ('image','small_image','thumbnail'), false, false);

//$newproduct->addImageToMediaGallery ($fullImagePath, array ('small_image'), false, false);

//$newproduct->addImageToMediaGallery ($fullImagePath, array ('thumbnail'), false, false);

$newproduct->save();

?>