show product detail according to product id in magento

How to show product detail according to product id in magento

<?php

$obj = Mage::getModel('catalog/product');

$_product = $obj->load($product_id); // Enter your Product Id in $product_id

// get Product's name

echo $_product->getName();

//get product's short description

echo $_product->getShortDescription();

//get Product's Long Description

echo $_product->getDescription();

//get Product's Regular Price

echo $_product->getPrice();

//get Product's Special price

echo $_product->getSpecialPrice();

//get Product's Url

echo $_product->getProductUrl();

//get Product's image Url

echo $_product->getImageUrl();

?>