add "add to cart" button on catalog product list, on home

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$this->data['action'] = HTTP_SERVER . 'index.php?route=checkout/cart';

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$this->data['continue'] = HTTP_SERVER . 'index.php?route=common/home';

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this->data['products'][] = array(

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'id'    => $result['product_id'],

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$this->data['products'][] = array(

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'name'    => $result['name'],

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	$('.add_to_cart').each(function(){
	    var _pa = $(this);
	    var _pid = _pa.attr('rel');
	    _pa.click(function () {
		$.ajax({
			type: 'post',
			url: 'index.php?route=module/cart/callback',
			dataType: 'html',
			data: $('#product_'+_pid+' :input'),
			success: function (html) {
				$('#module_cart .middle').html(html);
			},	
			complete: function () {
				var image = $('#image_'+_pid).offset();
				var cart  = $('#module_cart').offset();
	
				$('#image_'+_pid).before('<img src="' + $('#image_'+_pid).attr('src') + '" id="temp_'+_pid+'" style="position: absolute; top: ' + image.top + 'px; left: ' + image.left + 'px;" />');
	
				params = {
					top : cart.top + 'px',
					left : cart.left + 'px',
					opacity : 0.0,
					width : $('#module_cart').width(),  
					heigth : $('#module_cart').height()
				};
				$('#temp_'+_pid).animate(params, 'slow', false, function () {
					$('#temp_'+_pid).remove();
				});
			}
		});
            });
	});

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$(document).ready(function () {

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<?php if ($products[$j]['rating']) { ?>
          <img src="catalog/view/theme/default/image/stars_<?php echo $products[$j]['rating'] . '.png'; ?>" alt="<?php echo $products[$j]['stars']; ?>" />
          <?php } ?>

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<form action="<?php echo $action; ?>" method="post" id="product_<?php echo $j;?>">
<input type="hidden" name="quantity" size="3" value="1" />
<a onclick="" id="add_to_cart_<?php echo $j;?>" rel="<?php echo $j;?>" class="button add_to_cart"><span>Add to Cart</span></a>
<input type="hidden" name="product_id" value="<?php echo $products[$j]['id']; ?>" />
</form>

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this->data['products'][] = array( 

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$options = $this->model_catalog_product->getProductOptions($result['product_id']); 

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'id'    => $result['product_id'],
'options' => $options, 

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<?php if (!$products[$j]['options']) { ?>
<form action="<?php echo $action; ?>" method="post" id="product_<?php echo $j;?>">
<input type="hidden" name="quantity" size="3" value="1" />
<a onclick="" id="add_to_cart_<?php echo $j;?>" rel="<?php echo $j;?>" class="button add_to_cart"><span>Add to Cart</span></a>
<input type="hidden" name="product_id" value="<?php echo $products[$j]['id']; ?>" />
</form>
<?php } ?>

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<?php if (!$products[$j]['options']) { ?>
<form action="<?php echo $action; ?>" method="post" id="product_<?php echo $j;?>">
<input type="hidden" name="quantity" size="3" value="1" />
<a onclick="" id="add_to_cart_<?php echo $j;?>" rel="<?php echo $j;?>" class="button add_to_cart"><span>Add to Cart</span></a>
<input type="hidden" name="product_id" value="<?php echo $products[$j]['id']; ?>" />
</form>
<?php } 
else { ?>
<a class="button" style="text-decoration:none;" href="<?php echo $products[$j]['href']; ?>"><span>View Options</span></a>
<?php } ?>

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<form action="<?php echo $action; ?>" method="post" id="product_<?php echo $products[$j]['id'];?>">
<input type ="hidden" name="quantity" size="1" value="1" />
<a onclick="" id="add_to_cart_<?php echo $products[$j]['id'];?>" rel="<?php echo $products[$j]['id'];?>" class="button add_to_cart"><span><?php echo $button_add_to_cart; ?></span></a>
<input type ="hidden" name="product_id" value="<?php echo $products[$j]['id']; ?>" />
</form>