Display Least Selling Special Price on Configurable Product View Page

please visit this configurable product link

you can see : MRP : Rs. 9.00, below that Rs. 0.00 by default

Backend values : Price : 0 , special price : 0

in same link, above you can see "color" dropdown attribute , please select

1)Blue, = >  MRP: Rs. 10.00, below that Rs 5.00

2)Light Pink => MRP: Rs. 9.00 below that Rs 4.00

3)choose an option => MRP: Rs. 9.00 ,below that 4.00

Now option 3 is working fine. but once you refresh the page it will show original value entered in backend in special price

How Price working :

Least Price of simple product is displaying once we refresh the page. This is fine.

how special price working

Value entered in backend is displaying once we refresh the page. This is not correct.

What i need is :

Least special price of simple product should display once we refresh the page

I followed this link answer by @alan for displaying least selling price of simple products : Magento Configurable Product Price Overriding Simple Product Price

<?php

#The methods in there have become a bit convoluted, so it could benefit from a tidy,
#...though the logic is not that simple any more.

class OrganicInternet_SimpleConfigurableProducts_Catalog_Model_Product_Type_Configurable_Price
    extends Mage_Catalog_Model_Product_Type_Configurable_Price
{
    #We don't want to show a separate 'minimal' price for configurable products.
    public function getMinimalPrice($product)
    {
        return $this->getPrice($product);
    }

    public function getMaxPossibleFinalPrice($product) {
        #Indexer calculates max_price, so if this value's been loaded, use it
        $price = $product->getMaxPrice();
        if ($price !== null) {
            return $price;
        }

        $childProduct = $this->getChildProductWithHighestPrice($product, "finalPrice");
        #If there aren't any salable child products we return the highest price
        #of all child products, including any ones not currently salable.

        if (!$childProduct) {
            $childProduct = $this->getChildProductWithHighestPrice($product, "finalPrice", false);
        }

        if ($childProduct) {
            return $childProduct->getFinalPrice();
        }
        return false;
    }

    #If there aren't any salable child products we return the lowest price
    #of all child products, including any ones not currently salable.
    public function getFinalPrice($qty=null, $product)
{
    //Start edit
    $selectedAttributes = array();
    if ($product->getCustomOption('attributes')) {
        $selectedAttributes = unserialize($product->getCustomOption('attributes')->getValue());
    }
    //End edit
    if (sizeof($selectedAttributes)) return $this->getSimpleProductPrice($qty, $product);

    if (is_null($qty) && !is_null($product->getCalculatedFinalPrice())) {
        return $product->getCalculatedFinalPrice();
    }

    $basePrice = $this->getBasePrice($product, $qty);
    $finalPrice = $basePrice;
    $product->setFinalPrice($finalPrice);
    Mage::dispatchEvent('catalog_product_get_final_price', array('product' => $product, 'qty' => $qty));
    $finalPrice = $product->getData('final_price');

    $finalPrice += $this->getTotalConfigurableItemsPrice($product, $finalPrice);
    $finalPrice += $this->_applyOptionsPrice($product, $qty, $basePrice) - $basePrice;
    $finalPrice = max(0, $finalPrice);

    $product->setFinalPrice($finalPrice);
    return $finalPrice;
}

public function getSimpleProductPrice($qty=null, $product)
    {
        $cfgId = $product->getId();
        $product->getTypeInstance(true)
            ->setStoreFilter($product->getStore(), $product);
        $attributes = $product->getTypeInstance(true)
            ->getConfigurableAttributes($product);
        $selectedAttributes = array();
        if ($product->getCustomOption('attributes')) {
            $selectedAttributes = unserialize($product->getCustomOption('attributes')->getValue());
        }
        $db = Mage::getSingleton('core/resource')->getConnection('core_read');
        $dbMeta = Mage::getSingleton('core/resource');
        $sql = <<<SQL
SELECT main_table.entity_id FROM {$dbMeta->getTableName('catalog/product')} `main_table` INNER JOIN
{$dbMeta->getTableName('catalog/product_super_link')} `sl` ON sl.parent_id = {$cfgId}
SQL;
        foreach($selectedAttributes as $attributeId => $optionId) {
            $alias = "a{$attributeId}";
            $sql .= ' INNER JOIN ' . $dbMeta->getTableName('catalog/product') . "_int" . " $alias ON $alias.entity_id = main_table.entity_id AND $alias.attribute_id = $attributeId AND $alias.value = $optionId AND $alias.entity_id = sl.product_id";
        }
        $id = $db->fetchOne($sql);
        return Mage::getModel("catalog/product")->load($id)->getFinalPrice($qty);
    }

    public function getPrice($product)
    {
        #Just return indexed_price, if it's been fetched already
        #(which it will have been for collections, but not on product page)
        $price = $product->getIndexedPrice();
        if ($price !== null) {
            return $price;
        }

        $childProduct = $this->getChildProductWithLowestPrice($product, "finalPrice");
        #If there aren't any salable child products we return the lowest price
        #of all child products, including any ones not currently salable.
        if (!$childProduct) {
            $childProduct = $this->getChildProductWithLowestPrice($product, "finalPrice", false);
        }

        if ($childProduct) {
            return $childProduct->getPrice();
        }

        return false;
    }

    public function getChildProducts($product, $checkSalable=true)
    {
        static $childrenCache = array();
        $cacheKey = $product->getId() . ':' . $checkSalable;

        if (isset($childrenCache[$cacheKey])) {
            return $childrenCache[$cacheKey];
        }

        $childProducts = $product->getTypeInstance(true)->getUsedProductCollection($product);
        $childProducts->addAttributeToSelect(array('price', 'special_price', 'status', 'special_from_date', 'special_to_date'));

        if ($checkSalable) {
            $salableChildProducts = array();
            foreach($childProducts as $childProduct) {
                if($childProduct->isSalable()) {
                    $salableChildProducts[] = $childProduct;
                }
            }
            $childProducts = $salableChildProducts;
        }

        $childrenCache[$cacheKey] = $childProducts;
        return $childProducts;
    }

/*
    public function getLowestChildPrice($product, $priceType, $checkSalable=true)
    {
        $childProduct = $this->getChildProductWithLowestPrice($product, $priceType, $checkSalable);
        if ($childProduct) {
            if ($priceType == "finalPrice") {
                $childPrice = $childProduct->getFinalPrice();
            } else {
                $childPrice = $childProduct->getPrice();
            }
        } else {
            $childPrice = false;
        }
        return $childPrice;
    }
*/
    #Could no doubt add highest/lowest as param to save 2 near-identical functions
    public function getChildProductWithHighestPrice($product, $priceType, $checkSalable=true)
    {
        $childProducts = $this->getChildProducts($product, $checkSalable);
        if (count($childProducts) == 0) { #If config product has no children
            return false;
        }
        $maxPrice = 0;
        $maxProd = false;
        foreach($childProducts as $childProduct) {
            if ($priceType == "finalPrice") {
                $thisPrice = $childProduct->getFinalPrice();
            } else {
                $thisPrice = $childProduct->getPrice();
            }
            if($thisPrice > $maxPrice) {
                $maxPrice = $thisPrice;
                $maxProd = $childProduct;
            }
        }
        return $maxProd;
    }

    public function getChildProductWithLowestPrice($product, $priceType, $checkSalable=true)
    {
        $childProducts = $this->getChildProducts($product, $checkSalable);
        if (count($childProducts) == 0) { #If config product has no children
            return false;
        }
        $minPrice = PHP_INT_MAX;
        $minProd = false;
        foreach($childProducts as $childProduct) {
            if ($priceType == "finalPrice") {
                $thisPrice = $childProduct->getFinalPrice();
            } else {
                $thisPrice = $childProduct->getPrice();
            }
            if($thisPrice < $minPrice) {
                $minPrice = $thisPrice;
                $minProd = $childProduct;
            }
        }
        return $minProd;
    }

    //Force tier pricing to be empty for configurable products:
    public function getTierPrice($qty=null, $product)
    {
        return array();
    }
}