issue: Division by zero/ Undefined variable

Hey guys…
I need your help. I´m getting some issues in  system.log
ERR (3): Warning: Division by zero  in /www/…/…/…/app/design/frontend/default/jm_casual/template/catalog/product/list.phtml on line 230
ERR (3): Notice: Undefined variable: labeltype  in /www/…/…/…/app/design/frontend/default/jm_casual/template/catalog/product/list.phtml on line 241
ERR (3): Notice: Undefined variable: numberchar  in /www/…/…/…/app/design/frontend/default/jm_casual/template/catalog/product/list.phtml on line 279
ERR (3): Notice: Undefined variable: config  in /www/…/…/…/app/design/frontend/default/jm_casual/template/catalog/product/list.phtml on line 230
 
Here is my code of the list.phtml ( I have put some new line inside)

Start your code here<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Academic Free License (AFL 3.0)
 * that is bundled with this package in the file LICENSE_AFL.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/afl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    design
 * @package     base_default
 * @copyright   Copyright (c) 2013 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/afl-3.0.php  Academic Free License (AFL 3.0)
 */
?>
<?php
/**
 * Product list template
 *
 * @see Mage_Catalog_Block_Product_List
 */
?>
    <div class="category-page">
    <?php
    $_productCollection=$this->getLoadedProductCollection();
    $_helper = $this->helper('catalog/output');
    $baseconfig =  Mage::helper("jmbasetheme")->getactiveprofile();

    if ($baseconfig) :
        $productlistimagewidth = $baseconfig["productlistimagewidth"];
        $productlistimageheight = $baseconfig["productlistimageheight"];
        $productlistdeslenght = $baseconfig["productlistdeslenght"];
        $productgridimageheight = $baseconfig["productgridimageheight"];
        $productgridimagewidth = $baseconfig["productgridimagewidth"];
        $showlabel = $baseconfig["showlabel"];
    else :
        $productlistimagewidth = 150;
        $productlistimageheight = 225;
        $productlistdeslenght = 0;
        $productgridimageheight = 225;
        $productgridimagewidth = 150;
        $showlabel = 0;
    endif;
    ?>

    <?php if(!$_productCollection->count()): ?>
        <p class="note-msg"><?php echo $this->__('There are no products matching the selection.') ?></p>
    <?php else: ?>
        <div class="category-products">
        <?php echo $this->getToolbarHtml() ?>
        <?php // List mode ?>
        <?php if($this->getMode()!='grid'): ?>
            <?php $_iterator = 0; ?>
            <ol class="products-list" id="products-list">
                <?php
                foreach ($_productCollection as $_product):
                    $product = Mage::getModel('catalog/product')->load($_product->getId());
                    $attribute = $product->getResource()->getAttribute('label');
                    if(is_object($attribute)){
                        $_options= $attribute->getSource()->getAllOptions(true, true);
                        foreach($_options as $option){
                            if ($option['value'] == $product->getData("label")){
                                $class =  $option['label'];
                            }
                        }
                        $attdefaultvalue = $attribute->getDefaultValue();

                        $attributeValue =  $product->getlabel();
                        $attributeValueName = Mage::getModel('catalog/product')->load($_product->getId())->getAttributeText('label');
                        if(strlen($attributeValue) &&  ($attdefaultvalue !== $attributeValue)) {
                            $labeltype = $class;
                            $labelname = $attributeValueName;
                        }
                        else {
                            $labeltype = "";
                        }
                    }

                    $hoverimage = Mage::getModel('catalog/product')->load($_product->getId())->getMediaGalleryImages()->getItemByColumnValue('label','hover');
                    if($hoverimage){
                        $hoverimage = $hoverimage->getUrl();
                    }

                    ?>
                    <li class="item<?php if( ++$_iterator == sizeof($_productCollection) ): ?> last<?php endif; ?>">
                        <div class="inner">
                            <?php // Product Image ?>
                            <div class="product-image">
                                <a href="<?php echo $_product->getProductUrl() ?>" title="<?php echo $this->stripTags($this->getImageLabel($_product, 'small_image'), null, true) ?>" style="width: <?php echo $productgridimagewidth?>px; height: <?php echo $productgridimageheight; ?>px; overflow: hidden; float: left; ">
                                    <?php if($hoverimage){ ?>
                                        <img  class="additional_img" src="<?php echo $hoverimage; ?>" width="<?php echo $productlistimagewidth; ?>" height="<?php echo $productlistimageheight; ?>" alt="<?php echo $this->stripTags($this->getImageLabel($_product, 'small_image'), null, true) ?>" />
                                        <img id="product-collection-image-<?php echo $_product->getId(); ?>" class="regular_img" src="<?php echo $this->helper('catalog/image')->init($_product, 'small_image')->resize($productlistimagewidth,$productlistimageheight); ?>" width="<?php echo $productlistimagewidth; ?>" height="<?php echo $productlistimageheight; ?>" alt="<?php echo $this->stripTags($this->getImageLabel($_product, 'small_image'), null, true) ?>" />
                                    <?php } else { ?>
                                        <img id="product-collection-image-<?php echo $_product->getId(); ?>" class="regular_img1" src="<?php echo $this->helper('catalog/image')->init($_product, 'small_image')->resize($productlistimagewidth,$productlistimageheight); ?>" width="<?php echo $productlistimagewidth; ?>" height="<?php echo $productlistimageheight; ?>" alt="<?php echo $this->stripTags($this->getImageLabel($_product, 'small_image'), null, true) ?>" />
                                    <?php }?>
                                </a>
                                <?php if ($labeltype && $showlabel): ?>
                                    <span class="<?php echo $labeltype; ?>-label ico-label"><?php echo $labelname;    ?></span>
                                <?php endif; ?>


                            </div>
                            <?php // Product description ?>
                            <div class="product-shop">
                                <?php $_productNameStripped = $this->stripTags($_product->getName(), null, true); ?>
                                <h2 class="product-name"><a href="<?php echo $_product->getProductUrl() ?>" title="<?php echo $_productNameStripped; ?>"><?php echo $_helper->productAttribute($_product, $_product->getName() , 'name'); ?></a></h2>
<h4><?php echo $_helper->productAttribute($_product, $_product->getSub_name(), 'sub_name') ?></h4>
                                <?php
                                if ($this->getChild('name.after')) {
                                    $_nameAfterChildren = $this->getChild('name.after')->getSortedChildren();
                                    foreach ($_nameAfterChildren as $_nameAfterChildName) {
                                        $_nameAfterChild = $this->getChild('name.after')->getChild($_nameAfterChildName);
                                        $_nameAfterChild->setProduct($_product);
                                        echo $_nameAfterChild->toHtml();
                                    }
                                }
                                ?>
                                <?php echo $this->getReviewsSummaryHtml($_product, true, true)?>

                                <?php echo $this->getPriceHtml($_product, true) ?>
<p>
<?php if($baseprice = Mage::helper('baseprice')->getBasePriceLabel($_product, true)): ?>
            <div class="baseprice">(<?php echo $baseprice ?>)</div>
            <?php endif; ?>
</p>

                                <div class="desc std">
                                    <?php $sdesc = $_helper->productAttribute($_product, $_product->getShortDescription(), 'short_description') ?>
                                    <?php
                                    if ($productlistdeslenght) :
                                        echo substr(strip_tags($sdesc), 0, $productlistdeslenght).'...'.'&nbsp;<a href="'.$_product->getProductUrl().'" title="'.$_productNameStripped.'">More detail</a>';
                                    else :
                                        echo substr(strip_tags($sdesc), 0, 300).'...';
                                    endif;
                                    ?>
                                </div>
                                <div class="actions">
                                    <ul class="add-to-links">
                                        <li class="addtocart">
                                            <?php if($_product->isSaleable()): ?>
                                                <button type="button" title="<?php echo $this->__('Add to Cart') ?>" class="button btn-cart" onclick="setLocation('<?php echo $this->getAddToCartUrl($_product) ?>')"><span><span><?php echo $this->__('Add to Cart') ?></span></span></button>
                                            <?php else: ?>
                                                <p class="availability out-of-stock"><span><?php echo $this->__('Out of stock') ?></span></p>
                                            <?php endif; ?>
                                        </li>
                                        <?php if ($this->helper('wishlist')->isAllow()) : ?>
                                            <li class="wishlist">
                                                <button class="button btn-wishlist" onclick="setLocation('<?php echo $this->helper('wishlist')->getAddUrl($_product) ?>')">
                                                    <i class="icon-heart"></i>
                                                </button>
                                            </li>
                                        <?php endif; ?>
                                        <?php if($_compareUrl=$this->getAddToCompareUrl($_product)): ?>
                                            <li class="compare">
                                                <button class="button btn-compare" onclick="setLocation('<?php echo $_compareUrl ?>')">
                                                    <i class="icon-refresh"></i>
                                                </button>
                                                <a style="display:none" href="<?php echo $_compareUrl ?>" class="link-compare"><?php echo $this->__('Compare') ?></a>
                                            </li>
                                        <?php endif; ?>
                                    </ul>
                                </div>
                            </div>
                        </div>
                    </li>
                <?php endforeach; ?>
            </ol>
            <script type="text/javascript">decorateList('products-list', 'none-recursive')</script>

        <?php else: ?>

        <?php // Grid Mode ?>

        <?php $_collectionSize = $_productCollection->count() ?>
        <?php $_columnCount = $this->getColumnCount(); ?>
        <?php
        if($baseconfig["productgridnumbercolumn"]) :
            $_columnCount = $baseconfig["productgridnumbercolumn"];
        endif;
        ?>
            <ul class="products-grid products-grid-special">
                <?php $i=0; foreach ($_productCollection as $_product):
                    $product = Mage::getModel('catalog/product')->load($_product->getId());
                    $attribute = $product->getResource()->getAttribute('label');
                    if(is_object($attribute)){
                        $_options= $attribute->getSource()->getAllOptions(true, true);
                        foreach($_options as $option){
                            if ($option['value'] == $product->getData("label")){
                                $class =  $option['label'];
                            }
                        }
                        $attdefaultvalue = $attribute->getDefaultValue();

                        $attributeValue =  $product->getlabel();
                        $attributeValueName = Mage::getModel('catalog/product')->load($_product->getId())->getAttributeText('label');
                        if(strlen($attributeValue) &&  ($attdefaultvalue !== $attributeValue)) {
                            $labeltype = $class;
                            $labelname = $attributeValueName;
                        }
                        else {
                            $labeltype = "";
                        }
                    }

                    $_rowCount = ceil($_collectionSize/$_columnCount);
                    if ($i%$_columnCount==0) : $j++; endif;
                    if ($i++%$_columnCount==0): $width = 100; endif;
                    if ($_columnCount):
                        $width = 100/$_columnCount;
                        $width = "style=\"width:{$width}%;\"";
                    endif;
                    $return = false;

                    $hoverimage = Mage::getModel('catalog/product')->load($_product->getId())->getMediaGalleryImages()->getItemByColumnValue('label','hover');
                    if($hoverimage){
                        $hoverimage = $hoverimage->getUrl();
                    }
                    ?>
                    <li class="item <?php if ($j==$_rowCount) : echo "item-row-last"; endif; ?> <?php if(($i-1)%$config['perrow']==0): ?> first<?php elseif($i%$config['perrow']==0): ?> last<?php endif; ?>" <?php echo $width;?>>
                        <div class="inner">
                            <div class="product-image">
                                <a title="<?php echo $this->htmlEscape($_product->getName()) ?>" href="<?php echo $_product->getProductUrl() ?>" style="width: <?php echo $productgridimagewidth?>px; height: <?php echo $productgridimageheight; ?>px; overflow: hidden; ">
                                    <?php if($hoverimage){ ?>
                                        <img  class="additional_img" src="<?php echo $hoverimage; ?>" width="<?php echo $productgridimagewidth; ?>" height="<?php echo $productgridimageheight; ?>" alt="<?php echo $this->stripTags($this->getImageLabel($_product, 'small_image'), null, true) ?>" />
                                        <img id="product-collection-image-<?php echo $_product->getId(); ?>" class="regular_img" src="<?php echo $this->helper('catalog/image')->init($_product, 'small_image')->resize($productgridimagewidth,$productgridimageheight); ?>" width="<?php echo $productgridimagewidth; ?>" height="<?php echo $productgridimageheight; ?>" alt="<?php echo $this->stripTags($this->getImageLabel($_product, 'small_image'), null, true) ?>" />
                                    <?php } else { ?>
                                        <img id="product-collection-image-<?php echo $_product->getId(); ?>" class="regular_img1" src="<?php echo $this->helper('catalog/image')->init($_product, 'small_image')->resize($productgridimagewidth,$productgridimageheight); ?>" width="<?php echo $productgridimagewidth; ?>" height="<?php echo $productgridimageheight; ?>" alt="<?php echo $this->stripTags($this->getImageLabel($_product, 'small_image'), null, true) ?>" />
                                    <?php }?>
                                </a>
                                <?php if ($labeltype && $showlabel): ?>
                                    <span class="<?php echo $labeltype; ?>-label ico-label"><?php echo $labelname;    ?></span>
                                <?php endif; ?>
                                <div class="actions">
                                    <ul class="add-to-links">
                                        <li class="button-cart">
                                            <?php if($_product->isSaleable()){ ?>
                                                <button class="form-button" onclick="setLocation('<?php echo $this->getAddToCartUrl($_product) ?>')">
                                                    <i class="icon-shopping-cart"></i> <?php echo $this->__('Add to cart');?>
                                                </button>
                                            <?php } else { ?>
                                                <div class="out-of-stock"><i class="icon-off"></i> <?php echo $this->__('Out of stock');?></div>
                                            <?php } ?>
                                        </li>
                                        <?php if ($this->helper('wishlist')->isAllow()) : ?>
                                            <li class="wishlist"><a href="<?php echo $this->helper('wishlist')->getAddUrl($_product) ?>" class="link-wishlist"><i class="icon-heart"></i></a></li>
                                        <?php endif; ?>
                                    </ul>
                                </div>
                            </div>
                            <div class="product-information">
                                <h5>
                                    <a title="<?php echo $this->htmlEscape($_product->getName()) ?>" href="<?php echo $_product->getProductUrl() ?>"><?php echo $_product->getName() ?></a>
                                </h5>
                                <?php
                                if ($this->getChild('name.after')) {
                                    $_nameAfterChildren = $this->getChild('name.after')->getSortedChildren();
                                    foreach ($_nameAfterChildren as $_nameAfterChildName) {
                                        $_nameAfterChild = $this->getChild('name.after')->getChild($_nameAfterChildName);
                                        $_nameAfterChild->setProduct($_product);
                                        echo $_nameAfterChild->toHtml();
                                    }
                                }
                                ?>
                                <?php echo $this->getReviewsSummaryHtml($_product, true, true)?>

                                <?php echo $this->getPriceHtml($_product,true, '_jmproduct_' . rand()) ?>

                                <?php if($numberchar) : ?>
                                    <p class="pdescription"><?php echo substr(nl2br(strlen($_product->getDescription()) > 10 ? $_product->getDescription() : $_product->getShortDescription()), 0, $numberchar).'...';?></p>
                                <?php endif; ?>
<p>
                   <?php if($baseprice = Mage::helper('baseprice')->getBasePriceLabel($_product, true)): ?>
            <div class="baseprice">(<?php echo $baseprice ?>)</div>
            <?php endif; ?>
                            </div>
                        </div>
                    </li>
                <?php endforeach ?>
            </ul>
            <script type="text/javascript">decorateGeneric($$('ul.products-grid'), ['odd','even','first','last'])</script>
        <?php endif; ?>
        </div>
    <?php endif; ?>
    <div class="toolbar-bottom">
        <?php echo $this->getToolbarHtml() ?>
    </div>
    </div>
<?php
// Provides a block where additional page components may be attached, primarily good for in-page JavaScript
if ($this->getChild('after')) {
    $_afterChildren = $this->getChild('after')->getSortedChildren();
    foreach ($_afterChildren as $_afterChildName) {
        $_afterChild = $this->getChild('after')->getChild($_afterChildName);
        //set product collection on after blocks
        $_afterChild->setProductCollection($_productCollection);
        echo $_afterChild->toHtml();
    }
}
?>