{assign var=logo value="@if( image.toString('url') !== '' && image.toString('url') !== 'url()') {@image.toString('url')}"}
{if isset($logo_url)}{assign var=logo value=$logo_url}{/if}
@if(href !== '') {
{assign var=logoLink value="@href"}
} else {
{assign var=logoLink value="$base_dir"}
}
<a id="header_logo" class="@classNames" href="{$logoLink}"@if( (target !== '')) { target="@target"} title="@if (screenTip !== ''){@screenTip}else{ {$shop_name|escape:'htmlall':'UTF-8'} }">
    <img class="logo @imageStyle.classNames" src="{$logo}"{if isset($logo_url)}{if $logo_image_width} width="{$logo_image_width}"{/if}{if $logo_image_height} height="{$logo_image_height}"{/if}{/if} alt="{$shop_name|escape:'htmlall':'UTF-8'}" />
</a>