织梦面包屑导航中的首页换成图片的方法

function GetPositionLink($islink=true)

    {

        if ( defined('DEDEMOB') )

        {

            $indexpage = "<a href='index.php'>".$this->indexName."</a>";

        } else{

            $indexpage = "<a href='".$this->indexUrl."'>".$this->indexName."</a>";

        }

function GetPositionLink($islink=true)

    {

        if ( defined('DEDEMOB') )

        {

            $indexpage = "<a href='index.php'>"."<img src=\"/style/cmsjzy.jpg\" class=\"cmsjzy\" alt=\"Home\">"."</a>";

        } else{

            $indexpage = "<a href='".$this->indexUrl."'>"."<img src=\"/style/cmsjzy.jpg\" class=\"cmsjzy\" alt=\"Home\">"."</a>";

        }