protected function _getMergedAddressFields()
    {
        $sDelAddress = '';
        $sDelAddress .= $this->oxuser__oxcompany;
        $sDelAddress .= $this->oxuser__oxusername;
        $sDelAddress .= $this->oxuser__oxfname;
        $sDelAddress .= $this->oxuser__oxlname;
        $sDelAddress .= $this->oxuser__oxstreet;
        $sDelAddress .= $this->oxuser__oxstreetnr;
        $sDelAddress .= $this->oxuser__oxaddinfo;
        $sDelAddress .= $this->oxuser__oxustid;
        $sDelAddress .= $this->oxuser__oxcity;
        $sDelAddress .= $this->oxuser__oxcountryid;
        $sDelAddress .= $this->oxuser__oxstateid;
        $sDelAddress .= $this->oxuser__oxzip;
        $sDelAddress .= $this->oxuser__oxfon;
        $sDelAddress .= $this->oxuser__oxfax;
        $sDelAddress .= $this->oxuser__oxsal;

        return $sDelAddress;
    }