public function renderModal()
    {
        $this->_modal = '
        <div class="tooltabmodal modal fade" id="'.$this->getModalId().'" aria-hidden="true" style="display: none; " '. $this->getAttributes() . '>
        	<div class="modal-dialog">
        		<div class="modal-content">
        			<div class="modal-body padding-none">
        				<div class="wizard">
        					<div class="widget widget-tabs widget-tabs-double widget-tabs-responsive margin-none border-none">
                                '. $this->getTabs() .'
                                '. $this->getContents() .'
        					</div>
        				</div>
        			</div>
                    '.$this->getCloseButton().'
        		</div>
        	</div>
        </div>';
        
        return $this->_modal;
    }