see this

gistfile1.txt

/////////controller
public function getowner() {
        $id = $_GET['id'];
               
        $data = $this->Powners->get($id);
        $petowner = $data->oname;
        $ostreet = $data->ostreet;
       
        
        $retvalue = $petowner . "|" . $ostreet;
        
	echo $retvalue;
        exit;
                
    }






///////////Jquery

$("#myTable td:nth-child(1)").click(function(event)
{
event.preventDefault();
var $td= $(this).closest('tr').children('td');
var currentCellText = $td.eq(0).text();
var CellText = $td.eq(1).text();
$.ajax({
  url:'<?php echo "getowner";?>',
  type: 'GET',
  data: 'id='+currentCellText,
  success: function(data) {
  //window.opener.$('input#petowner').val(data.petowner);
  alert(data);
  var mystr = data.split("|");

  window.opener.$('#petowner').val(mystr[0]);
  window.opener.$('#ostreet').val(mystr[1]);
   
  self.close();
  }
  });
});// JavaScript Document