Ajax return value เพื่่่อ นำมาใช้งาน imge src อีก server หนึ่ง

			function GetPicxx(filename,path){
			
					var result;
				
						var url = 'TicketPrioritys/showImg.php?image='+filename+'&temp='+path;
						$.ajax({ 
						url : url, 
						processData : false,
						}).always(function(b64data){
						 result = b64data; 
						});
						
				return  result
			}

<?
$image = $_REQUEST['image'];
$temp = $_REQUEST['temp'];
$temp1=strtoupper ( $temp);
$filename = "\\\erp\SL-Images\\".$temp1."\\" . $image ."_".$temp.".jpg";
echo "data:image/png;base64," . base64_encode(file_get_contents($filename)); 
?>