Displaying image in oracle report

I want to add an image from file system in oracle report (By using the formula column on report column condition), the image path I gave is like \\pics\pic123.jpg

while running the report on design time from my laptop it works fine and displays the image but when I deploy the report on WebLogic server it gives me an error that the file not found. Both design time and server are in the same domain. (If I try to navigate the URL \\pics\pic123.jpg in the server where WebLogic s