Images in description don't show

Hello

I have this problem: images of the description field work well in localhost but they
disappear when website is online. here is a screenshot

[attachment:1]images-problem.jpg[/attachment]

I am using a absolute path to place the images and they show in the editor but disappear from frontend.

I also noticed that when the website is uploaded the editor delete the absolute path and leave only the image name:

here is the screenshot

if you can help it will be greatly appreciated!