I've already made an image map in photoshop, now how can I upload it into the net? can i put it in an html box?

When you saved the Image Map you should have gotten an image to Save the HTML, or the HTML and image and so on. You need to have saved the HTML and then go to the folder in which you saved the HTML file. Open it up and copy and paste the code into wherever you want it to be. You will also need to upload the 'Images' folder that was saved as well into the same directory as the HTML code will be located. If you cannot do that, upload the images somewhere and you will have to manually change the URL for each 'box' in the image map HTML to the correct URL of the uploaded image.