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Microsoft Internet Explorer
OK - Microsoft Internet Explorer
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The administrator of the gallery must have granted you permission to upload
You need to be logged in to upload
How to install
Right click on this link and select "save target as..."
Save the file on your client. When saving the file, make sure that the proposed file name is cpg_###.reg (the ### represents a numerical timestamp). Change it to that name if necessary (leave the numbers)
After the download has finished, execute the file by double clicking on it in order to register your server with the web publishing wizard
Usage
In Windows Explorer, select the files you want to upload
Make sure that the folders are not being displayed in left bar of the Explorer
click on "Publish xxx on the web" in the left pane
Confirm your file selection, Click on "next"
In the list of services that appear, select the one for your photo gallery (it has the name of your gallery)
Enter your login information if required
Select the target album for your pictures or create a new one, Click on "next"
The upload of your pictures should start
When it is completed, check your gallery to see if pictures have been properly added
XP Web Publishing Wizard Client 
OK - Windows XP / Vista
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this link