The different locations for an advertisement dictates the sizes of advertisments that are allowed. Below you will see examples of each type of size. 1. Header: There are two size options in this location: 468 x 60 - Full Banner 234 x 60 - Half Banner 2. Right column: There are many different sizes for this location listed below: 120 x 60 - Button 1 120 x 90 - Button 2 120 x 240 - Vertical Banner 125 x 125 - Square Button 160 x 600 - Wide Skyscraper 120 x 600 - Skyscraper 3. Location 3 typically contains text advertisements, and at present is only availiable for the protocol pages. Please contact us for pricing or any questions you may have.

120 x 60 - Button 1	120 x 90 - Button 2
120 x 240 - Vertical Banner	125 x 125 - Square Button

160 x 600 - Wide Skyscraper

120 x 600 - Skyscraper

Please contact us for pricing or any questions you may have.