Adobe 38039481 User Guide - Page 488

FLASH CS3 482 User Guide • Do you have adequate descriptions for navigating the site's structure? • Is the SWF file content read when it is updated or refreshed? • If you change the context of any elements on the Stage (such as a button that changes from Play to Pause), is that change announced by the screen reader? No official tool is available for validating SWF files, unlike HTML validation. However, some third-party tools exist to help you validate the file. For more information on these extensions, see www.adobe.com/go/flash_extensions. Advertising with Flash Using recommended dimensions Use the Interactive Advertising Bureau (IAB) guidelines to set dimensions for your Flash advertisements. The following table lists the recommended Interactive Marketing Unit (IMU) ad formats measurements: Type of advertisement Wide skyscraper Skyscraper Half-page ad Full banner Half banner Micro bar Button 1 Button 2 Vertical banner Square button Leaderboard Medium rectangle Square pop-up Vertical rectangle Large rectangle Rectangle Dimensions (pixels) 160 x 600 120 x 600 300 x 600 468 x 60 234 x 60 88 x 31 120 x 90 120 x 60 120 x 240 125 x 125 728 x 90 300 x 250 250 x 250 240 x 400 336 x 280 180 x 150 When you create a FLA file from a template (Select File > New, and click the Templates tab), you see many of these sizes. Creating SWF file advertisements Use these guidelines when you create advertisements: • Optimize your graphics. Make SWF file banner advertisements 15K or smaller.