[](http://www.uploadify.com) # rollover Input Type:**boolean** Input Format:**true / false** Default:**false** Required:**optional** Enabling the **rollover** option will activate rollover states for the flash button. Rollover buttons have their hover and active states in the same file below the off state (see example). This option should be used in conjunction with the **buttonImg** option. ### Demo Javascript Code 1. $('#file_upload').uploadify({ 1. ? 'uploader' ? ?: '/uploadify/uploadify.swf', 1. ? 'script' ? ? ?: '/uploadify/uploadify.php', 1. ? 'cancelImg' ? : '/uploadify/cancel.png', 1. ? 'folder' ? ? ?: '/uploads', 1. ? 'buttonImg' ? : '/wp-content/uploads/rollover-button.png', 1. ? 'rollover' ? ?: true 1. }); HTML Code 1. <inputtype="file"id="file_upload"name="file_upload"/> 1. <ahref="javascript:$('#file_upload').uploadifyUpload();">Upload Files</a> [Upload Files](#) [](#) Help keep Uploadify free and support the development of other excellent apps!  [home](#) ?|? [about](#) ?|? [download](#) ?|? [demos](#) ?|? [documentation](#) ?|? [faqs](#) ?|? [forums](#) ?2011 by [Reactive Apps](http://www.reactiveapps.com)