Vignette Corp. announced that it has signed a definitive agreement to acquire Tower Technology Pty Ltd. The acquisition will bring together content management, collaboration and portal solutions with integrated enterprise document and records management solutions to offer an enterprise content management solution upon which to base and manage enterprise Web initiatives. Vignette will pay $125 million, comprised of $45 million in cash and $80 million in Vignette stock; the stock portion of the transaction equates to approximately 29.8 million shares. Tower Technology has three primary products: Tower IDM – a Web-enabled, document processing system for managing unstructured business information, including images, forms, computer-generated reports, statements and invoices, office documents and e-mail; Tower Seraph – a records management solution; and Tower WebCapture – which provides the ability to capture and aggregate the content that constitutes an online transaction and to automatically create a permanent, unalterable visual transaction log and audit trail.,