tailieunhanh - 50 FAST DREAMWEAVER MX TECHNIQUES phần 6

roviding yếu tố điều hướng văn bản, chẳng hạn như một hiển thị trong hình 27,2 (CP 42), là một trong những cách đơn giản nhất để làm cho các trang web của bạn dễ tiếp cận hơn cho những người khuyết tật, cũng như những người bị giới hạn bởi các kết nối chậm. | 27 TECHNIQUE PROVIDING MULTIPLE NAVIGATION OPTIONS CP 41 CP 42 NOTE You can find all of the files used in this technique in the folder called Technique 27 on the CD-ROM. Providing text navigation elements such as the one shown in Figure CP 42 is one of the simplest ways to make your Web pages more accessible to those with disabilities as well as those limited by slow connections. The images with the rollover effect shown in Figure CP 41 provide an excellent design option and intuitive user interface but those images take longer to load than text and won t be visible to everyone. Even if you provide alternative text behind your images as described in Technique 26 providing a list of text links at the bottom of your pages is a commonly recognized alternative to graphic options and saves viewers time and effort. STEP 1 CREATE A TEXT NAVIGATION ROW Type to enter a text description for each of the pages you link to in your navigation row. Separating each word or phrase with a non-text element such as the vertical bar or the tilde is good. 127 128 Chapter 6 Designing for High Accessibility and Low Bandwidth Create links for each of the words or phrases as you would for images in a navigation bar. If you use one big image and want to create an image map Technique 3 in Chapter 1 shows you how. Save the text navigation row as a part of a template or as a library element to make it easy to place on multiple pages. See Technique 38 in Chapter 8 to find out how to use templates for this purpose. STEP 2 MAKE A TEXT NAVIGATION ROW A LIBRARY ITEM After you type in the navigation row and set all of the links click the Assets tab in the Files panel and select the Library icon from the bottom left as shown in Figure . Click to highlight the entire navigation row as shown in Figure and drag it onto the Library Assets panel. It automatically is added as a library item. Name the library item something you ll remember when you need it next. I ve named mine .