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Dreamweaver CS3 Essential Training
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Creating simple rollovers


From:

Dreamweaver CS3 Essential Training

with Garrick Chow

Video: Creating simple rollovers

So, in this movie we're going to take a look at how to create a simple rollover. A simple rollover involves two pieces of artwork. The first graphic, which is the original state, sometimes called the off state, or the out-state, meaning that the mouse is off of that image, or outside of the area of the image, and then we have the on-state, or the overstate, and that image appears when the user rolls the mouse over the image. In JavaScript terminology, this is called a "swap image", but we're not going to be writing any JavaScript from scratch because {italic}Dreamweaver{plain} makes creating a simple rollover as easy as just a few button clicks. So, we've already defined our site in the previous movie.
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  1. 1m 12s
    1. Welcome
      1m 12s
  2. 21m 0s
    1. HTML vs. XHTML
      3m 4s
    2. What is CSS?
      3m 48s
    3. What is XML?
      2m 11s
    4. What is DHTML?
      1m 9s
    5. What is JavaScript?
      1m 23s
    6. File naming conventions
      3m 22s
    7. What is an index page?
      6m 3s
  3. 46m 18s
    1. Setting up your workspace
      2m 39s
    2. The Welcome screen
      4m 11s
    3. Windows and Mac differences
      3m 18s
    4. The Insert bar
      4m 38s
    5. The Property Inspector
      1m 50s
    6. The Document toolbar
      6m 6s
    7. The Document window
      9m 11s
    8. Panels and panel groups
      6m 58s
    9. Saving workspace layouts
      2m 22s
    10. Defining a default browser
      5m 5s
  4. 24m 59s
    1. Defining a site
      9m 5s
    2. File and folder management
      3m 11s
    3. Understanding path structure
      3m 17s
    4. Adding content to a site
      6m 6s
    5. Creating a site map
      3m 20s
  5. 38m 39s
    1. Creating a new blank site
      6m 0s
    2. Creating and saving a new document
      7m 54s
    3. About DOCTYPE
      3m 59s
    4. Inserting images
      9m 26s
    5. Inserting text
      3m 35s
    6. Aligning text and images
      4m 9s
    7. Inserting meta tags
      3m 36s
  6. 45m 58s
    1. Link basics
      6m 4s
    2. Linking with Point to File
      5m 18s
    3. External links
      4m 15s
    4. Creating email links
      5m 49s
    5. Named anchors
      7m 37s
    6. Linking to a file
      7m 35s
    7. Image maps
      9m 20s
  7. 1h 8m
    1. About CSS
      4m 52s
    2. Anatomy of a style sheet
      4m 10s
    3. CSS and page properties
      10m 11s
    4. Moving an internal style sheet to an external style sheet
      6m 46s
    5. The CSS Styles panel
      3m 48s
    6. CSS selectors
      2m 37s
    7. Type selectors
      12m 13s
    8. ID selectors
      10m 21s
    9. Class selectors
      5m 42s
    10. Creating rollovers with pseudo-class selectors
      7m 22s
  8. 42m 54s
    1. CSS vs. the Font tag
      2m 42s
    2. Formatting text with the Property Inspector
      8m 41s
    3. What measurement should I use?
      3m 15s
    4. Managing white space with margins, padding, and line height
      8m 34s
    5. Using font lists
      5m 45s
    6. Aligning text
      2m 47s
    7. Creating lists
      5m 8s
    8. Creating Flash text
      6m 2s
  9. 43m 19s
    1. About tables
      1m 28s
    2. Tables in Code view
      2m 36s
    3. Creating and adding content to tables
      7m 40s
    4. Changing table borders with XHTML
      5m 46s
    5. Coloring tables with XHTML and CSS
      6m 41s
    6. Aligning table content
      6m 39s
    7. Sorting tables
      3m 6s
    8. Setting table widths
      4m 48s
    9. Creating rounded-corner tables
      4m 35s
  10. 28m 22s
    1. Dreamweaver's layout tools
      3m 8s
    2. Tracing images
      4m 58s
    3. Adding AP div tags
      7m 29s
    4. Working with Layout Tables
      6m 55s
    5. Adjusting table widths and nesting tables
      5m 52s
  11. 16m 19s
    1. What is a device?
      3m 14s
    2. Attaching a printer-friendly style sheet
      3m 5s
    3. Styling for print
      7m 41s
    4. Adobe Device Central
      2m 19s
  12. 29m 54s
    1. Rollover rules
      3m 31s
    2. Creating simple rollovers
      5m 36s
    3. Creating disjointed rollovers
      7m 12s
    4. Creating navigation bars with multiple states
      9m 21s
    5. Creating Flash buttons
      4m 14s
  13. 26m 32s
    1. Viewing the code
      6m 9s
    2. Editing in Code view
      3m 0s
    3. The Code toolbar
      5m 11s
    4. Working with Code Collapse
      4m 27s
    5. The Quick Tag Editor
      2m 20s
    6. Working with snippets
      5m 25s
  14. 32m 45s
    1. About forms
      3m 23s
    2. Adding text fields
      9m 52s
    3. Adding checkboxes and radio buttons
      5m 37s
    4. Adding lists and menus
      6m 5s
    5. Submitting form results
      3m 23s
    6. Styling form elements with CSS
      4m 25s
  15. 23m 17s
    1. Opening a new browser window
      9m 38s
    2. Creating a popup message
      2m 50s
    3. Validating text fields
      2m 42s
    4. Getting more behaviors
      7m 2s
    5. Removing extensions
      1m 5s
  16. 14m 58s
    1. External image editor preferences
      3m 18s
    2. Built-in image editing tools
      3m 11s
    3. Roundtrip editing from Dreamweaver to Fireworks or Photoshop
      4m 39s
    4. Copying and pasting
      3m 50s
  17. 34m 16s
    1. Templates in action
      5m 12s
    2. Creating a new template
      6m 36s
    3. Applying templates
      3m 36s
    4. Modifying a template
      1m 40s
    5. Adding repeating regions
      3m 28s
    6. Working with repeating regions
      3m 13s
    7. Adding optional regions
      3m 34s
    8. Creating a library item
      3m 48s
    9. Modifying a library item
      3m 9s
  18. 13m 2s
    1. Using the History panel
      4m 24s
    2. Saving History steps as commands
      3m 25s
    3. Using Find and Replace
      5m 13s
  19. 14m 44s
    1. W3C accessibility guidelines
      4m 6s
    2. Accessibility preferences
      1m 29s
    3. Inserting accessible images
      3m 2s
    4. Inserting accessible tables
      2m 53s
    5. Inserting accessible form objects
      3m 14s
  20. 26m 17s
    1. About media objects
      2m 6s
    2. Linking to audio and video files
      5m 56s
    3. Embedding audio and video files
      7m 7s
    4. Setting parameters
      4m 27s
    5. Inserting Flash content
      2m 37s
    6. Inserting Flash video
      4m 4s
  21. 28m 47s
    1. Getting site reports
      3m 35s
    2. Checking links sitewide
      3m 30s
    3. Signing up with Tripod
      6m 36s
    4. Entering remote info
      4m 13s
    5. Publishing your site
      5m 41s
    6. Updating and publishing pages
      5m 12s
  22. 44s
    1. Goodbye
      44s

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Dreamweaver CS3 Essential Training
10h 22m Beginner Apr 16, 2007

Viewers: in countries Watching now:

In Dreamweaver CS3 Essential Training, instructor Garrick Chow delves into the many powerful features of the latest version of this powerful web design application. He covers everything from the simplest basics of using Dreamweaver CS3 to applying it to develop a fully interactive, accessible site. Garrick explains the new interface features, and demonstrates how to create, edit, manage, design, and publish a professional website with Dreamweaver CS3 and complementary applications. Exercise files accompany the training.

Subject:
Web
Software:
Dreamweaver
Author:
Garrick Chow

Creating simple rollovers

So, in this movie we're going to take a look at how to create a simple rollover. A simple rollover involves two pieces of artwork. The first graphic, which is the original state, sometimes called the off state, or the out-state, meaning that the mouse is off of that image, or outside of the area of the image, and then we have the on-state, or the overstate, and that image appears when the user rolls the mouse over the image. In JavaScript terminology, this is called a "swap image", but we're not going to be writing any JavaScript from scratch because {italic}Dreamweaver{plain} makes creating a simple rollover as easy as just a few button clicks. So, we've already defined our site in the previous movie.

Let's open up the file "index.html" This is just another version of the main teacloud site we've been working with all the way up to this point. Before we actually add our image, let's go over to our Assets panel, and take a look here. The first image we're going to add is the "aboutus" image. And notice we have a couple of different states here. We have aboutus-down, aboutus-out, over, and overdown. We're only going to concern ourselves right now, with "out", and "over", and if you look closely here, you can see at that the image for "out" looks like this, and the "over" image just shows us a darker rectangle around the word About us. So, the "out" image is going to be the original image when the user rolls his, or her mouse over the image, we should see it swap over for the "over" image.

We're going to come in here, and double-click in the Navigation cell up here. We already have the Property site here so, that the buttons will be centered in this area. In the Common area of the Insert bar, among the Insert Image buttons if you click the little arrow there, you'll find Rollover image. This is how we insert a simple rollover. That opens up our Insert Rollover Image dialog box here. We can give this image a name. I'll just call this "aboutus". Notice that it's asking us here for the original image, as well as for the rollover image you're for the original image as well as the rollover image. I'm going to browse for those. Inside my assets folder, inside Images > Navigation. Here's where we'll find all the images, and in this case, we want "aboutus-out". Click Choose. now it's asking me to find the Rollover image. Go ahead and click on that, and there's "aboutus-over". Again, that's what it'll look like when the mouse rolls over that image.

We have a couple other options, here. We have "Preload rollover image", and you generally always want to keep this selected. This ensures that the rollover image graphic is loaded as soon as the page itself loads up. If this option isn't selected, the browser won't actually grab the rollover image from your web server, until user moves the mouse over the image, and that might result in a slight pause in the rollover effect. What you want is rollover effect that happens instantaneously so, it looks like the button is actually changing. We have an Alternate text field so, if you want to actually type the text that appears in this button, we can do that, and if we have an actual page that we want to link this to we can add this here, or we can do that later.

I'm just going to leave that blank for now, and click on OK. You can see that {italic}Dreamweaver{plain} has added that About Us button. Doesn't look any from when we've added other buttons. Let's go ahead and preview this in our browser. I'm going to go ahead, and save that. Let's check this out. So, now when I move my mouse over that button, sure enough, there's the rollover effect. It just looks like a dark rectangle is appearing around the text, but now that we know how we created this, we know that we're actually swapping one image out for another when this occurs, and I could just sit here and do this all day, but I won't. Let's go back to {italic}Dreamweaver,{plain} and add some more buttons. I'm going to click to the right of that button. put my insertion point in there, and the next image we want to add is the "ourproducts" rollover. We can also insert a rollover by going to the Insert menu, going to Image Objects, and choosing Rollover Image from here. This one's going to be "ourproducts", and we're just giving this an ID here, in the image name, and now we'll browse for "ourproducts-out", as the original image, and "ourproducts-over" for the rollover image. And just for brevity's sake, I'm not going to bother filling out alternate text for each one of these. We'll just go ahead and insert that in there, and we might as well finish these off.

Again, just insert my rollover image. This one will be "abouttea". There's "abouttea-out", and "abouttea-over". Go ahead and click on OK, and we've got one more to add here. Again, I'll insert a rollover image. This will be "brewingtea", and we'll find those. There's "brewingtea-out", and "brewingtea-over", and again notice that these images are exactly the same dimensions. 101 pixels x 66 pixels so, both of these images are exactly the same size. "aboutus-out" is 78 x 66, "aboutus-over" is also 78 x 66.

Again, it's very important that your rollover images are all the same dimensions. Let's go ahead, and find that image again, "brewingtea-over", and there we are. Now if you've been looking around the screen as I've been adding these, you might have noticed that for each one of these images, {italic} Dreamweaver{plain} has added a little hash-mark, or a pound sign in the link field this is sometimes called a "null link", or a "nowhere link". By putting a hash-mark in the link field, you're actually turning the object into a link, but that link goes nowhere Because, in order to attach the JavaScript to the button, the image itself has to be a link.

So, {italic}Dreamweaver{plain} automatically writes that hash-mark in there. Now, later on when you actually have pages to link to, you can then put the actual addresses in here, but for now, this null link is fine. All right, there are my rollovers. Let's check this out in the browser, and there we are. We've got simple rollovers working just the way they're supposed to. So, that's how easy it is to create a simple rollover, but it gets even better. In the very next movie, we'll take a look at how to create disjointed rollovers.

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