Open a new flash document 550 X 100. Change the background to a color of your choice. Click on the text tool and type some text on the canvas.
Center the text on the canvas by selecting the horizontal and vertical align buttons on the Align panel. Make sure that To stage is also selected.
Next you will need to convert the text to a symbol. Click on the text to select it, click Modify > Convert to Symbol:
Name it Text and make it a movie clip.
Now you will need to put a filter on your text. Click the Filters tab on the properties pane:
Click the plus button and select glow from the menu options set to the following settings:
Your text should have a soft glow similar to the picture shown below:
Click in frame 15 and hit F6 to insert a keyframe. Click in frame 30 and hit F6 to insert a keyframe. Your timeline should look similar to the one below:
In frame 15 we want to make the glow more prominent. Click in frame 15 and change the filter settings to:
Click anywhere between frames 1 and 15 on the timeline and on the Properties panel select motion from the tween option and the ease set to -100 as shown below. This eases the tween in slowly by setting it to -100:
Click anywhere between frames 15 and 30 on the timeline and on the Properties panel select motion from the tween option and the ease set to 100 as shown below. This eases the tween in faster by setting it to 100:
Click Ctrl + Enter to view the results. Now you will need to export it as a movie. File > Export > Movie. Select Flash Movie (*swf) as type and type in a name. Now the text is ready for a webpage.