HariesDesign.com This tutorial will show you how to add tool tips to any flash project. Tool tips are extremely useful for informing users of what is interactive in a flash project. please hover this button :

Step 1 

Create new Document set Dimension 300 px X 100 px

Use Rectangle Tool and Set Corner Radius with 8 point, like this :

Step 3 

Use gradient color for fill color, and transparent for Stroke color

Step 4 

Apply on layer document, create square shape like shown in this picture :

Step 5 

With Paint Fill menu,

klick and hold on your left mouse, then drug from down to up like this

Step 6 

Select and press F8 to convert button types , name it with botton1

Step 7

Add text with Text Tools

you can modify color between up and over like this :

and

Step 8
 
Back to the scene 1 on properties, insert instance name with menu1

Step 9

On the library box  left click on your mouse, then press new symbol select movie clip type, name it toolTip and check on linkage like shown :

Step 10 

Create text box to that symbol

On properties panel, change with dynamic text and insert instance name with message,

Now you have 2 item on the library

Step 11

Now you just add this script , click on frame, and then open action add this script :

Press Ctrl+Enter to view