Totally new to flash (need help)

Hi ,i need to make a textInput box with a scroll bar .In a tutorial that i took from this site it says that i must drag the scroll bar into the input box,but i can’t see any into the Components list;
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[]Create a new input box, name it textBox, and change the line type to Multiline.
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]Drag the scrollbar component onto the input box; give the scrollbar an instance name of scroll1 and make sure the target text field is textBox.(how do i do this???)
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[/list][font=Arial]ThankX! [/font]