Conditional Formatting for dates in Excel 2003

Hello,

I am having great difficulty in applying conditional formatting to a column that contains dates and blanks so I hope somebody here can help. In Column F I have these dates and blanks. I need the following conditions to apply:

Condition 1: If date is today, the cell turns Red.

Condition 2: Any date in the next three days turns Orange

Condition 3: Blank is purple.

I know how to Condition 3, that one is easy, but does anybody here know how to Apply Condition 1 and Condition 2?

Thanks in advance.