In the pic below they call it the tilt wheel
If you have a wheel mouse and are using Internet Explorer you can use the wheel to alter the size of the text on most Web sites.
To do so, just hold down the [CTRL] key as you spin the button up and down. As you do the text will either increase or decrease depending on which way your move the wheel.
Moving the tilt wheel towards you will decrease the font size moving away from you will increase the font size
Here is video on how to do it another way
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If that doesn't work I'll get on teamveiwer to help you but I have to charge you a nominal fee. :mj07: