Alert box hidden

Question

Hi All,

 

In our webpage1 we have 2 radio buttions like  Yes ,No.

When we select radio button Yes then alertbox should display.

When we select radio button No then alertbox should be hidden.

 

So at every when we are landing into webpage1, due to the given radio button Yes selection. every time we are getting that alert box. 

We need that alert box but while landing to the webpage we dont required. 

 

How to stop that alert box dispalyed?