XBOX 360 connection to Monitor.

Hey guys I was hoping for some help since I am not the most technical savy person in the world...

I am looking to connect my 360 to my computer monitor which is a 19" ViewSonic VA912b which is non HD monitor.. It has both DVI and VGA inputs with speakers attached... Ive found this cable (link below) which does HD connection through VGA port ... I was wondering if it will still work with my monitor before I buy it... I think it will work... I would appreciate the feedback.. thanks...

( Link: http://www.bestbuy.com/site/olspage.jsp?skuId=7479604&productCategoryId=abcat0715004&type=product&tab=7&id=1126591946321#productdetail)

Thanks