Copy and paste this code into your website.
<a href="http://www.gpshoresmi.gov/login.aspx?ReturnUrl=/login.aspx?ReturnUrl=%2Flogin.aspx%3FReturnUrl%3D%252Flogin.aspx%253FReturnUrl%253D%25252Flogin.aspx%25253FReturnUrl%25253D%2525252F">Your Link Name</a>