navigating to sub folder

navigating to sub folder

i need to redirect on page load to to sub folder aspx page from index.html
page. i m using following code and getting error.
window.location.href = 'URL= HMIS/Login.aspx'</script>
Error
resource cannot be found.
Description: HTTP 404. The resource you are looking for (or one of its
dependencies) could have been removed, had its name changed, or is
temporarily unavailable. Please review the following URL and make sure
that it is spelled correctly.
Requested URL: /URL= /HMIS/Login.aspx