ProgressScroll is a plugin which calculates how is our web page's height, and where are you when you scroll down or up.
<script src="jquery.min.js"></script>
<script src="../jquery.progressScroll.min.js"></script>
or
bower install progressscroll
$(selector).progressScroll();
#####width
default: 100
options: integer
#####height
default: 100
options: integer
#####borderSize
default: 10
options: integer
#####mainBgColor inner counter background color
default: "#E6F4F7"
options: string
#####lightBorderColor main border color
default: "#A2ECFB"
options: string
#####darkBorderColor filled border color
default: "#39B4CC"
options: string
#####fontSize
default: "30px"
options: string
@author Mario Vidov
@url www.vidov.it
@twitter MarioVidov
MIT license