scrol to the top

To make a scrol to the top with a green arrow image

  I just save the red code below:

<a href='#' style='display:scroll;position:fixed;bottom:5px;right:5px;' title='back to top'><img src='http://4.bp.blogspot.com/-9vPjZEbzf-E/T-t8J-s0IHI/AAAAAAAAAgI/ElArse-qIFc/s1600/arrow_up_green.png'/></a>
 
see example on the right