Statistical chart

Hi,
I would like to plot a chart in excel as under:-
Stock price with Date ( I have this data and plotted the data)
Plot regression trend line ( have done this also)
Plot a line one std dev above and another std dev below the regression line ( dont know how to do this)
Plot a line 2 std dev above and another std dev below the regression line ( dont know how to do this)
Can someone pls help me with this.
Thanks in advance
Novice

cross posted without links:
http://www.mrexcel.com/forum/excel-questions/952825-stock-chart-std-dev-plot.html
novice, for your information, you should always provide links to your cross posts.
This is a requirement, not just a request.
If you have cross posted at other places, please add links to them too.
Why? Have a read of http://www.excelguru.ca/content.php?184