<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">To make it clear :<br><br><a href="http://en.wikipedia.org/wiki/Split_phase">http://en.wikipedia.org/wiki/Split_phase</a><br><br>... amazing amount&nbsp; useful info on wikipedia :)<br></td></tr></table>