function currWeek()
/**
* Returns the date one day before the one entered, regardless of year or day of month.
* Y-m-d
* @return $dateBefore
* @param object $mydate
*/
function getDayBefore($mydate){
$mydate = explode("-", $mydate);
$myyear = $mydate[0];
$mymonth = $mydate[1];
$myday = $mydate[2];
$dateBefore = mktime(0,0,0, $mymonth, $myday-1, $myyear);
$dateBefore = date('Y-m-d',$dateBefore);
return $dateBefore;
}