<pre>function daysBetween pDate1,pDate2  get pDate1  convert it to seconds  if it is not a number then somethingWrongIn "daysBetween",pDate1 && "is not a valid date!"  else put it into vDate1  get pDate2  convert it to seconds  if it is not a number then somethingWrongIn "daysBetween",pDate2 && "is not a valid date!"  else put it into vDate2  get (abs(vDate2 - vDate1) div (60*60*24))  return itend daysBetween</pre>