Input number of seconds, get a string back that shows days, hours, minutes, seconds

<lsl> /*

 *  Submitted Opensource under GPL 3.0
 *  2010 Fire Centaur
 *  Description: 
 *  
 *  Input number of seconds, function will return a string with Days, Hours, Minutes, Seconds
 *  Corrections by Traven Sachs to Display Correct Output allowing for 0 seconds or more than 1 day 
 *     and improve readability with whitespace 19-Feb-2011
 */

string getTime(integer secs) {

   string timeStr;
   integer days;
   integer hours;
   integer minutes;

   if (secs>=86400)
   {
       days=llFloor(secs/86400);
       secs=secs%86400;
       timeStr+=(string)days+" day";
       if (days>1) 
       {
           timeStr+="s";
       }
       if(secs>0) 
       {
           timeStr+=", ";
       }
   }
   if(secs>=3600)
   {
       hours=llFloor(secs/3600);
       secs=secs%3600;
       timeStr+=(string)hours+" hour";
       if(hours!=1)
       {
           timeStr+="s";
       }
       if(secs>0)
       {
           timeStr+=", ";
       }
   }
   if(secs>=60)
   {
       minutes=llFloor(secs/60);
       secs=secs%60;
       timeStr+=(string)minutes+" minute";
       if(minutes!=1)
       {
           timeStr+="s";
       }
       if(secs>0)
       {
           timeStr+=", ";
       }
   }
   if (secs>0)
   {
       timeStr+=(string)secs+" second";
       if(secs!=1)
       {
           timeStr+="s";
       }
   }
   return timeStr;

} </lsl>