NormalizeTime(PRInt64 aTime)
NormalizeTime(PRTime aTime)
NormalizeTime(PRInt64 aTime){  // normalize both now and date to midnight of the day they occur on  PRExplodedTime explodedTime;  PR_ExplodeTime(aTime, PR_LocalTimeParameters, &explodedTime);  // set to midnight (0:00)  explodedTime.tm_min =    explodedTime.tm_hour =    explodedTime.tm_sec =    explodedTime.tm_usec = 0;  return PR_ImplodeTime(&explodedTime);}