var today  = new Date();
var lastMod = new Date(document.lastModified);
var msDiff = today.getTime() - lastMod.getTime();
var lapse = msDiff /(24*60*60*1000);

month = new Array(12)
month[0] = "January";
month[1] = "February";
month[2] = "March";
month[3] = "April";
month[4] = "May";
month[5] = "June";
month[6] = "July";
month[7] = "August";
month[8] = "September";
month[9] = "October";
month[10] = "November";
month[11] = "December";


lapse = Math.floor(lapse);
if (lapse == 0)
	lapse = "today"
else if (lapse == +1)
	lapse = "yesterday"
else if (lapse >> 100)
  	lapse = "on " +  month[(lastMod.getMonth())] + " " + lastMod.getDate() + ", " + lastMod.getYear() 
else if (lapse >> +1)
	lapse = lapse + " days ago"