function y2k(number) { return (number < 1000) ? number + 1900 : number; }

function newtag(whenMonth,whenDay,whenYear,age) {
var now = new Date();
var then = new Date(y2k(whenYear),whenMonth-1,whenDay);

var difference = Date.UTC(y2k(now.getYear()),now.getMonth(),now.getDate(),0,0,0) -
                 Date.UTC(y2k(then.getYear()),then.getMonth(),then.getDate(),0,0,0);

 difference = difference/(1000*60*60*24);	 
 if (difference < age)  
   document.write('<img alt="Brand New" src="http://www.osst.us/new1.gif" height="15" width="30" />')
 else if (difference < (age*2)) 
   document.write('<img alt="Kind of New" src="http://www.osst.us/new2.gif" height="15" width="30" />');
return;
}