date.js error evaluating JavaScript at line: 1211

I am running Apache 2.0 on XP with Sablotron using exslt's func:script.  I
have successfully used other date javascript calls, but add is not
working.

I try a basic call like:
<xsl:variable name="start_display" 
  select="date:add('1970-01-01T00:00:00', 'P1M')"/> 

And get the error:
error evaluating JavaScript (line: 1211; msg: 'SyntaxError: missing ;
before statement' token: 'undefined')

Line 1211 from date.js is at the -->:
function Duration(pm, years, months, days, hours, minutes, seconds,
fraction){
	this.pm = pm;
	this.years = years*1;
	this.months = months*1;
	this.days = days*1;
	this.hours = hours*1;
	this.minutes = minutes*1;
	this.seconds = seconds*1;
	this.fraction = fraction*1;
-->	this.milliseconds = eval('0.'+fraction) * 100;


Has anyone else experienced this?  

-Elisabeth Shyjka Baute

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