if(diff < 0){ return dojox.posix.getIsoWeeksInYear(weekStart); } 
if(diff < 0){ return dojox.date.posix.getIsoWeeksInYear(weekStart); } 
dojox.posix.getIsoWeekOfYear = function(/*Date*/dateObject){	// summary: Get the ISO8601 week number of the given date.	//   The week containing January 4th is the first week of the year.	//   See http://en.wikipedia.org/wiki/ISO_week_date	var weekStart = dojox.posix.getStartOfWeek(dateObject, 1);	var yearStart = new Date(dateObject.getFullYear(), 0, 4); // January 4th	yearStart = dojox.posix.getStartOfWeek(yearStart, 1);	var diff = weekStart.getTime() - yearStart.getTime();	if(diff < 0){ return dojox.posix.getIsoWeeksInYear(weekStart); } // Integer	return Math.ceil(diff / 604800000) + 1; // Integer}
5168	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5168/19b95918681dde28f5af8a4c290e31c7d041c16e/posix.js/clean/date/posix.js