week = j / 7; 
week = Math.ceil(j / 7); 
	W: function(){		// summary: ISO-8601 week number of year, weeks starting on Monday (added in PHP 4.1.0)		var week;		var jan1_w = new Date(this.date.getYear(), 1, 1).getDay() + 1;		var w = this.date.getDay() + 1;		var z = parseInt(this.z());		if(z <= (8 - jan1_w) && jan1_w > 4){			if(jan1_w == 5 || (jan1_w == 6 && Boolean(this.L()))){				week = 53;			}else{				week = 52;			}		}else{			var i;			if(Boolean(this.L())){				i = 366;			}else{				i = 365;			}			if((i - z) < (4 - w)){				week = 1;			}else{				var j = z + (7 - w) + (jan1_w - 1);				week = j / 7;				if(jan1_w > 4){					--week;				}			}		}				return week;	},
5168	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5168/8dcd6a5fe92621a1c5e6ee8b91404ccf8ba01b15/php.js/clean/date/php.js