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Date.prototype.getWeek=function(dowOffset){dowOffset=typeof dowOffset=="int"?dowOffset:0;var newYear=new Date(this.getFullYear(),0,1);var day=newYear.getDay()-dowOffset;day=day>=0?day:day+7;var daynum=Math.floor((this.getTime()-newYear.getTime()-(this.getTimezoneOffset()-newYear.getTimezoneOffset())*6E4)/864E5)+1;var weeknum;if(day<4){weeknum=Math.floor((daynum+day-1)/7)+1;if(weeknum>52){nYear=new Date(this.getFullYear()+1,0,1);nday=nYear.getDay()-dowOffset;nday=nday>=0?nday:nday+7;weeknum=nday<4?
1:53}}else weeknum=Math.floor((daynum+day-1)/7);return weeknum};window.onpopstate=function(event){if(event.state==null)return;document.location.reload()};