/* 
	Jolin Yim
	jolin_yim@wgbh.org
	03.29.11
   ----------------------------------------------------*/
$(document).ready(function(){
	
	$('#hilites li').addClass('hide');
	var len = $('#hilites li').length;
	var today = new Date();
	var currentWk = getWeek(today);
	if($('#hilites').hasClass('fixed'))
	{
		currentWk=1;
	}
	var indx = Math.ceil(currentWk % len);	
	//console.log("indx: "+indx);
	//alert("index: "+indx);
	$('#hilites li:nth-child('+indx+')').removeClass('hide');
	
});


function getWeek(d) {
    
 var day = d.getDay();
 if(day == 0) day = 7;
 d.setDate(d.getDate() + (4 - day));
 var year = d.getFullYear();
 var ZBDoCY = Math.floor((d.getTime() - new Date(year, 0, 1, -6)) / 86400000);
 return 1 + Math.floor(ZBDoCY / 7);
}