//遇到刊期调整，应修改模板对应内容，重新应用模板

function calcnum(setY,setM,setD,setN){

//分析URL
var curUrl = window.location.href;
//alert(curUrl);   
var re = /\/(\d{4})-(\d{2})\/(\d{2})\/node_(\d+).htm/im;
if(curUrl.match(re))
   {
   	curY = RegExp.$1;
   	curM = RegExp.$2;
   	curD = RegExp.$3;
	//alert(firstPageid);
   	//alert(tY);
   }
else
   {
	re = /\/(\d{4})-(\d{2})\/(\d{2})\/content_(\d+).htm/im;
    if(curUrl.match(re))
        {
		curY = RegExp.$1;
   		curM = RegExp.$2;
   		curD = RegExp.$3;
		//alert(firstPageid);
   		//alert(tY);
		}
   }

//日期间隔
daysDiff=(Date.UTC(curY,curM-1,curD)-Date.UTC(setY,setM-1,setD))/1000/60/60/24;
//alert(daysDiff);

//换算
return (setN+Math.floor(daysDiff/7)*3+Math.floor((daysDiff % 7)/2));
}