function isInArray(arr,value) {
	for(var i = 0; i < arr.length; i++) {
		if(arr[i]){
			if(value == arr[i].url) {
				return i+1;
			}
		}
		
	}
	return false;
}
var this_url=window.location.href;
bs = JSON.parse(localStorage.getItem("history") || "[]");
var isin = isInArray(bs,this_url);
//console.log(isin);
//console.log(this_url,bs);
var strs='';
if(isin) {
	//bs.splice((isin-1),1);
	//bs.unshift(book_data);
	strs='<a href="'+bs[isin-1].rurl+'" class="m-shelfup">'+bs[isin-1].rzj+'</a>'
	document.write(strs);
} else {
	strs='<a href="#" class="m-shelfup">还没有阅读任何章节</a>';
	document.write(strs);
}