var checkbg = "#A7A7A7";
function nr_setbg(intype){
	var huyandiv = document.getElementById("huyandiv");
	var light = document.getElementById("lightdiv");
	if(intype == "huyan"){
		if(huyandiv.className == "button huyanon"){
			document.cookie="light=huyan;path=/"; 
			set("light","huyan");
		}
		else{
			document.cookie="light=no;path=/"; 
			set("light","no");
		}
	}
	if(intype == "light"){
		if(light.innerHTML == "关灯"){
			document.cookie="light=yes;path=/";
			set("light","yes");
		}
		else{
			document.cookie="light=no;path=/"; 
			set("light","no");
		}
	}
	if(intype == "big"){
		document.cookie="font=big;path=/";
		set("font","big");
	}
	if(intype == "middle"){
		document.cookie="font=middle;path=/"; 
		set("font","middle");
	}
	if(intype == "small"){
		document.cookie="font=small;path=/"; 
		set("font","small");
	}		
}

//内容页读取设置
function getset(){ 
	var strCookie=document.cookie; 
	var arrCookie=strCookie.split("; ");  
	var light;
	var font;

	for(var i=0;i<arrCookie.length;i++){ 
		var arr=arrCookie[i].split("="); 
		if("light"==arr[0]){ 
			light=arr[1]; 
			break; 
		} 
	} 

	//light
	if(light == "yes"){
		set("light","yes");
	}
	else if(light == "no"){
		set("light","no");
	}
	else if(light == "huyan"){
		set("light","huyan");
	}
}


//内容页读取设置
function getset1(){ 
	var strCookie=document.cookie; 
	var arrCookie=strCookie.split("; ");  
	var light;
	var font;

	for(var j=0;j<arrCookie.length;j++){ 
		var arr=arrCookie[j].split("="); 
		if("font"==arr[0]){ 
			font=arr[1]; 
			break; 
		} 
	} 

	//font
	if(font == "big"){
		set("font","big");
	}
	else if(font == "middle"){
		set("font","middle");
	}
	else if(font == "small"){
		set("font","small");
	}
	else{
		set("font","middle");	
	}
}

//内容页应用设置
function set(intype,p){
	var nr_body = document.getElementById("read");//页面body
	var huyandiv = document.getElementById("huyandiv");//护眼div
	var lightdiv = document.getElementById("lightdiv");//灯光div
	var fontfont = document.getElementById("fontfont");//字体div
	var fontbig = document.getElementById("fontbig");//大字体div
	var fontmiddle = document.getElementById("fontmiddle");//中字体div
	var fontsmall = document.getElementById("fontsmall");//小字体div
	var nr1 =  document.getElementById("chaptercontent");//内容div
	//var nr_title =  document.getElementById("top1");//文章标题
	//var nr_title =  document.getElementById("nr_title");//文章标题
	//var shuqian_2 = document.getElementById("shuqian_2");//书签链接
	
	//var pt_prev =  document.getElementById("pt_prev1");
	//var pt_mulu =  document.getElementById("pt_mulu1");
	//var pt_next =  document.getElementById("pt_next1");
	//var pb_prev =  document.getElementById("pb_prev1");
	//var pb_mulu =  document.getElementById("pb_mulu1");
	//var pb_next =  document.getElementById("pb_next1");

	
	//灯光
	if(intype == "light"){
		if(p == "yes"){	
			//关灯
			lightdiv.innerHTML = "开灯";
                        lightdiv.className="button lighton";
			nr_body.style.backgroundColor = "#111";
			huyandiv.className = "button huyanon";
			//nr_title.style.color = "#ccc";
			nr1.style.color = "#999";
			//pt_prev.style.cssText = "background-color:#222;color:#0065B5;";
			//pt_mulu.style.cssText = "background-color:#222;color:#0065B5;";
			//pt_next.style.cssText = "background-color:#222;color:#0065B5;";
			//pb_prev.style.cssText = "background-color:#222;color:#0065B5;";
			//pb_mulu.style.cssText = "background-color:#222;color:#0065B5;";
			//pb_next.style.cssText = "background-color:#222;color:#0065B5;";
			//shuqian_2.style.color = "#999";
		}
		else if(p == "no"){
			//开灯
			lightdiv.innerHTML = "关灯";
			lightdiv.className="button lightoff";
			nr_body.style.backgroundColor = "#fff";
			nr1.style.color = "#111";
			//nr_title.style.color = "#000";
			huyandiv.className = "button huyanon";
			//pt_prev.style.cssText = "";
			//pt_mulu.style.cssText = "";
			//pt_next.style.cssText = "";
			//pb_prev.style.cssText = "";
			//pb_mulu.style.cssText = "";
			//pb_next.style.cssText = "";
			//shuqian_2.style.color = "#000";
		}
		else if(p == "huyan"){
			//护眼
			lightdiv.innerHTML = "关灯";
                        lightdiv.className="button lightoff";
			huyandiv.className="button huyanoff";
			nr_body.style.backgroundColor = "#CCE8CF";
			nr1.style.color = "#000";
			//pt_prev.style.cssText = "background-color:#0E7A18;color:#000;";
			//pt_mulu.style.cssText = "background-color:#0E7A18;color:#000;";
			//pt_next.style.cssText = "background-color:#0E7A18;color:#000;";
			//pb_prev.style.cssText = "background-color:#0E7A18;color:#000;";
			//pb_mulu.style.cssText = "background-color:#0E7A18;color:#000;";
			//pb_next.style.cssText = "background-color:#0E7A18;color:#000;";
			shuqian_2.style.color = "#000";
		}
	}
	//字体
	if(intype == "font"){
		fontbig.className="sizebg";
		fontmiddle.className="sizebg";
		fontsmall.className="sizebg";
		if(p == "big"){
			fontbig.className="button sizebgon";
			nr1.style.fontSize="25px";
		}
		if(p == "middle"){
			fontmiddle.className="button sizebgon";
			nr1.style.fontSize = "20px";
		}
		if(p == "small"){
			fontsmall.className="button sizebgon";
			nr1.style.fontSize = "14px";
		}
	}
}



function LastRead(){this.bookList="bookList"}
LastRead.prototype={
	set:function(bid,tid,title,texttitle,author,sortname){
		if(!(bid&&tid&&title&&texttitle&&author&&sortname))return;
		var v=bid+'#'+tid+'#'+title+'#'+texttitle+'#'+author+'#'+sortname;
		this.setItem(bid,v);
		this.setBook(bid)
	},
	get:function(k){
		return this.getItem(k)?this.getItem(k).split("#"):"";
	},
	remove:function(k){
		this.removeItem(k);
		this.removeBook(k)
	},
	setBook:function(v){
		var reg=new RegExp("(^|#)"+v);
		var books =	this.getItem(this.bookList);
		if(books==""){
			books=v
			}
		 else{
			 if(books.search(reg)==-1){
				 books+="#"+v
				 }
			 else{
				  books.replace(reg,"#"+v)
				 }
			 }
		this.setItem(this.bookList,books)
	},
	getBook:function(){
		var v=this.getItem(this.bookList)?this.getItem(this.bookList).split("#"):Array();
		var books=Array();
		if(v.length){
			for(var i=0;i<v.length;i++){
				var tem=this.getItem(v[i]).split('#');
				if (tem.length>3)books.push(tem);
				}
			}
		return books
	},
	removeBook:function(v){
	    var reg=new RegExp("(^|#)"+v);
		var books=this.getItem(this.bookList);
		if(!books){
			books=""
			}
		 else{
			 if(books.search(reg)!=-1){
			      books=books.replace(reg,"")
				 }
			 }
		this.setItem(this.bookList,books)
	},
	setItem:function(k,v){
		if(!!window.localStorage){
			localStorage.setItem(k,v);
		}
		else{
			var expireDate=new Date();
			  var EXPIR_MONTH=30*24*3600*1000;
			  expireDate.setTime(expireDate.getTime()+12*EXPIR_MONTH)
			  document.cookie=k+"="+encodeURIComponent(v)+";expires="+expireDate.toGMTString()+"; path=/";
		}
	},
	getItem:function(k){
		var value=""
		var result=""
		if(!!window.localStorage){
			result=window.localStorage.getItem(k);
			 value=result||"";
		}
		else{
			var reg=new RegExp("(^| )"+k+"=([^;]*)(;|\x24)");
			var result=reg.exec(document.cookie);
			if(result){
				value=decodeURIComponent(result[2])||""}
		}
		return value
	},
	removeItem:function(k){
		if(!!window.localStorage){
		 window.localStorage.removeItem(k);
		}
		else{
			var expireDate=new Date();
			expireDate.setTime(expireDate.getTime()-1000)
			document.cookie=k+"= "+";expires="+expireDate.toGMTString()
		}
	},
	removeAll:function(){
		if(!!window.localStorage){
		 window.localStorage.clear();
		}
		else{
		var v=this.getItem(this.bookList)?this.getItem(this.bookList).split("#"):Array();
		var books=Array();
		if(v.length){
			for( i in v ){
				var tem=this.removeItem(v[k])
				}
			}
			this.removeItem(this.bookList)
		}
	}
}
window.lastread = new LastRead();