function _Browser(){
		var bro="Other";
		var agt=navigator.userAgent.toLowerCase();
		if(agt.indexOf('msie') >= 0) {
			bro= "IE";
		}else if(agt.indexOf('opera') >= 0){
			bro= "Opera"
		}else if(agt.indexOf('firefox') >= 0){
			bro= "FireFox";
		}else if (agt.indexOf('chrome') >= 0){
			bro= "GooGle";
		}
		return bro;
	}
	var Browser=_Browser();
	var myCookies={
		
		setCookies:function(name,value,expireDays){
		  //var Days = 30; //此 cookie 将被保存 30 天
		  if(!expireDays){
		     expireDays=30;
		  }
		  var exp  = new Date();    //new Date("December 31, 9998");
		  exp.setTime(exp.getTime() + expireDays*24*60*60*1000);
		  document.cookie = name +"="+ escape (value) + ";expires=" + exp.toGMTString()+ ";path=/;domain=xxsy.net;";
		},
		
		getCookies:function(name){
		  var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
		  if(arr != null) return unescape(arr[2]); return null;
		},
		
		delCookies:function(name){
		  var exp = new Date();
		  exp.setTime(exp.getTime() - 2);
		  var cval=this.getCookies(name);
		  if(cval!=null) document.cookie = name +"="+ cval + ";expires=" + exp.toGMTString()+ ";path=/;domain=xxsy.net;";
		}
	};
	var speed = 5;
	
	var timer;
	var temPos=1;

	function setSpeed(ispeed){ 
		if(ispeed==0)ispeed=5;
		speed=ispeed;
		myCookies.setCookies("scrollspeed",ispeed,365);
	}
	function setBGColor(sbgcolor){
		$('bgdiv').style.backgroundColor=sbgcolor;
		myCookies.setCookies("bcolor",sbgcolor,365);
	}
	
	function setFONTColor(ssbgcolor){
		$('content').style.color=ssbgcolor;
		myCookies.setCookies("txtcolor",ssbgcolor,365);
	}
	function setFONTSize(fsize){
		$('content').style.fontSize=fsize;
		$('content').style.lineHeight="150%";
		myCookies.setCookies("fonttype",fsize,365);
	}
	
	function setAutopage(){
		if($('autopage').checked==true){
			$('autopage').value=1;	
			myCookies.setCookies("autopage",1,365);
		}else{
			$('autopage').value=0;
			myCookies.setCookies("autopage",0,365);
		}
	}

    function initialize(){ 
		
		 timer=setInterval("scrollwindow()",250/speed); 
    } 
    function sc(){ 
         clearInterval(timer); 
    } 
    function scrollwindow() 
    {  
        var currentpos=1;
        
		if(Browser=="GooGle" |document.compatMode=="BackCompat" ){
			currentpos=document.body.scrollTop;
		}else{
			currentpos=document.documentElement.scrollTop;
		}

        window.scroll(0,++currentpos);
		if(Browser=="GooGle" || document.compatMode=="BackCompat" ){
			temPos=document.body.scrollTop;
		}else{
			temPos=document.documentElement.scrollTop;
		}

		
		if(currentpos!=temPos){
			if(Browser=="IE"){
				window.document.focus();   
				var   e   =   window.document.createEventObject();  
				e.keyCode   =  39;   
				window.document.fireEvent("onkeydown",e);   
			}else{
				var temStr=jumpPage.toString().replace(/\"/gi,'').replace(/\s/gi,'');
				var reg=/keyCode==39\)\{{0,1}location=(.*)\;\}/gi;
				var sResult=reg.exec(temStr);
				temStr=sResult[1];
				if(temStr.length>1){
					if(temStr.indexOf("http")>-1){
						location.href=temStr;
					}else{
						location.href="http://"+document.location.hostname+"/books/"+bookid+"/"+temStr;
					}
					
				}
			}
		}
    } 


	function loadSet()	{
		var strTemp;
		
		strTemp = myCookies.getCookies("scrollspeed");

		if( strTemp=="" || strTemp==null ){
			strTemp=5;
		}
		
		$('scrollspeed').value=strTemp;
		setSpeed(strTemp); 
	
		
		strTemp= myCookies.getCookies("bcolor");
		
		if(strTemp=="" || strTemp==null ){
			strTemp="#e4ebf1";
		}
		$('bcolor').value=strTemp;
		setBGColor(strTemp); 
		
		strTemp= myCookies.getCookies("txtcolor");

		if( strTemp=="" || strTemp==null ){
			strTemp="#000000";
		}
		$('txtcolor').value=strTemp;
		setFONTColor(strTemp); 
		
		strTemp= myCookies.getCookies("fonttype");
		
		if( strTemp=="" || strTemp==null){
			strTemp="16px";
		}
		$('fonttype').value=strTemp;
		setFONTSize(strTemp); 
		
		strTemp= myCookies.getCookies("autopage");
		if(strTemp=="1"){
			$('autopage').value=1;
			$('autopage').checked=true;		
			 initialize();
			
		}
		
	}

	 document.onmousedown=sc;
	 document.ondblclick=initialize; 	
	 loadSet();
	 
	if($("middiv")){
		
		if(sContentLen>1000){
			$("middiv").style.cssText='float:left; clear:inherit; margin:0 10px 0 0; display:block';
		}else{
			$("middiv").style.display='none';	
		}
	}else{
		var sContent=$("content").innerHTML.toString();
		var tc=sContent;
		var parten = /[^\u4e00-\u9fa5" + "a-zA-Z0-9！，。？：‘’“”；！，．？：＂＂；\\;\\?\\,\\!\\.\\:\""]|[\\-\\=\\+\\*]*$/ig;
	
		tc=sContent.replace(parten,'');
		
		if(tc.length>1200){
			var tmpStr=sContent.split(/<p>/ig);
			var tmpLen=0,beginI=0,showContent="";
			for(var i=0;i<tmpStr.length;i++){
				if(i==parseInt(tmpStr.length/2)-2){
					showContent+=tmpStr[i].toString()+'<p><div id=middiv align=center style="float:left; clear:inherit; margin:0 10px 0 0; display:block"><iframe frameborder="0" width="300" height="250" scrolling="no"  src="http://images.xxsy.net/sygg/read_mid.html"></iframe></div>';
				}else{
					showContent+=tmpStr[i].toString()+'<p>';
				}
			}
			
			$("content").innerHTML=showContent;
		}
	}