// JavaScript Document
function getCookieVal (offset) {
	var endstr = document.cookie.indexOf (";", offset);
	
　	if (endstr == -1) endstr = document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}
function getCookie (name) {
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	
	var i = 0;
	while (i < clen) {
		var j = i + alen;
		//alert(getCookieVal(j));
		if (document.cookie.substring(i, j) == arg) return getCookieVal (j);
			i = document.cookie.indexOf(" ", i) + 1;
			if (i == 0) break;
	}
　 	return null;

}


function SetCookie (name, value,days,path) { 

      // var exp = new Date(); 
      // exp.setTime (exp.getTime()+86400*365); 
	   //alert(value);
        if (days) {
            var date = new Date();
            date.setTime(date.getTime()+(days*24*60*60*1000));
            var expires = "; expires="+date.toGMTString();
        }
        else var expires = "";	   
	   if(path==undefined || path ==null || path==""){path="/";}
       //document.cookie = name + "=" + value + "; expires=" + exp.toGMTString()+";domain=.dushu.tom.com; path="+path; 
	  //alert(value);
	  
	   document.cookie = name+"="+value+expires+";domain=.dushu.tom.com;path="+path;
}


var isIE = (document.all && window.ActiveXObject && !window.opera) ? true : false;
function glog()
{
	//var mydate = new Date();
	//var mytime=mydate.toLocaleTimeString();  
	//var my_date = mydate.getFullYear()+"-"+mydate.getMonth()+"-"+mydate.getDate();
	//var datetime = //Date(mydate.getFullYear(),mydate.getMonth(),mydate.getDate(),mydate.getHours(),mydate.getMinutes(),mydate.getSeconds());
	var old_time = new Date().getTime();
//alert(old_time);

	 address=bookindex+"+"+classname+"+"+old_time+"+"+classurl+"+"+book_id+"_dushu.tom.com_";
	 wlink=bookname+"+"+address;　
	 var wlinktest = bookname+"+"+bookindex+"+"+classname;
	 //alert(wlink);
	 old_info=getCookie("history_info");
	//alert(old_info);
	old_info = unescape(old_info);
	//alert(old_info);
	var insert=true;　
				
    // alert(insert);
	if(old_info==null) //判断cookie是否为空
	{
　		insert=true;
	}
	else
	{　
	//alert(old_info);
	 if(old_info!="null"&&old_info.indexOf("&")==-1){
		var old_link=old_info.split("_dushu.tom.com_");
		//alert(old_link[0].indexOf(linkname));
		var old_length = old_link.length;
		//alert(old_length);
		var old_arr;
		
		for(var j=0;j<=old_length;j++)
			{
				//alert(old_link[j]);
				//old_arr = old_link[j].split("+");
				old_arr = old_link[j];
				//if(old_link[j]==wlinktest){
				//if(old_arr[0]==bookname){	
				if(old_info.indexOf(book_id)!=-1&&old_arr!="null"){
 					insert=false;
					break;
				}
				
//				alert(old_link[j].indexOf(linkname));
				//alert(old_link[j]);
				//if(isIE){
							
//　					if(old_link[j].indexOf(linkname)!=-1)
//　						insert=false;
//				}else{
//					if(old_link[j].indexOf(linkname)==-1)
//　						insert=false;
				//}
　				if(old_link[j]=="null")
　					insert = true;
　			}
				}
			
		}
//alert(insert);
		if(insert) //如果符合条件则重新写入数据
		{
			//组成新串
			//if(old_info!=null){
				var new_info = old_info.split("_dushu.tom.com_");
				var new_info1 ;
				if(new_info.length>10){
				for(var h=0;h<=8&&new_info.length>0;h++){
					if(new_info[h]!=null){
						
						if(h==8){
							new_info1+=new_info[h];
						}else{
							new_info1+=new_info[h]+"_dushu.tom.com_";
						}	
					}
				}
				//alert(new_info1); 
			//wlink+=getCookie("history_info");
			    	 wlink+=new_info1;
				}else{
					wlink+=getCookie("history_info");
				}

			//}
			//alert('insert:'+wlink);
			wlink = escape(wlink);
			SetCookie("history_info",wlink);	
			history_show();//.reload()
			//break;
		}

	return true;
}

//window.onload =glog();
//页面展示