Js操作Cookie 记录浏览记录

JS

//cookie相关函数
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; 
        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){ 
    var exp = new Date(); 
    exp.setTime (exp.getTime()+3600000000); 
    document.cookie = name + "=" + value + "; expires=" + exp.toGMTString(); 
}
function glog(evt){
    evt=evt?evt:window.event;
    var srcElem=(evt.target)?evt.target:evt.srcElement;
    try{
        while(srcElem.parentNode&&srcElem!=srcElem.parentNode){
            if(srcElem.tagName&&srcElem.tagName.toUpperCase()=="A"){
                linkname=srcElem.innerHTML;
                address=srcElem.href+"_car_";
                wlink=linkname+"+"+address;    
                old_info=getCookie("history_artical");
                var insert=true;
                if(old_info==null){//判断cookie是否为空
                    insert=true;
                }
                else{    
                    var old_link=old_info.split("_car_");
                    for(var j=0;j<=5;j++){
                        if(old_link[j].indexOf(linkname)!=-1)
                            insert=false;
                            if(old_link[j]=="null")
                            break;
                    }
                }
                if(insert){
                    wlink+=getCookie("history_artical");
                    setCookie("history_artical",wlink);
                    history_show().reload();
                    break;
                }
            }
            srcElem = srcElem.parentNode;
        }
    }
    catch(e){}
    return true;
}

function history_show(){            
    var history_artical=getCookie("history_artical");
    var content="";    
    if(history_artical!=null){
        history_arg=history_artical.split("_car_");
        var i;
        for(i=0;i<=5;i++){
            if(history_arg[i]!="null"){
                var wlink=history_arg[i].split("+");
                content+=("<li><font color='#ff000'>↑</font>"+"<a href='"+wlink[1]+"' target='_blank'>"+wlink[0]+"</a></li>");
            }
            document.getElementById("history").innerHTML=content;
        }
    }
    else{
        document.getElementById("history").innerHTML="<li>您还没有任何浏览记录！</li>";
    }
}

HTML

   <div class="just_read  boxborder mt10" >
     <h1 class="title_list">您刚看过</h1>
 <ul id="history">
 <script language="javascript">history_show();</script>
 </ul>
   </div>