//cookie的相关函数
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;
//alert(srcElem.href);
var link_href = srcElem.href;
var isnolink = link_href.indexOf("#");
//alert(isnolink);
var islink = link_href.indexOf("?");
address=srcElem.href+"_www.114-91.com_";
wlink=linkname+"+"+address;
old_info=getCookie("history_info");
var insert=true;
if (islink<0 || isnolink>0) insert=false;
////////////////////////

if(old_info==null)          //判断cookie是否为空
{
 insert=true;
}
else
{
var old_link=old_info.split("_www.114-91.com_");
for(var j=0;j<=5;j++)
  {
 if(old_link[j].indexOf(linkname)!=-1)
 insert=false;
 if(old_link[j]=="null")
 break;
 }
 }


/////////////////////////////
if(insert)                //如果符合条件则重新写入数据
{
wlink+=getCookie("history_info");
setCookie("history_info",wlink);
history_show().reload();
break;
}

}
srcElem = srcElem.parentNode;
}
}
catch(e){}
return true;
}

document.onclick=glog;

function history_clean()
{
setCookie("history_info","");
history_show().reload();
}
////////////////////////////////////////////////////////////////////////////////


function history_show()
{
 var history_info=getCookie("history_info");
 var content="";
 if(history_info!=null)
 {
 history_arg=history_info.split("_www.114-91.com_");
 var i;
 for(i=0;i<=5;i++)
 {
  if(history_arg[i]!="null")
  {
    var wlink=history_arg[i].split("+");
   content+=("<font color='#ff000'>↑</font>"+"<a href='"+wlink[1]+"'>"+wlink[0]+"</a><br>");
   }
   document.getElementById("history").innerHTML=content+"<a href='#' onclick=history_clean()>[清除记录]</a>";
   }
}
else
 {document.getElementById("history").innerHTML="对不起，您没有任何浏览纪录";}
}