/**
* @author binghao.zhangbh
*/
if(typeof isDmTracked =='undefined'){
var isDmTracked = false;
}
function sk_dmtracking(){
dmtrack_pageid = sk_getRand();
if(isDmTracked) return;
d = new Date();
var refer = document.referrer;
var url =  document.URL.substr(6);
if( refer == ""){
refer="-";
}
var profile_site=2;
var method ="GET";
var cookie= get_cookie("ali_apache_track");
//alert(cookie);
var total="p="+profile_site+"&u={"+url+"}&m={"+method+"}&s={200}&r={"+refer+"}&a={"+cookie+"}&b={-}&c="+dmtrack_c;
var base64_total =sk_base64encode(total);
document.write("<img alt=\"\" width=\"1\" height=\"1\" style=\"display:none\" ");
document.write("src=http://dmtracking.alibaba.com/b.jpg?"+base64_total+"&time="+d.getTime()+"&ver=21&pageid="+dmtrack_pageid+"&rand="+Math.round(Math.random()*9000)+">");
isDmTracked = true;
}
var base64EncodeChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var base64DecodeChars = new Array(
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63,
52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,
-1, 0,  1,  2,   3,  4, 5,  6,  7,  8, 9, 10, 11, 12, 13, 14,
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1,
-1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1);
function sk_base64encode(str){
var out, i, len;
var c1, c2, c3;
len = str.length;
i = 0;
out = "";
while(i < len) {
c1 = str.charCodeAt(i++) & 0xff;
if(i == len){
out += base64EncodeChars.charAt(c1 >> 2);
out += base64EncodeChars.charAt((c1 & 0x3) << 4);
out += "==";
break;
}
c2 = str.charCodeAt(i++);
if(i == len){
out += base64EncodeChars.charAt(c1 >> 2);
out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
out += base64EncodeChars.charAt((c2 & 0xF) << 2);
out += "=";
break;
}
c3 = str.charCodeAt(i++);
out += base64EncodeChars.charAt(c1 >> 2);
out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
out += base64EncodeChars.charAt(((c2 & 0xF) << 2) | ((c3 & 0xC0) >>6));
out += base64EncodeChars.charAt(c3 & 0x3F);
}
return out;
}
/*function sk_allCookie(cookie_name){
try{
var cookie = document.cookie;
if(cookie.length == 0){
cookie = "-";
return cookie;
}
var arr = cookie.split("; ");
for(var i =0 ; i< arr.length ;i++){
var tmp = arr[i];
if(tmp.indexOf(cookie_name)!=-1){
cookie = tmp;
break;
}
}
return cookie;
}catch(e){
return "-";
}
}
*/
function sk_getRand(){
var cookie_id = get_cookie("ali_beacon_id");
cookie_id = cookie_id !="-" ? cookie_id.replace(/\./ig,"") : Math.round(Math.random()*100000000000000);
var randend = [
cookie_id,
new Date().getTime(),
(Math.round(Math.random()*90)+10)
].join('');
if(randend.length<42){
randend = new Array(42-randend.length+1).join('0')+randend;
}
return randend;
}
function  get_cookie(Name)   {
var   search   =  Name   +   "="
var   returnvalue   =   "";
try
{
if   (document.cookie.length   >   0)
{
offset   =   document.cookie.indexOf(search)
if   (offset   !=   -1)   {
offset   +=   search.length
end   =   document.cookie.indexOf(";",   offset);
if   (end   ==   -1)
end   =   document.cookie.length;
returnvalue=unescape(document.cookie.substring(offset,   end))
}
}
else
{
returnvalue="-";
}
}
catch(e)
{
returnvalue="-";
}
return   returnvalue;
}