//建立cookie
function setCookie(_name, _value, _date){
if( _date ){
var d = new Date();
d.setDate(d.getDate()+_date);
document.cookie = _name+"="+encodeURIComponent(_value)+"; path=/; expires="+d.toGMTString();
}else{
document.cookie = _name+"="+encodeURIComponent(_value)+"; path=/;";
}
}
// 读取cookie(查)
/*
查 getCookie("a")
*/
function getCookie(_name){
var str = document.cookie; // "a=1; b=2; c=3"
var arr = str.split("; "); // 一定要注意多一个空格
var l = arr.length;
for( var i=0; i