cookie.js

function setCookie(name,value,iDay){
if(iDay){
var oDate = new Date();
oDate.setDate(oDate.getDate()+iDay);
document.cookie = name+'='+value+'; PATH=/; EXPIRES='+oDate.toGMTString();
}else{
document.cookie = name+'='+value+'; PATH=/';
}
}
function getCookie(name){
var arr = document.cookie.split('; ');
for(var i=0;i<arr.length;i++){
var arr2 = arr[i].split('=');
if(arr2[0]==name){
return arr2[1];
}
}
}
function removeCookie(name){
setCookie(name,'',-1);
}