js 设置cookie

//设置cookie

 document.cookie="inquiry_list="+str+";expires="+4*7*24*3600;

//获取cookie

function getCookie(name){

var arr,reg=new RegExp("(^| )"+name+"=([^;]*)(;|$)");

if(arr=document.cookie.match(reg))
return unescape(arr[2]);
else
return null;
}