Session send and retrieve using jquery

Hi,

in my application ,i want to send session using jquery and also check session using jqiuery

for example

var uname=$('#txtuname').val();

$.ajax({
type: "POST",
url: "WebService.asmx/Checklogin",
data: "{'uname':'" + uname + "','password':'" + password + "'}",
contentType: "application/json; charset=utf-8",
dataType: "json",
success: function (msg) {
//alert(msg.d);
if (msg.d == "Success") {
location.href = "Busdetails.aspx";

//set session here

Session["uname"]=uname;
}


}
});

*********************************

in busdetails.aspx i want to check session

how it is possible.

Regards

Baiju