This did the trick to me. thanks again F-ES Sitecore
$.ajax(
{
type: "POST",
data: 'mystring=' + myInput ,
url: "Page2.aspx",
success: function (result) {
debugger;
alert("success :" + JSON.stringify(myInput));
},
error: function (xhr, status) {
debugger;
alert("fail " + status);
}
});