JSONP跨域请求

I need your help once again i was trying to make an Cross-domain request with ajax code:

function foo() {
    $.ajaxSetup({
            headers: { 'Access-Control-Allow-Origin': '*'}
    });
    $.ajax({
       url:"http://www.website.com/page.php",
       type: "GET",
       crossDomain: true, // enable this
       dataType: 'jsonp',
       success:function(result){

       }
    });
}

And this is simple html button

<input type="button" value="test" onclick="foo()">

When i run the function the result is that:

Sorry for my bed english and thanks in advice fou our help.