$(document).ready(function(){
$('#sa').click(function(){
send();
});
})

function send() {
	fObj = document.forms["cse-search-box"];
	if (fObj["radio"][0].checked) {
		fObj.cx.value="017998645568075274792:lrqatnruwxq";
	} else if (fObj["radio"][1].checked) {
		fObj.cx.value="017998645568075274792:e1ybgtrkczs";
	}
	return true;
}