ajax call to webservice

$j.ajax({
type: "GET",
async: this.asyncAjax,
url: path,
//url: "testData/homeData.txt",
dataType: 'jsonp',
data: "format=json",
jsonp: "jsoncallback",
cache: false,
processData: false,
timeout: timeout,
success: callback,
error: error
});