JavaScript function to check whether the form is empty

var textboxs = new Array(); // Input collection of text type
var radioList = new Object(); // The input collection of radio type, because Radio is special and needs to be detected in groups, so a Hashtable is used here to save all Radio collections based on the radio name as the Key.
var radioes;// Radio collection corresponding to each name
var inputs = ("INPUT"); // Get all inputs under form