if (!empty_fields && !errors) {
    var object = document.authenticate.sex; 
    var chosensex;
       for (var i = 0; i < object.length; i++)
         if (object[i].checked)
           chosensex = object[i].value;
	   
    var evt;
    var object2 = document.authenticate.event;
    evt = escape(object2.options[object2.selectedIndex].text);