https://afer.org/wp-content/plugins/formbuilder/js/javascript.js?ver=0.82

1/* ajax.Request */
2function fb_ajaxRequest(url,submitdata,fieldname) {
3
4  jQuery.get(
5  	url, 
6	submitdata,
7    function(data){
8      fb_getResponse(data, fieldname);
9    }
10  );
11
12}
13
14/* ajax.Response */
15function fb_getResponse(data, fieldname) {
16	jQuery("#"+fieldname).html(data);
17}
18
19/* Disable the form once submitted to prevent multiple hits */
20function fb_disableForm(theform) {
21	if (document.all || document.getElementById) {
22		for (i = 0; i < theform.length; i++) {
23		var tempobj = theform.elements[i];
24		if (tempobj.type.toLowerCase() == "submit" || tempobj.type.toLowerCase() == "reset")
25		tempobj.disabled = true;
26		}
27		return true;
28	}
29	else {
30		alert("The form is currently processing. Please be patient.");
31		return false;
32	}
33}
34
35jQuery(document).ready(function(){
36	jQuery('.fb-date-pick').datePicker(
37	{
38		startDate:'01/01/1900'
39	}	
40	);
41 });