//constants
var DOC_ROOT = '';
var ajaxUrl = DOC_ROOT + 'ajax.php';

scriptProxy = new Ajax.ScriptProxy();
scriptProxy.SetUrl(ajaxUrl);
//scriptProxy.RegisterAjaxMethods(['Test', 'Vote', 'Register']);

ajaxReq = new Ajax.AjaxRequest();

function $(id) {
	return document.getElementById(id);
}

function IsNullorUndefined(o) {
    return o == null || typeof(o) == 'undefined';
}