/*取得应用根路径*/
function getContextPath() {
	var contextPath = document.location.pathname;
	var index = contextPath.substr(1).indexOf("/");
	contextPath = contextPath.substr(0, index + 1);
	delete index;
	return contextPath;
}
/***********************************************************************
 * 针对http://newbook.chaoxing.com:8082/fm/index.do?id=5 
 * document.location['hostname'] = newbook.chaoxing.com
 * document.location['host'] = newbook.chaoxing.com:8082
 * document.location['port'] = 8082
 * document.location['pathname'] = /fm/index.do
 * document.location['search'] = ?id=5
 * document.location['protocol'] = http
 *
 ********************************************************************/

/*取得应用域名*/
function getDomain() {
	var protocal = document.location['protocol'];
	var host = document.location['host'];
	var context = getContextPath();
	var result = protocal + "//" + host ;
	return result;
}