function login(service){
	var frm = document.getElementById('backendProcessor');
	if(frm == null || typeof frm == 'undefined') alert('请在页面加入如下代码：<iframe src="http://www.8850.com/signIn.jsp" name="backendProcessor" id="backendProcessor" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" height="0" ></iframe>');
	if(service == null || typeof service == 'undefined') service = 'http://'+window.location.host+'/signIn.jsp';
	frm.src = 'http://sso.8850.com:8080/cas/login?ticketOnly=true&service=http://'+window.location.host+'/signInForm.jsp&realService='+service;
}

function logout(){
	var frm = document.getElementById('backendProcessor');
	frm.src = 'http://sso.8850.com:8080/cas/logout?service=http://'+window.location.host+'/signOut.jsp';
}