//检测用户名
function checkUserName(){
	if ($F("username") != ""){
		var url = '/register_ok.asp';
		var pars = 'action=chk&username='+$F("username")+'&s='+Math.random();
		var myAjax = new Ajax.Request(
		    url,
		    {method: 'get', parameters: pars, onComplete: execScript}
		);
	}
}
//登陆
function userLogin(){
	if (Validator.Validate(document.getElementById('loginForm'),3)){
		var url = "/register_ok.asp";
		var pars = "action=login&username="+$F("loginname")+"&userpass="+$F("loginpass")+"&s="+Math.random();
		var myLogin = new Ajax.Request(
		    url,
		    {method: 'get', parameters: pars, onComplete: execScript}
		);
	}
}
//退出
function userLogout(){
	var url = "/register_ok.asp";
	var pars = "action=logout&s="+Math.random();
	var myLogin = new Ajax.Request(
		url,
		{method: 'get', parameters: pars, onComplete: execScript}
	);
}