<!--
function getSpan(obj){
	return document.getElementById(obj+"_div");
}

function showmessage(tag,val){
	if(tag == 1){
		return "<img src='/pub/img/right.gif' class='txtalign'>";
	}else if(tag == 2){
		return "";
	}else{
		return "<img src='/pub/img/error.gif' class='txtalign'> " + val;
	}
}

function checkUser(obj,val){
	if(val == '' || val.length < 3){
		getSpan(obj).innerHTML = showmessage(0,"您输入的用户名小于3个字符, 请输入一个较长的用户名。");
		return;
	}else if(val.search(/\W/) != -1){
		getSpan(obj).innerHTML = showmessage(0,"用户名只能用数字、字母和下划线！");
		return;
	}
	//获取ajax对象
	if (window.XMLHttpRequest){
		ajax = new XMLHttpRequest();
	}else if (window.ActiveXObject){
		ajax = new ActiveXObject("Microsoft.XMLHTTP");
	}
	var rand = Math.random();
	var xmlurl = "/users/ajax.php?r="+rand+"&t=user&v=" + val;
	var pass = 0;
	ajax.onreadystatechange = function(){ 
		if (ajax.readyState == 4 && ajax.status == 200) {
		    var text = ajax.responseText;
				if(text.indexOf("0")!=-1){
					getSpan(obj).innerHTML = showmessage(1,"");
					pass = 0;
				}else{
					getSpan(obj).innerHTML = showmessage(0,"\"" + val + "\" 已经被他人使用，请选择其他名字后再试");
					pass = 1;
				}
		}
	}
	ajax.open("GET", xmlurl, true);
	ajax.send(null);
	return true;
}

function checkPwd(obj,val,confirmObj,confirmPwd){
	if(val == ''){
		getSpan(obj).innerHTML = showmessage(0,"请输入密码！");
		getSpan(confirmObj).innerHTML = showmessage(2,"");
		return;
	}else{
		getSpan(obj).innerHTML = showmessage(1,"");
		if(confirmPwd == ''){
			getSpan(confirmObj).innerHTML = showmessage(2,"");
		}else if(val != confirmPwd){
			getSpan(confirmObj).innerHTML = showmessage(0,"两次输入的密码不一致，请检查后重试");
		}else{
			getSpan(confirmObj).innerHTML = showmessage(1,"");
		}
	}
	return;
}

function checkConfirm(obj,val,pwd){
	if(val == ''){
		getSpan(obj).innerHTML = showmessage(0,"请输入确认密码！");
	}else	if(val != pwd){
		getSpan(obj).innerHTML = showmessage(0,"两次输入的密码不一致，请检查后重试");
	}else{
		getSpan(obj).innerHTML = showmessage(1,"");
	}
	return;
}
function checkEmail(obj,val){
	if(val == ''){
		getSpan(obj).innerHTML = showmessage(0,"请输入电子邮箱！");
		return;
	}
	var patch = /^(.+)@(.+)\.(.+)$/;
	var matarr = val.match(patch);

	if(matarr == null){
		getSpan(obj).innerHTML = showmessage(0,"电子邮箱地址无效，请返回重新填写");
	}else{
		getSpan(obj).innerHTML = showmessage(1,"");
	}
	return;
}

function checkAll(frm){
	var username = frm.username.value;
	var password = frm.password.value;
	var confirmpwd = frm.confirmpwd.value;
	var email = frm.email.value;
	if(username == '' || username.length < 3){
		alert("您输入的用户名小于3个字符, 请输入一个较长的用户名。");
		frm.username.focus();
		return false;
	}else if(username.search(/\W/) != -1){
		alert("用户名只能用数字、字母和下划线！");
		frm.username.focus();
		return false;
	}
	if(password == ''){
		alert("请输入密码！");
		frm.password.focus();
		return false;
	}
	if(confirmpwd == ''){
		alert("请输入确认密码！");
		frm.confirmpwd.focus();
		return false;
	}
	if(password != confirmpwd){
		alert("两次输入的密码不一致，请检查后重试");
		frm.confirmpwd.focus();
		return false;
	}
	if(email == ''){
		alert("请输入电子邮箱！");
		frm.email.focus();
		return false;
	}
	var patch = /^(.+)@(.+)\.(.+)$/;
	var matarr = email.match(patch);
	if(matarr == null){
		alert("电子邮箱地址无效，请返回重新填写");
		frm.email.focus();
		return false;
	}
	return true;
}
//-->
