<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" " http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns=" http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>用户注册</title>
<SCRIPT type="text/javascript">
function checkLogin(){
var textfield = document.myform.textfield.value;
var textfield2= document.myform.textfield2.value;
var textfield3= document.myform.textfield3.value;
if(textfield==""){ //判断非空输入
alert("请输入用户名");
document.myform.textfield.focus();
return false
}
if(textfield2==""){ //判断非空输入
alert("请输入密码");
document.myform.textfield2.focus();
return false
}
if(textfield3==""){ //判断非空输入
alert("请输入邮箱");
document.myform.textfield3.focus();
return false
}
}
</SCRIPT>
</head>
<body>
<form name="myform" action="" >
<table width="247" border="2" align="center" cellpadding="0" bordercolor="#8296E8" bgcolor="#FFFFFF">
<tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
<td colspan="2"><img src="photo/loginbgtop.gif" width="100%" height="24" /></td>
</tr>
<tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
<td colspan="2" align="center" nowrap="nowrap">用户登录</td>
</tr>
<tr>
<td valign="middle" nowrap="nowrap" bordercolor="#FFFFFF" bgcolor="#FFFFFF"><img src="photo/user.gif" width="20" height="20" align="absmiddle" />用户名</td>
<td width="168" bordercolor="#FFFFFF">
<label>
<input type="text" name="textfield" />
</label>
</td>
</tr>
<tr>
<td valign="middle" nowrap="nowrap" bordercolor="#FFFFFF" bgcolor="#FFFFFF"><img src="photo/password.gif" width="20" height="15" vspace="0" align="absmiddle" />密 码</td>
<td bordercolor="#FFFFFF">
<label>
<input type="text" name="textfield2" maxlength="6" />
</label>
</td>
</tr>
<tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
<td colspan="2" align="center">
<label>
<input type="submit" name="Submit2" value="提交" onclick="return checkLogin()" />
</label>
<label>
<input type="submit" name="Submit" value="重置" />
</label>
</td>
</tr>
<tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
<td colspan="2"><img src="photo/loginbgbottom.gif" width="100%" height="24" /></td>
</tr>
</table>
</form>
</body>
</html>