function chklogin(obj) {
	if (obj.username.value.length<=0) {
		alert('您必须输入用户名才可以登录。');
		obj.username.focus();
		return false;
	}
	if (obj.password.value.length<=0) {
		alert('您必须输入密码才可以登录。');
		obj.password.focus();
		return false;
	}    
 	var   a   =   document.getElementsByName("radiouser");
	var radiochk=0;   
      for(i=0;i<a.length;i++)   
      {   
  		if(a[i].checked)   
 		 {
		 	radiochk=1;
		 }
      }   
	if (radiochk!=1) {
		alert('请选择您的用户类型。');
		obj.username.focus();
		return false;
	}
	if (obj.code.value.length!=4) {
		alert('请输入 4 位验证码。');
		obj.code.focus();
		return false;
	}
	return true;

}


document.write('<TABLE cellSpacing="0" cellPadding=0 width=90% align=center border=0><form name="form1" method="post" action="http://passport.91536.com/chklogin.asp" onsubmit="return chklogin(this);" ><input type="hidden" name="returnurl" value="http://job.91536.com/index.htm"><TBODY><TR><TD height="25" colspan="2" valign="middle"><span class="kd">会员名：</span><INPUT name="username" class="a1" size="12">&nbsp;<span class="kd"><a href="http://passport.91536.com/register.asp?returnurl=http://job.91536.com">新会员注册</a>&nbsp;</span></TD></TR><TR><TD height=20 colSpan=2 ><input type="radio" name="radiouser" value="1">个人登录  <input type="radio" name="radiouser" value="2">企业登录  <input type="radio" name="radiouser" value="3">院校登录</TR><TR><TD height="25" ><span class="kd">密　码：</span><input name="password" class="a1" size="12" type="password"><span class="kd">&nbsp;<a href="http://passport.91536.com/findpassword.asp" class="link3">忘记密码</a></span></TD><TD width="17%" vAlign="top"><span class="kd"><input type="image" height="30" width="42" src="images/login_pes.gif"></span></TD></TR><TR><TD width="83%" colSpan="2" height="25" vAlign="top"><span class="kd">验证码：<INPUT name="code" class="a1" size="8"><img src="http://passport.91536.com/VerifyCode.asp" width="63"  style="cursor:pointer" title="验证码,看不清楚?请点击刷新验证码" onClick=this.src="http://passport.91536.com/VerifyCode.asp"></span></TD></TR></FORM></TABLE>');