var userinfo=new Array("","1","1","","-","-","0");
function login()        
{        
  var u_name=document.loginform.username.value;        
  var u_psw=document.loginform.userpsw.value;        
  if(u_name.length<2)        
  {        
    alert("用户名不能为空或少于2个字符。");        
    document.loginform.username.focus();        
    return false;        
  }        
  var s=" +=|'#&<>%*`^/\\\";,.";        
  for (i=0; i<u_name.length; i++)
  {	for(j=0;j<s.length;j++)
	{if (u_name.charAt(i) == s.charAt(j))
     {	alert("用户名中不能包含特殊字符: +=|'#&<>%*`^/\\\";,.空格.");
 		document.loginform.username.focus();
 		return false;
     }
    }
  }
  if(u_name.substring(0,1)=="*")        
  {        
    alert("昵称的第一个字符不能为*号。");        
    loginform.username.focus();        
    return false;        
  }        
  if(u_name=="大家"||u_name=="系统"||u_name=="系统管理员"||u_name=="管理员")        
  {        
    alert("不能使用这样的名字，请重新输入。");        
    loginform.username.focus();        
    return false;        
  }   
 }  

document.write("<applet code='UserImage.ImgApp.class' codebase='jgame202/' archive='imgapp.jar' width=0 height=0>");        
document.write(" <param name=cabbase  value='gameimages.cab,imgapp.cab'>");
document.write(" <font color=red><b>你的浏览器不支持java!::<a href=help/javainstall.htm target=_blank>请点这里安装java虚拟机</a>::</b></font>");
document.write(" </applet>");
document.write("<table width='88%'  border='0' align='center' cellpadding='0' cellspacing='0'>");
document.write("<FORM name='loginform' method='post' action='user/checkgame.asp' onSubmit='return login();'>");
document.write("<tr><td width='26%' height='26'><div align='right'>昵称:</div></div></td>");
document.write("<td width='74%' align='center'><INPUT class='input'  type='text' size='12' name='username'></td></tr><tr>");          
document.write("<td height='26'><div align='right'>密码:</div></td><td align='center'><INPUT class='input' size='12' name='userpsw' type='password'></td></tr>");          
document.write("<tr><td height='39' colspan='2'><table width='100%'  border='0' cellspacing='0' cellpadding='0'>");
document.write("<tr><td width='42%'><div align='right'>");
document.write("<input name='imageField' type='image' src='image_game/anniu-d.gif' width='35' height='19' border='0'>");         
document.write("</div></td> <td width='35%'><div align='right'><a href=http://bbs.775.com/reg.asp?lu=game target=_blank><img src='image_game/anniu-z.gif' width='35' height='19' border='0'></a></div></td>");
document.write("<td width='23%'>&nbsp;</td></tr></table></td></tr>");
document.write("<tr><td height='27' colspan='2'>&nbsp;说明：<span class='style4'>本站<a href='http://bbs.775.com' target='_blank'><font color=green>论坛</font></a>/<a href='http://chat.775.com' target='_blank'><font color=red>聊天</font></a>/<a href='http://music.775.com' target='_blank'><font color=blue>音乐</font></a>");
document.write("</span></td></tr>");
document.write("<tr><td height='24' colspan='2'>&nbsp;");
document.write("会员不需注册,可直接登陆!</span></td></tr>");
document.write("</form></table>");