function web_top(ttype,cookies_uid){
//ttype:1表示带登陆框的，2表示导航条
var tmpstr="";
var web_wide="1003";
if(cookies_uid=="0") cookies_uid="";
  if(ttype==1){
  document.write("<table width="+web_wide+" border=0 cellspacing=0 cellpadding=0 bgcolor=#4866BA>");
  document.write("<tr>");
  document.write("<td width=365 valign=top><img src='/images/main/logo_2.jpg' width=365 height=76 border=0></td>");
  document.write("<td background='/images/main/top_bg_1.jpg' bgcolor=#4866BA width=500>");
  document.write("<table width='100%' border=0 cellspacing=0 cellpadding=0>");
  document.write("<tr>"); 
  document.write("<td height=25>&nbsp;</td>");
  document.write("</tr>");
  document.write("</table>");
  document.write("<table width='100%' border=0 cellspacing=0 cellpadding=0>");
  document.write("<form name=login_form method=post action=user_login.asp onsubmit='return login_check(login_form);'>");
  document.write("<tr>");
  document.write("<td width=60 height=30 align=right>用户名：</td>");
  document.write("<td width=115> ");
  document.write("<input name=userid type=text class=Input size=15  value='"+cookies_uid+"'>");
  document.write("</td>");
  document.write("<td width=36>密码：</td>");
  document.write("<td width=100> ");
  document.write("<input name=password type=password class=Input size=15>");
  document.write("</td>");
  document.write("<td width=70 align=center valign=middle>");
  document.write("<input type=image border=0 name=imageField src='/images/main/ico_login.jpg' width=44 height=25>");
  document.write("</td>");
  document.write("<td valign=bottom><a href='user_reg.asp'><img src='/images/main/ico_reg.jpg' width=78 height=25 border=0></a></td>");
  document.write("</tr>");
  document.write("</form>");
  document.write("</table>");
  document.write("</td>");
  document.write("<td background='/images/main/top_bg_1.jpg'  valign=top><img src='/images/main/nav_right_red.jpg' width=157 height=76></td>");
  document.write("</tr>");
  document.write("</table>");
  document.write("<table width=width="+web_wide+" border=0 cellspacing=0 cellpadding=0>");
  document.write("<tr>");
  document.write("<td height=3 bgcolor=#ffffff></td>");
  document.write("</tr>");
  document.write("</table>");
  }
  if(ttype==2){
  document.write("<table width="+web_wide+" border=0 cellspacing=0 cellpadding=0 bgcolor=#4866BA>");
  document.write("<tr>");
  document.write("<td width=365  valign=top><img src='/images/main/logo_2.jpg' width=365 height=76 border=0></td>");
  document.write("<td background='/images/main/nav_lesson.jpg' valign=middle  align=center width=122><br><a href='/sjhh_lesson.asp'>考博课堂</a></td>");
  document.write("<td background='/images/main/nav_news.jpg' valign=middle  align=center width=115><br><a href='/sjhh_news.asp'>简章 资讯</a></td>");
  document.write("<td background='/images/main/nav_down.jpg' valign=middle  align=center width=111><br><a href='/sjhh_down.asp'>资料下载</a></td>");
  document.write("<td background='/images/main/nav_bbs.jpg' valign=middle  align=center width=133><br><a href='/forum/index.htm'>考博论坛</a></td>");
  document.write("<td valign=top  width=2><img src='/images/main/nav_right_vline.jpg' width=2 height=76 border=0></td>");
  document.write("<td background='/images/main/nav_right_bg.jpg' height=76><table border=0 cellpadding=0 cellspacing=0  height=76 width=155><tr><td height=20></td></tr><tr><td valign=middle align=center style='color:#ffffff;'>");
  document.write("<a href='/' class=white>首页</a> <a href='user_reg.asp' class=white>注册</a> <a href='user_login.asp' class=white>登录</a> <a href='user_login.asp?action=logout' class=white>退出</a></td></tr></table></td>");
  document.write("</tr>");
  document.write("</table>");
  document.write("<table width=width="+web_wide+" border=0 cellspacing=0 cellpadding=0>");
  document.write("<tr>");
  document.write("<td height=3 bgcolor=#ffffff> </td>");
  document.write("</tr>");
  document.write("</table>");
  }
}