function readCookie(name)   
  
{   
  
  var cookieValue = "";   
  
  var search = name + "=";   
  
  if(document.cookie.length > 0)   
  
  {    
  
    offset = document.cookie.indexOf(search);   
  
    if (offset != -1)   
  
    {    
  
      offset += search.length;   
  
      end = document.cookie.indexOf(";", offset);   
  
      if (end == -1) end = document.cookie.length;   
  
      
	  var arrStr = document.cookie.substring(offset, end).split("&");  
     if(arrStr.length > 0)
	 {
	 cookieValue = arrStr[0]
	 }
	 else
	 {
	 cookieValue = document.cookie.substring(offset, end)
	 }
    }   
  
  }   
  

  return cookieValue;
}  

function dlorlb() 
{
if(readCookie("bideeduusername")=="")	
{
document.write("<div class='topdl'><a href='javascript:opendl();'><img src='http://www.jsjyss.cn/bideimg/new_top_lo_01.gif' border='0' /></a></div><div class='topzc'><a href=http://centra.jsjyss.cn/reg.asp> <img src='http://www.jsjyss.cn/bideimg/new_top_lo_03.gif' border='0' /></a></div>");	
}
else
{
	document.write("<div class='topuser'><b><a title=用户中心 href=http://centra.jsjyss.cn/default.asp>" + readCookie('bideeduusername')+ "</a> &nbsp;&nbsp;<a href='http://centra.jsjyss.cn/logout.asp'>退出</a></b></div>");

}
}

function openwyfb() 
{
if(readCookie("bideeduusername")=="")	
{
var sUrl=window.location.href;
location.href='http://centra.jsjyss.cn/default.asp?comeurl=' +sUrl ;
}
else
{
location.href='http://centra.jsjyss.cn/wdfb.asp?wdfbaction=wyfb';

}
}


function openwyqz()
{
if(readCookie("bideeduusername")=="")	
{
var sUrl=window.location.href;
location.href='http://centra.jsjyss.cn/default.asp?comeurl=' +sUrl ;	
}
else
{
location.href='http://centra.jsjyss.cn/wdqz.asp?wdqzaction=wyqz';

}
}