function checkdeng()
{
	  
	  
	
	  
  if (document.userLogin.Username.value=="")
  {
    alert("ÇëÌîдµÇ½Õʺţ¡");
	document.userLogin.Username.focus();
	return false;
  } 

  if (document.userLogin.Psw.value=="")
  {
    alert("ÃÜÂë²»ÄÜΪ¿Õ£¡");
	document.userLogin.Psw.focus();
	return false;
  }
}

function show(url)
{document.getElementById("checkdiqu").style.visibility="visible";
document.getElementById("diquiframe").style.width="1000px";
document.getElementById("diquiframe").style.height="1000px";
document.userLogin.url.value=url;
}


function closediv()
{document.getElementById("checkdiqu").style.visibility="hidden";

document.getElementById("diquiframe").style.width="0px";
document.getElementById("diquiframe").style.height="0px";


}

function login()
{




}