function checkspace(checkstr) {
  var str = '';
  for(i = 0; i < checkstr.length; i++) {
    str = str + ' ';
  }
  return (str == checkstr);
}
function check()
{
  if(checkspace(document.admininfo.username.value)) {
	document.admininfo.username.focus();
    alert("ÇëÌîдÓû§Ãû£¡");
	return false;
  }
  if(checkspace(document.admininfo.password.value)) {
	document.admininfo.password.focus();
    alert("ÇëÌîдÃÜÂë!");
	return false;
  }
	document.admininfo.submit();
  }
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