// JavaScript Document
  function checkuu()
{
    if(checkspace(document.loginfo.username.value)) {
	document.loginfo.username.focus();
    alert("用户名不能为空！");
	return false;
  }
    if(checkspace(document.loginfo.UserPassword.value)) {
	document.loginfo.UserPassword.focus();
    alert("密码不能为空！");
	return false;
  }
    if(checkspace(document.loginfo.passcode.value)){
	document.loginfo.passcode.focus();
	alert("验证码不能为空");
	return false;
	}
	
	if (document.loginfo.lineselect(0).checked ==true)
     {
        document.loginfo.action="/checkCode.asp";
        document.loginfo.submit();
     }
     else
     {
        document.loginfo.action="/checkCode.asp";
        document.loginfo.submit();
     }
  }

function check()
{
   if(checkspace(document.searchform.searchkey.value !='请输入关键字'))  {
	document.searchform.searchkey.focus();
	alert("请输入查询关键字！");
	return false;
  }
  if(checkspace(document.searchform.searchkey.value))  {
	document.searchform.searchkey.focus();
	alert("请输入查询关键字！");
	return false;
  }
   document.searchform.submit();
}
function checkspace(checkstr) {
  var str = '';
  for(i = 0; i < checkstr.length; i++) {
    str = str + ' ';
  }
  return (str == checkstr);
}