function popshow(url)
{ var mapwin=window.open(url,'bertie','width=336,height=660,left=5,location=no,titlebar=no,menubar=no,scrollbars=1,toolbar=0,resizable=1',false);
  if (mapwin)
    mapwin.focus();
}

function reveal(id,show)
{ if (show)
    document.getElementById(id).style.visibility='visible';
  else
    document.getElementById(id).style.visibility='hidden';
}

function postit(form,flag)
{ switch (flag)
  { case 1:
       form.action="utils/lhemailer.php";
       break;

    case 2:
       em=form.emqry.value;
       pwd=form.pwdqry.value;
       if ((em.length>0) && (check_email(em)) && (pwd.length>0))
         form.action="checkpass.php";
       else
       { if (em.length==0)
         { alert("Please enter your e-mail address");
           form.emqry.focus();
         }
         else if (pwd.length==0)
         { alert("Please enter your password");
           form.pwdqry.focus();
         }
         else
         { alert("There seems to be an error in your e-mail address");
           form.emqry.focus();
         }
         return false;
       }

       break;

    case 3:
       em=form.emqry.value;
       if ((em.length>0) && (!check_email(em)))
       { alert("There seems to be an error in your e-mail address");
         form.emqry.focus();
         return false;
       }
       form.action="register.php";
       break;

    case 4:
       if (!check_email(form.emqry.value))
       { alert("There seems to be an error in your e-mail address");
         form.emqry.focus();
         return false;
       }

       reveal('regbutton',false);
       reveal('ack',true);

       form.action="checkpass.php?opcode=send";
       break;

    case 5:
       if (!check_email(form.emqry.value))
       { alert("There seems to be an error in your e-mail address");
         form.emqry.focus();
         return false;
       }

       form.action="checkpass.php?opcode=remind";
       break;

    case 9:
       uname=form.unameqry.value;
       pwd=form.pwdqry.value;
       if ((uname.length>0) && (pwd.length>0))
         form.action="checkblogpass.php";
       else
       { if (uname.length==0)
         { alert("Please enter your username");
           form.unameqry.focus();
         }
         else if (pwd.length==0)
         { alert("Please enter your password");
           form.pwdqry.focus();
         }
         return false;
       }

       break;

    default: return;
  }

  form.method="post"

  if (flag==1)
  { reveal('sendbutton',false);
    reveal('ack',true);
  }

  form.submit();
}

function showblog(form)
{ ix=form.bloglist.selectedIndex;
  rn=parseInt(form.blogids.value.substr(ix*8,8),10);

  form.action=('editblog.php?opcode=Show&blogid='+rn);
  form.method='post';
  form.submit();

  document.getElementById('savebutton').style.visibility='hidden';
  document.getElementById('forgetbutton').style.visibility='hidden';
}

function editblog(form,flag)
{ form.action=('editblog.php');
  form.method='post';

  switch (flag)
  { case 1:             // Save
      form.opcode.value='Save';
      break;

    case 2:             // Forget
      form.opcode.value='Show';
      break;

    case 3:             // Add
      form.opcode.value='Add';
      form.blogid.value=0;
      form.publishweb.checked=false;
      break;

    case 4:             // Delete
      if (confirm('Delete this record?'))
        form.opcode.value='Delete';
      else
        form.opcode.value='Show';
      break;

  }

  if ((flag>0) && (flag<5))
    form.submit();
}

function nfour(number)
{ return (number < 1000) ? number + 1900 : number;}

function calcdate()
{ var now = new Date();
  var days = new Array('Sunday','Monday','Tuesday','Wednesday',
    'Thursday','Friday','Saturday');
  var months = new Array('January','February','March','April','May','June',
    'July','August','September','October','November','December');
  var date = ((now.getDate()<10) ? "0" : "")+ now.getDate();
  today =  days[now.getDay()]+" "+now.getDate()+" "+months[now.getMonth()]
    + " " +nfour(now.getYear());
  return today;
}

function launch(form,pg)
{ form.method="get";
  form.action=pg;
  form.submit();
}

function getarticle(form)
{ var i=form.articles.selectedIndex;
  rn=recarray[i];
  form.action="diary.php?rn="+rn;
  form.submit();
}

function getworldnews(form)
{ var i=form.articles.selectedIndex;
  rn=recarray[i];
  form.action="worldnews.php?rn="+rn;
  form.submit();
}

function check_email(str)
{ ereg=new RegExp("^.+@.+\\..+$");
  return ereg.test(str);
}

function newreg(form)
{ if (!check_email(form.emqry.value))
  { alert("There seems to be an error in your e-mail address");
    form.emqry.focus();
    return false;
  }

  form.action="checkpass.php?opcode=send&em="+form.emqry.value;
  form.submit();
}

function refreshblog(form)
{ form.action="ehjblog.php";
  form.submit();
}

function windowsize()
{ var winW=630,winH=460;

  if (document.body && document.body.clientWidth)
  { winW = document.body.clientWidth;
    winH = document.body.clientHeight;
  }

  if (document.compatMode=='CSS1Compat' &&
    document.documentElement &&
    document.documentElement.clientWidth )
  { winW = document.documentElement.clientWidth;
    winH = document.documentElement.clientHeight;
  }

  if (window.innerWidth && window.innerHeight)
  { winW = window.innerWidth;
    winH = window.innerHeight;
  }

  return [winW,winH];
}

function hidepic(n)
{ document.getElementById(n).style.visibility='hidden';
}

function showpic(n)
{ var ob,obpic;

  ob=document.getElementById(n);

  if (ob.style.visibility=='visible')
  { ob.style.visibility='hidden';
    return;
  }

  ws=windowsize();
  stb=document.body.scrollTop;

  var x=(ws[0]-600)/2-80;
  var y=stb+(ws[1]-400)/2;

  ob.style.left=x+'px';
  ob.style.top=y+'px';
  ob.style.visibility='visible';
}

function check_email(str)
{ ereg=new RegExp("^.+@.+\\..+$");
  return ereg.test(str);
}

function sendblog(f,n)
{ if ((f.nickname.value.length)==0)
  { alert('Please give your name');
    f.nickname.focus();
    return;
  }

  if ((f.fromemail.value.length)==0)
  { alert('Please enter your email address');
    f.fromemail.focus();
    return;
  }
  else if (!(check_email(f.fromemail.value)))
  { alert('Your email address appears to be incorrect');
    f.fromemail.focus();
    return;
  }

  if ((f.message.value.length)==0)
  { alert('You have not made any comments');
    f.message.focus();
    return;
  }

  f.action='utils/ehjblogbits.php';
  f.method="post"
  f.submit();

  document.getElementById(n).style.visibility='hidden';
}

function anyblogchange()
{ document.getElementById('savebutton').style.visibility='visible';
  document.getElementById('forgetbutton').style.visibility='visible';
}