var hasIE_phone_home = 1;


// This function does the actual browser detection
function hasIE_hasIE() {
  var ua = navigator.userAgent.toLowerCase();
  return ((ua.indexOf('msie') != -1) && (ua.indexOf('opera') == -1) && 
          (ua.indexOf('webtv') == -1) &&
          (location.href.indexOf('seenIEPage') == -1));
}

function hasIE_showOnlyLayer(whichLayer)
{
  if (document.getElementById)
    {
      var style2 = document.getElementById(whichLayer);
    }
  else if (document.all)
    {
      var style2 = document.all[whichLayer];
    }
  else if (document.layers)
    {
      var style2 = document.layers[whichLayer];
    }
  var body = document.getElementsByTagName('body');
  body[0].innerHTML = style2.innerHTML;
}

function hasIE_showLayer(whichLayer)
{
  if (document.getElementById)
    {
      var style2 = document.getElementById(whichLayer).style;
      style2.display = "block";
    }
  else if (document.all)
    {
      var style2 = document.all[whichLayer].style;
      style2.display = "block";
    }
  else if (document.layers)
    {
      var style2 = document.layers[whichLayer].style;
      style2.display = "block";
    }
}

function hasIE_moveAd(adid) {
  if (document.getElementById)
    {
      var ad = document.getElementById('hasIE_ad');
      var adloc = document.getElementById(adid);
    }
  else if (document.all)
    {
      var ad = document.all['hasIE_ad'];
      var adloc = document.all[adid];
    }
  else if (document.layers)
    {
      var ad = document.layers['hasIE_ad'];
      var adloc = document.layers[adid];
    }
  adloc.innerHTML = ad.innerHTML;
}

// Hides and shows sections of the page based on whether or not it's
// running in IE
function hasIE_hideAndShow() {
  if (hasIE_hasIE()) {
    hasIE_showOnlyLayer("hasIE_level3");
          if (hasIE_phone_home == 1)
            hasIE_phoneHome('getIE_pingimage3');
  } else {
    if (hasIE_phone_home == 1)
      hasIE_phoneHome('getIE_pingimage0');
  }
}

function hasIE_phoneHome(image) {
  if (document.getElementById)
    {
      var img = document.getElementById(image);
    }
  else if (document.all)
    {
      var img = document.all[image];
    }
  else if (document.layers)
    {
      var img = document.layers[image];
    }
  img.setAttribute('src','http://getunder50.com/ping.php?host='+location.host);

}

function hasIE_ContinueWithoutFF() {
    if (location.href.indexOf('?') != -1)
        location.href += '&seenIEPage=1';
    else
        location.href += '?seenIEPage=1';
}

function age() {
	var d=new Date();
	var day=d.getDate();
	var month=d.getMonth();
	var year=d.getFullYear();
	var age=0;
	
	if (month < 11){
		age=year-1982;
	}
	else if (month >= 11){
		if (day < 8){
			age=year-1982;
		}
		else {
			age=year-1981;
		}
	}
	document.write(age);
}

function emailme() {
	document.write('<a title="Click here to send me an e-mail. ^_~" href="&#109;&#97;&#105;&#108;&#116;&#111;&#58;'+'&#118;&#103;&#122;@'+'&#109;&#97;&#99;&#46;&#99;&#111;&#109;&#63;subject=[VGZ:AFD]'+'">' + '<img class="lighticon" src="images/contactlight.png"><img class="darkicon" src="images/contactdark.png">' +'</a>');
}

function news(section,title,date,content) {
	document.write('<div class="container"><ul class="newshead"><li class="left"><img class="mid" src="images/' + section + 'iconsmall.png" alt="icon"> ' + title + '</li><li class="right">' + date + '</li></ul><div class="newscontent">' + content + '</div></div>');
}

function switchTheme() {
	if (getActiveStyleSheet() == 'light') {
		setActiveStyleSheet('dark');
	}
	else if (getActiveStyleSheet() == 'dark') {
		setActiveStyleSheet('light');
	}
}

function checkOS() {
  	if(navigator.userAgent.indexOf('Mac') != -1) {
		var OpSys = "Mac";
	}
  	else if(navigator.userAgent.indexOf('Win') != -1) {
		var OpSys = "Win";
	}
  	else {
		var OpSys = "Mac";
	}
  	return OpSys;
}

function download(file) {
	var filename = "http://homepage.mac.com/vgz/files/VGZs" + file + checkOS() + ".zip";
	document.location.href = filename;
}

function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
  hasIE_hideAndShow();
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);
hasIE_hideAndShow();

function review(ficid, chap) {
	document.write('<a href="&#109;&#97;&#105;&#108;&#116;&#111;&#58;'+'&#118;&#103;&#122;@'+'&#109;&#97;&#99;&#46;&#99;&#111;&#109;&#63;subject=[VGZ:AFD][Fic: '+ ficid + '][Chapter: ' + chap + '][Review]">');
	document.write('Review this Chapter'+'</a>');
}

function showPreview(iconSet)
{
	var style2 = document.getElementById(iconSet).style;
	style2.display = style2.display? "":"block";
}