banneroldonload = window.onload;
window.onload = function() {
	now = new Date();
	random = now.getTime();
	var banner = document.getElementById('wwclbanner');
	if (banner)
		banner.innerHTML = '<a href="http://advertise.planetlan.net/o_c.php?s=4&w=88&h=31&cb=' + random + '"><img src="http://advertise.planetlan.net/o_i.php?s=4&w=88&h=31&cb=' + random + '"</a>';
	if (banneroldonload)
		banneroldonload();
};

function getAllSheets() {
  //if you want ICEbrowser's limited support, do it this way
  if( !window.ScriptEngine && navigator.__ice_version ) {
  	//IE errors if it sees navigator.__ice_version when a window is closing
  	//window.ScriptEngine hides it from that
    return document.styleSheets; }
  if( document.getElementsByTagName ) {
    //DOM browsers - get link and style tags
    var Lt = document.getElementsByTagName('link');
    var St = document.getElementsByTagName('style');
  } else if( document.styleSheets && document.all ) {
    //not all browsers that supply document.all supply document.all.tags
    //but those that do and can switch stylesheets will also provide
    //document.styleSheets (checking for document.all.tags produces errors
    //in IE [WHY?!], even though it does actually support it)
    var Lt = document.all.tags('LINK'), St = document.all.tags('STYLE');
  } else { return []; } //lesser browser - return a blank array
  //for all link tags ...
  for( var x = 0, os = []; Lt[x]; x++ ) {
    //check for the rel attribute to see if it contains 'style'
    if( Lt[x].rel ) { var rel = Lt[x].rel;
    } else if( Lt[x].getAttribute ) { var rel = Lt[x].getAttribute('rel');
    } else { var rel = ''; }
    if( typeof( rel ) == 'string' && rel.toLowerCase().indexOf('style') + 1 ) {
      //fill os with linked stylesheets
      os[os.length] = Lt[x];
    }
  }
  //include all style tags too and return the array
  for( var x = 0; St[x]; x++ ) { os[os.length] = St[x]; } return os;
}

function changeStyle() {
  for( var x = 0, ss = getAllSheets(); ss[x]; x++ ) {
    //for each stylesheet ...
    if( ss[x].title ) {
      //disable the stylesheet if it is switchable
      ss[x].disabled = true;
    }
    for( var y = 0; y < arguments.length; y++ ) {
      //check each title ...
      if( ss[x].title == arguments[y] ) {
        //and re-enable the stylesheet if it has a chosen title
        ss[x].disabled = false;
      }
    }
  }
  if( !ss.length ) { alert( 'Your browser cannot change stylesheets' ); }
}

function getCurrentStyle(){
  a = document.cookie;
  b = a.match(/style=.*;*/);
  cookievalue = "";
  if(b){
    cookievalue = b[0].substr(b[0].search('style=')+6,b[0].search(';'));
    if(!cookievalue){
      cookievalue = b[0].substr(b[0].search('style=')+6,b[0].length);
    }
  }
  return cookievalue;
}

function switchStyle(){
  if(document.cookie){
    cookievalue = getCurrentStyle();
    if(cookievalue == "light"){
      changeStyle("dark");
      document.cookie = "style=dark;";
    }else if(cookievalue == "dark"){
      changeStyle("light");
      document.cookie = "style=light; ";
    }else{
      changeStyle("dark");
      document.cookie = "style=dark; ";
    }
  }else{
    changeStyle("dark");
    document.cookie = "style=dark; ";
  }
}

function automaticStyleSwitcher(){
  var now = new Date();
  var hour = now.getHours();
  if(hour >= 20 || hour <= 5){
    // dark design
    changeStyle("dark");
  }else{
    // light design
    changeStyle("light");
  }
}

function manualStyleSwitcher(){
if(getCurrentStyle() == "light" || getCurrentStyle() == "dark"){
  changeStyle(getCurrentStyle());
}else{
  document.cookie = "style=light; ";
}
}

automaticStyleSwitcher();