cookie_name = "user_style_preference";
var Theme;

function getTheme()
{
  if(document.cookie)
  {
    index = document.cookie.indexOf(cookie_name);
    if (index != -1)
    {
      namestart = (document.cookie.indexOf("=", index) + 1);
      nameend = document.cookie.indexOf(";", index); 
      if (nameend == -1)
      {
         nameend = document.cookie.length;
      }
      Theme = document.cookie.substring(namestart, nameend);
      return Theme;
    }// end if (index !- -1)
  }// end if(document.cookie)
}// end getTheme

Theme=getTheme();

if ( Theme == "Earth" ) 
{ 
  Image1= new Image(45,45) // HxW
  Image1.src = "/PNG/Earth/Arrows/Large/arrow_next_off_earth.png"
  Image2 = new Image(45,45) // HxW
  Image2.src = "/PNG/Earth/Arrows/Large/arrow_next_on_earth.png"
}
else if ( Theme == "Mercury" ) 
{ 
  Image1= new Image(45,45) // HxW
  Image1.src = "/PNG/Mercury/Arrows/Large/arrow_next_off_mercury.png"
  Image2 = new Image(45,45) // HxW
  Image2.src = "/PNG/Mercury/Arrows/Large/arrow_next_on_mercury.png"
}
else if ( Theme == "Mars" ) 
{ 
  Image1= new Image(45,45) // HxW
  Image1.src = "/PNG/Mars/Arrows/Large/arrow_next_off_mars.png"
  Image2 = new Image(45,45) // HxW
  Image2.src = "/PNG/Mars/Arrows/Large/arrow_next_on_mars.png"
}
else if ( Theme == "Neptune" ) 
{ 
  Image1= new Image(45,45) // HxW
  Image1.src = "/PNG/Neptune/Arrows/Large/arrow_next_off_neptune.png"
  Image2 = new Image(45,45) // HxW
  Image2.src = "/PNG/Neptune/Arrows/Large/arrow_next_on_neptune.png"
}
else if ( Theme == "Pluto" ) 
{ 
  Image1= new Image(45,45) // HxW
  Image1.src = "/PNG/Pluto/Arrows/Large/arrow_next_off_pluto.png"
  Image2 = new Image(45,45) // HxW
  Image2.src = "/PNG/Pluto/Arrows/Large/arrow_next_on_pluto.png"
}
else // Venus
{ 
  Image1= new Image(45,45) // HxW
  Image1.src = "/PNG/Venus/Arrows/Large/arrow_next_off_venus.png"
  Image2 = new Image(45,45) // HxW
  Image2.src = "/PNG/Venus/Arrows/Large/arrow_next_on_venus.png"
}

 
function SwapOut1() {
            document.imageflip1.src = Image2.src;
            return true;
}

function SwapBack1() {
             document.imageflip1.src = Image1.src;
             return true;
}

function SwapOut2() {
            document.imageflip2.src = Image2.src;
            return true;
}

function SwapBack2() {
             document.imageflip2.src = Image1.src;
             return true;
}

function SwapOut3() {
            document.imageflip3.src = Image2.src;
            return true;
}

function SwapBack3() {
             document.imageflip3.src = Image1.src;
             return true;
}

function SwapOut4() {
            document.imageflip4.src = Image2.src;
            return true;
}

function SwapBack4() {
             document.imageflip4.src = Image1.src;
             return true;
}

function SwapOut5() {
            document.imageflip5.src = Image2.src;
            return true;
}

function SwapBack5() {
             document.imageflip5.src = Image1.src;
             return true;
}

function SwapOut6() {
            document.imageflip6.src = Image2.src;
            return true;
}

function SwapBack6() {
             document.imageflip6.src = Image1.src;
             return true;
}