function toggleLayer28(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer32(nr,ans1){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
      document.getElementById(ans1).style.visibility = "hidden";
    document.getElementById(ans1).style.position = 'absolute';										
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer42(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer43(nr,ans1){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
      document.getElementById(ans1).style.visibility = "hidden";
    document.getElementById(ans1).style.position = 'absolute';										
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer44(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer22(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer39(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer33(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer45(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer35(nr,ans1,ans2){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
      document.getElementById(ans1).style.visibility = "hidden";
    document.getElementById(ans1).style.position = 'absolute';										
      document.getElementById(ans2).style.visibility = "hidden";
    document.getElementById(ans2).style.position = 'absolute';										
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer31(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer27(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer24(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer1(nr,ans1,ans2,ans3){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
      document.getElementById(ans1).style.visibility = "hidden";
    document.getElementById(ans1).style.position = 'absolute';										
      document.getElementById(ans2).style.visibility = "hidden";
    document.getElementById(ans2).style.position = 'absolute';										
      document.getElementById(ans3).style.visibility = "hidden";
    document.getElementById(ans3).style.position = 'absolute';										
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer38(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer21(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer29(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer25(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer20(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer37(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer23(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer40(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer41(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer36(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleLayer19(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}

function toggleTutLayer28(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer32(nr,ans1){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
      document.getElementById(ans1).style.visibility = "hidden";
    document.getElementById(ans1).style.position = 'absolute';										
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer42(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer43(nr,ans1){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
      document.getElementById(ans1).style.visibility = "hidden";
    document.getElementById(ans1).style.position = 'absolute';										
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer44(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer22(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer39(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer33(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer45(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer35(nr,ans1,ans2){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
      document.getElementById(ans1).style.visibility = "hidden";
    document.getElementById(ans1).style.position = 'absolute';										
      document.getElementById(ans2).style.visibility = "hidden";
    document.getElementById(ans2).style.position = 'absolute';										
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer31(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer27(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer24(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer1(nr,ans1,ans2,ans3){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
      document.getElementById(ans1).style.visibility = "hidden";
    document.getElementById(ans1).style.position = 'absolute';										
      document.getElementById(ans2).style.visibility = "hidden";
    document.getElementById(ans2).style.position = 'absolute';										
      document.getElementById(ans3).style.visibility = "hidden";
    document.getElementById(ans3).style.position = 'absolute';										
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer38(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer21(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer29(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer25(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer20(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer37(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer23(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer40(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer41(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer36(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}
function toggleTutLayer19(nr){
  if(document.getElementById(nr).style.visibility == "")
    document.getElementById(nr).style.visibility = "hidden";
  if(document.getElementById(nr).style.visibility == "hidden"){
    document.getElementById(nr).style.visibility = "visible";
    document.getElementById(nr).style.position = 'relative';
    document.getElementById(nr).style.height = '100%';
    document.getElementById(nr).style.width = '85%';
  } else if(ans1 != null){
    document.getElementById(nr).style.visibility = "hidden";
    document.getElementById(nr).style.position = 'absolute';
    }
  else
  {
      document.getElementById(nr).style.visibility = "hidden";
      document.getElementById(nr).style.position = 'absolute';
  }
}



	function goToVPP(){
	  document.location.href = "/vpp/";
	}

	function goToVPPNewMember(){
	  document.location.href = "memberthankyou.php";
	}

	function pg_cengine(partner, vcode, partnum){
		url = "http://" + partner + ".pricegrabber.com/search_getprod.php?vcode=" + vcode + "&partnum=" + partnum;
		features = "height=500,width=840,innerHeight=450,innerWidth=550,menubar=no,status=no,toolbar=no,resizable=yes,scrollbars=yes";
		window.open( url, "", features );
	}
	
	function chkForm() {
	  if(document.form.fname.value == ""){
		  alert('Please enter your first name.');
			document.form.fname.select();
			document.form.fname.focus();
			return false;
		}
	  if(document.form.lname.value == ""){
		  alert('Please enter your last name.');
			document.form.lname.select();
			document.form.lname.focus();
			return false;
		}
	  if(document.form.email.value == ""){
		  alert('Please enter your email address.');
			document.form.email.select();
			document.form.email.focus();
			return false;
		}
		
	  var emailStr=document.form.email.value
		var emailPat=/^(.+)@(.+)$/
		var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
		var validChars="\[^\\s" + specialChars + "\]"
		var quotedUser="(\"[^\"]*\")"
		var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
		var atom=validChars + '+'
		var word="(" + atom + "|" + quotedUser + ")"
		var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
		var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
		var matchArray=emailStr.match(emailPat)
		if (matchArray==null) {
			alert("Email address seems incorrect (check @ and .'s)");
			document.form.email.select();
			document.form.email.focus();
			return false;
		}
		var user=matchArray[1]
		var domain=matchArray[2]
		if (user.match(userPat)==null) {
			alert("The username doesn't seem to be valid.");
			document.form.email.select();
			document.form.email.focus();
			return false;
		}
		var IPArray=domain.match(ipDomainPat)
		if (IPArray!=null) {
			  for (var i=1;i<=4;i++) {
				if (IPArray[i]>255) {
					alert("Destination IP address is invalid!");
					document.form.email.select();
					document.form.email.focus();
					return false;
				}
			}
			return true
		}
		var domainArray=domain.match(domainPat)
		if (domainArray==null) {
			alert("The domain name doesn't seem to be valid.");
			document.form.email.select();
			document.form.email.focus();
			return false;
		}
		var atomPat=new RegExp(atom,"g")
		var domArr=domain.match(atomPat)
		var len=domArr.length
		if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>3) {
		  alert("The address must end in a three-letter domain, or two letter country.");
			document.form.email.select();
			document.form.email.focus();
			return false;
		}
		if (len<2) {
		  var errStr="This address is missing a hostname!"
		  alert(errStr);
			document.form.email.select();
			document.form.email.focus();
			return false;
		}

	  if(document.form.comments.value == ""){
		  alert('Please enter your comments and/or feedback.');
			document.form.comments.select();
			document.form.comments.focus();
			return false;
		}
		return true;
	}
	
	function chkForm2() {
	  if(document.form2.fname.value == ""){
		  alert('Please enter your first name.');
			document.form2.fname.select();
			document.form2.fname.focus();
			return false;
		}
	  if(document.form2.lname.value == ""){
		  alert('Please enter your last name.');
			document.form2.lname.select();
			document.form2.lname.focus();
			return false;
		}
	  if(document.form2.email.value == ""){
		  alert('Please enter your email address.');
			document.form2.email.select();
			document.form2.email.focus();
			return false;
		}
		
	  var emailStr=document.form2.email.value
		var emailPat=/^(.+)@(.+)$/
		var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
		var validChars="\[^\\s" + specialChars + "\]"
		var quotedUser="(\"[^\"]*\")"
		var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
		var atom=validChars + '+'
		var word="(" + atom + "|" + quotedUser + ")"
		var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
		var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
		var matchArray=emailStr.match(emailPat)
		if (matchArray==null) {
			alert("Email address seems incorrect (check @ and .'s)");
			document.form2.email.select();
			document.form2.email.focus();
			return false;
		}
		var user=matchArray[1]
		var domain=matchArray[2]
		if (user.match(userPat)==null) {
			alert("The username doesn't seem to be valid.");
			document.form2.email.select();
			document.form2.email.focus();
			return false;
		}
		var IPArray=domain.match(ipDomainPat)
		if (IPArray!=null) {
			  for (var i=1;i<=4;i++) {
				if (IPArray[i]>255) {
					alert("Destination IP address is invalid!");
					document.form2.email.select();
					document.form2.email.focus();
					return false;
				}
			}
			return true
		}
		var domainArray=domain.match(domainPat)
		if (domainArray==null) {
			alert("The domain name doesn't seem to be valid.");
			document.form2.email.select();
			document.form2.email.focus();
			return false;
		}
		var atomPat=new RegExp(atom,"g")
		var domArr=domain.match(atomPat)
		var len=domArr.length
		if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>3) {
		  alert("The address must end in a three-letter domain, or two letter country.");
			document.form2.email.select();
			document.form2.email.focus();
			return false;
		}
		if (len<2) {
		  var errStr="This address is missing a hostname!"
		  alert(errStr);
			document.form2.email.select();
			document.form2.email.focus();
			return false;
		}
		
	  if(document.form2.product_number.selectedIndex == 0){
		  alert('Please choose your product\'s model number.');
			return false;
		}
		
	  if(document.form2.serial_number.value == ""){
		  alert('Please enter your product\'s serial number.');
			document.form2.serial_number.select();
			document.form2.serial_number.focus();
			return false;
		}
		
	  if(document.form2.other_info.value == ""){
		  alert('Please enter your network, computer and platform type(s).');
			document.form2.other_info.select();
			document.form2.other_info.focus();
			return false;
		}
	  if(document.form2.comments.value == ""){
		  alert('Please enter your comments, feedback and/or problem.');
			document.form2.comments.select();
			document.form2.comments.focus();
			return false;
		}
		return true;
	}

  function WinOpen(url,id,width,height){
    msgWin=window.open(url,id,'scrollbars=yes,status=no,toolbar=no,menubar=no,directories=no,resizable=yes,width=' + width + ',height=' + height + ',left=0,top=0,screenX=0,screenY=0');
  }

	function switchImage(imgName, imgSrc){
		if (document.images) {
			if (imgSrc != "none") {
				document.images[imgName].src = imgSrc;
			}
		}
	}
	
	function simplePreload(){ 
	  var args = simplePreload.arguments;
	  document.imageArray = new Array(args.length);
	  for(var i=0; i<args.length; i++){
			document.imageArray[i] = new Image;
			document.imageArray[i].src = args[i];
	  }
	}