function reDo()
{
  window.location.reload()
}

window.onresize = reDo;


//Define global variables

var timerID = null;
var timerOn = false;
var timecount = 1000;


// Turns the layers on and off
function showLayer(div_name)
{
    if(document.getElementById)
    {
       document.getElementById(div_name).style.visibility = "visible";
    }
    else if(document.layers)
    {
       document.layers[div_name].visibility = "show";
    }
    else if(document.all)
    {
       document.all[div_name].style.visibility = "visible";
    }
}


function hideLayer(div_name)
{
    if(document.getElementById)
    {
       document.getElementById(div_name).style.visibility = "hidden";
    }
    else if(document.layers)
    {
       document.layers[div_name].visibility = "hide";
    }
    else if(document.all)
    {
       document.all[div_name].style.visibility = "hidden";
    }
}


function hideAll()
{
  hideLayer('layer1');
  hideLayer('layer2');
  hideLayer('layer3');
  hideLayer('layer4');
}


function startTime()
{
  if(timerOn == false)
  {
    timerID = setTimeout("hideAll()", timecount);
    timerOn = true;
  }
}


function stopTime()
{
  if(timerOn)
  {
    clearTimeout(timerID);
    timerID = null;
    timerOn = false;
  }
}