// JavaScript Document
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];

  }

}

simplePreload( 'Images/NettEco_Hover_05.jpg', 'Images/NettEco_Hover_06.jpg','Images/NettEco_Hover_07.jpg','Images/NettEco_Hover_08.jpg','Images/NettEco_Hover_09.jpg' ); 

function ChangeMenuOn(id)
{
document.getElementById("TD0"+id).style.backgroundImage="url(Images/NettEco_Hover_0"+id+".jpg)";
}
function ChangeMenuOff(id)
{
document.getElementById("TD0"+id).style.backgroundImage="url(Images/NettEco_0"+id+".jpg)";
}