// image preloader
function PreLoader()
{
     img0 = new Image();
     img0.src = "/images/orng_nav_01.jpg";
     img1 = new Image();
     img1.src = "/images/orng_nav_02.jpg";
     img2 = new Image();
     img2.src = "/images/orng_nav_03.jpg";
     img3 = new Image();
     img3.src = "/images/orng_nav_04.jpg";
     img4 = new Image();
     img4.src = "/images/home_image_1.jpg";
     img5 = new Image();
     img5.src = "/images/home_image_2.jpg";
     img6 = new Image();
     img6.src = "/images/home_image_3.jpg";
     img7 = new Image();
     img7.src = "/images/home_image_4.jpg";
}

curScreen = 0;
function changeHomeScreen(screenNum)
{
  imagePath = "url(/images/home_image_" + screenNum + ".jpg)";
  sideNavImagePath = "url(/images/orng_nav_0" + screenNum + ".jpg)";
  document.getElementById("HomeImage").style["background"] = imagePath;

  if (curScreen != 0)
    document.getElementById("HomeSideNav" + curScreen).style["background"] = "";
  document.getElementById("HomeText" + curScreen).style["display"] = "none";
  curScreen = screenNum;
  document.getElementById("HomeText" + curScreen).style["display"] = "block";
  document.getElementById("HomeSideNav" + curScreen).style["background"] = sideNavImagePath;
  document.getElementById("HomeSideNav" + curScreen).style["background-position"] = "top left";
}

function mainClick()
{
  switch (curScreen)
  {
  case 2:
    location.href='/Products/';
  break;
  case 3:
    location.href='/Community/';
  break;
  case 4:
    location.href='/Research/';
  break;
  default:
    location.href='/Products/';
  };
}