//----- VARIABLES -----
var imgCount = 0;  //number of images on homepage
var imgs;
imgs = new Array();

//----- FUNCTIONS -----
function PreloadImg(name,img1,img2)
{
  //preload the pictures
  imgs[imgCount] = new Array(3);
  imgs[imgCount][0] = new Image();
  imgs[imgCount][0].src = img1;
  imgs[imgCount][1] = new Image();
  imgs[imgCount][1].src = img2;
  imgs[imgCount][2] = name;
  imgCount++;
}

function SwitchImg(name)
{
  for (i=0; i<imgCount; i++) {
    if (document.images[imgs[i][2]]!=null)
      if (name!=imgs[i][2]) {
        //switch back the other pictures
        document.images[imgs[i][2]].src=imgs[i][0].src;
      } else {
        //switch picture
        document.images[imgs[i][2]].src=imgs[i][1].src;
      }
  }
}

function RestoreImg()
{
  for (i=0; i<imgCount; i++) {
    //switch back the picture
    if (document.images[imgs[i][2]]!=null)
      document.images[imgs[i][2]].src=imgs[i][0].src;
  }
}