var curImage=-1;

function swapPicture()
{
  if (document.images)
  {
    var nextImage=curImage+1;
    if (nextImage>=numImages)
      nextImage=0;
    if (dimages[nextImage] && dimages[nextImage].complete)
    {
      var target=0;
      if (document.images.myImage)
        target=document.images.myImage;
      if (document.all && document.getElementById("myImage"))
        target=document.getElementById("myImage");
  
      // make sure target is valid.  It might not be valid
      // if the page has not finished loading
      if (target)
      {
        target.src=dimages[nextImage].src;
        curImage=nextImage;
      }

      setTimeout("swapPicture()", 5000);

    }
    else
    {
      setTimeout("swapPicture()", 500);
    }
  }
}

// check ADSL availability

function checkadslno(){

  var ac = document.adsl.ac.value;
  var pno = document.adsl.pno.value;

  window.open("./adslnocheck/checkno.php?ac="+ac+"&pno="+pno , "ADSLNocheck", "height=320,width=550,toolbar=no,menubar=no,scrollbars=auto,resizable=yes" );	
}