function na_restore_img_src(name, nsdoc)

{

  var img = eval((navigator.appName
== 'Netscape') ? nsdoc+'.'+name : 'document.all.'+name);

  if (name == '')

    return;

  if (img && img.altsrc)
{

    img.src    =
img.altsrc;

    img.altsrc = null;

  }

}

 

function na_preload_img()

{

  var img_list = na_preload_img.arguments;

  if (document.preloadlist == null)

    document.preloadlist
= new Array();

  var top = document.preloadlist.length;

  for (var i=0; i < img_list.length;
i++) {

    document.preloadlist[top+i]
    = new Image;

    document.preloadlist[top+i].src
= img_list[i+1];

  }

}

function na_change_img_src(name, nsdoc, rpath,
preload)

{

  var img = eval((navigator.appName
== 'Netscape') ? nsdoc+'.'+name : 'document.all.'+name);

  if (name == '')

    return;

  if (img) {

    img.altsrc = img.src;

    img.src    = rpath;

  }

}