<!--
function na_restore_img_src(name, nsdoc)
{
	var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? 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.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  	if (name == '')
    	return;
  	if (img) {
    	img.altsrc = img.src;
    	img.src    = rpath;
  	} 
}
// -->