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-1; 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;
  } 
}
function change_src()
{	
	var image14s_up_src='images/sub5_menu-up_02.jpg';
	var image6_up_src='images/sub5_menu-up_08.jpg';
	var image1_up_src='images/sub5_menu-up_03.jpg';	
	var image10_up_src='images/sub5_menu-up_10.jpg';
	var image11_up_src='images/sub5_menu-up_11.jpg';
	var image12_up_src='images/sub5_menu-up_12.jpg';
	var image13_up_src='images/sub5_menu-up_13.jpg';
	var image14_up_src='images/sub5_menu-up_14.jpg';
	var image15_up_src='images/sub5_menu-up_15.jpg';
	var image16_up_src='images/sub5_menu-up_16.jpg';
	var image3_up_src='images/sub5_menu-up_05.jpg';
	var image2_up_src='images/sub5_menu-up_04.jpg';
	var image4_up_src='images/sub5_menu-up_06.jpg';
		
	switch(window.location.pathname)
		{
			case "/sub5.htm" :
			{
				document.all.image14s.src=image14s_up_src;
				document.all.image1.src=image1_up_src;
				break;
			}
			case "/sub5_05.htm" :
			{
				document.all.image14s.src=image14s_up_src;
				document.all.image6.src=image6_up_src;
				break;
			}
			case "/sub5_10.htm":
			{
				document.all.image3.src=image3_up_src;				
				document.all.image10.src=image10_up_src;	
				break;
			}
			case "/sub5_11.htm":
			{
				document.all.image3.src=image3_up_src;				
				document.all.image11.src=image11_up_src;	
				break;
			}
			case "/sub5_12.htm":
			{
				document.all.image3.src=image3_up_src;				
				document.all.image12.src=image12_up_src;	
				break;
			}
			case "/sub5_13.htm":
			{
				document.all.image3.src=image3_up_src;				
				document.all.image13.src=image13_up_src;	
				break;
			}
			case "/sub5_14.htm":
			{
				document.all.image3.src=image3_up_src;				
				document.all.image14.src=image14_up_src;	
				break;
			}
			case "/sub5_15.htm":
			{
				document.all.image3.src=image3_up_src;				
				document.all.image15.src=image15_up_src;	
				break;
			}
			case "/sub5_16.htm":
			{
				document.all.image3.src=image3_up_src;				
				document.all.image16.src=image16_up_src;	
				break;
			}
			case "/sub5_02.htm":
			{
				document.all.image14s.src=image14s_up_src;				
				document.all.image2.src=image2_up_src;	
				break;
			}
			case "/sub5_03.htm":
			{
				document.all.image3.src=image3_up_src;				
				document.all.image4.src=image4_up_src;	
				break;
			}
			case "/sub5_04.htm":
			{
				document.all.image3.src=image3_up_src;				
				document.all.image5.src=image5_up_src;	
				break;
			}			
		}	
}