var fup_mo_on_img="";
var fup_mo_preload_img=new Array();
var fup_mo_preload_complete=false;

function fup_mo_on(img)
{
	if (!fup_mo_preload_complete) {fup_mo_preload();}
   if(fup_mo_on_img!="" && img!=fup_mo_on_img) {document.images[fup_mo_on_img].src=fup_mo_get_src(fup_mo_on_img,"lo");}
   fup_mo_on_img=img;
	document.images[img].src=fup_mo_get_src(img,"on");
}
function fup_mo_hi(img)
{
	if (!fup_mo_preload_complete) {fup_mo_preload();}
	if(img!=fup_mo_on_img) {document.images[img].src=fup_mo_get_src(img,"hi");}
}
function fup_mo_lo(img)
{
	if (!fup_mo_preload_complete) {fup_mo_preload();}
   if(img!=fup_mo_on_img) {document.images[img].src=fup_mo_get_src(img,"lo");}
}

function fup_mo_get_src(img_name,img_mode)
{
	var img_src="";
	if (fup_mo_preload_img[img_name] && fup_mo_preload_img[img_name][img_mode]) {return fup_mo_preload_img[img_name][img_mode].src;}
	else {return document.images[img_name].src.substring(0,document.images[img_name].src.length-7)+"_"+img_mode+".gif";}
}

function fup_mo_preload()
{
	var lo_src="";
	var hi_src="";
	var img_name="";
   fup_mo_preload_img = new Array();
   
   for(a=0; a<document.images.length; a++)
   {
   	img_name=document.images[a].name;
   	if (img_name!="")
   	{
   		fup_mo_preload_img[img_name]=new Array();
   		fup_mo_preload_img[img_name]["lo"]=new Image();
   		fup_mo_preload_img[img_name]["lo"].src=fup_mo_get_src(document.images[a].name,"lo");
   		fup_mo_preload_img[img_name]["hi"]=new Image();
   		fup_mo_preload_img[img_name]["hi"].src=fup_mo_get_src(document.images[a].name,"hi");
   		fup_mo_preload_img[img_name]["on"]=new Image();
   		fup_mo_preload_img[img_name]["on"].src=fup_mo_get_src(document.images[a].name,"on");
   	}
   }
   
   fup_mo_preload_complete=true;
}
fup_mo_preload();

egg_lo=new Image();egg_lo.src="img/tn_egg_lo.gif";egg_hi=new Image();egg_hi.src="img/tn_egg_hi.gif";egg_on=new Image();egg_on.src="img/tn_egg_on.gif";
document.onkeydown=fup_keydown;
document.onkeyup=fup_keyup;
function fup_keydown(e)
{
	if (window.event) 
	{
		if (window.event.keyCode==18) 
		{
			if (document.images.tn_vip.src==fup_mo_get_src("tn_vip","lo")) 		{document.images.tn_vip.src=egg_lo.src;}
			else if (document.images.tn_vip.src==fup_mo_get_src("tn_vip","hi"))	{document.images.tn_vip.src=egg_hi.src;}
			else if (document.images.tn_vip.src==fup_mo_get_src("tn_vip","on"))	{document.images.tn_vip.src=egg_on.src;}
		}
	}
}
function fup_keyup(e)	{if (window.event) {if (window.event.keyCode==18) {document.images.tn_vip.src=document.images.tn_vip.src.replace(/egg/,"vip");}}}