// JavaScript Document
cache1=new Image();
cache1.src="./images/menu_01_ac.gif";
cache2=new Image();
cache2.src="./images/menu_02_ac.gif";
cache3=new Image();
cache3.src="./images/menu_03_ac.gif";
cache4=new Image();
cache4.src="./images/menu_04_ac.gif";