// JavaScript Document
cache1=new Image();
cache1.src="pictures/menu_01_onas.jpg";
cache2=new Image(); 
cache2.src="pictures/menu_01_onas_ac.jpg";
cache3=new Image();
cache3.src="pictures/menu_02_sluzby.jpg"; 
cache4=new Image(); 
cache4.src="pictures/menu_02_sluzby_ac.jpg";
cache5=new Image();
cache5.src="pictures/menu_03_reference.jpg"; 
cache6=new Image(); 
cache6.src="pictures/menu_03_reference_ac.jpg";
cache7=new Image();
cache7.src="pictures/menu_04_kontakty.jpg";
cache8=new Image(); 
cache8.src="pictures/menu_04_kontakty_ac.jpg";