// JavaScript Document
cache1=new Image();
cache1.src="pictures/head_menu_01.png"; 
cache2=new Image(); 
cache2.src="pictures/head_menu_01_cb.png";
cache3=new Image();
cache3.src="pictures/head_menu_02.png"; 
cache4=new Image(); 
cache4.src="pictures/head_menu_02_cb.png";
cache5=new Image();
cache5.src="pictures/head_menu_03.png"; 
cache6=new Image(); 
cache6.src="pictures/head_menu_03_cb.png";
cache7=new Image();
cache7.src="pictures/menu_01_uvod.png"; 
cache8=new Image(); 
cache8.src="pictures/menu_01_uvod_ac.png";
cache9=new Image(); 
cache9.src="pictures/menu_02_kalibrace.png";
cache10=new Image(); 
cache10.src="pictures/menu_02_kalibrace_ac.png";
cache11=new Image(); 
cache11.src="pictures/menu_03_geodet.png";
cache12=new Image(); 
cache12.src="pictures/menu_03_geodet_ac.png";
cache13=new Image(); 
cache13.src="pictures/menu_04_foto.png";
cache14=new Image(); 
cache14.src="pictures/menu_04_foto_ac.png";
cache15=new Image(); 
cache15.src="pictures/menu_05_kontakty.png";
cache16=new Image(); 
cache16.src="pictures/menu_05_kontakty_ac.png";