// JavaScript Document

	promenna = new Image();
	promenna.src = "pic/ploche_strechy_on.jpg";

	promenna = new Image();
	promenna.src = "pic/sikme_strechy_on.jpg";
	
	promenna = new Image();
	promenna.src = "pic/flexobit_on.jpg";

	promenna = new Image();
	promenna.src = "pic/klempirska_vyroba_on.jpg";
	
	promenna = new Image();
	promenna.src = "pic/zemni_izolace_on.jpg";