	<!--

	function get_par(x){
		return (x ? "" : "none");
	}
	
	//nastavi kapitoly zalozek na right viditelnost (ta co je v par - ta chce byt displayed, other non visible)
	function set_visible_kap(kapitola,title){
		
		kapitola.style.display = '';
	 	title.style.color = "red";
			
		if(active_kapitola && active_kapitola != kapitola){
		 active_kapitola.style.display = "none";
 		 active_kapitola_title.style.color = "black";
		} 
		
		active_kapitola = kapitola;
		active_kapitola_title = title;
	}
		
	//nastavi zalozky - viditelnost
	function set_visible(a,b,c,d){
		document.all.koberec_text.style.display = get_par(a);
		document.all.podminka_text.style.display = get_par(b);
		document.all.sluzba_text.style.display = get_par(c);
		document.all.udrzba_text.style.display = get_par(d);						
	}
	
	//vrati o ktery obr se jedna 
	function get_gif(x){
		return (x ? "2" : "");
	}
	
	//nastavi obrazky=zalozky
	function set_gif(a,b,c,d){
		document.all.koberec.src = cesta_gif + "k" + get_gif(a) + ".gif";
		document.all.podminka.src = cesta_gif + "p" + get_gif(b) + ".gif";
		document.all.sluzba.src = cesta_gif + "s" + get_gif(c) + ".gif";
		document.all.udrzba.src = cesta_gif + "u" + get_gif(d) + ".gif";
	}
	
	//zobrazi spravne zalozku
	function get_zalozka(z){
		switch(z.id){
			case "koberec" : set_visible(1,0,0,0); set_gif(1,0,0,0); break;
			case "podminka" : set_visible(0,1,0,0); set_gif(0,1,0,0); break;
			case "sluzba" : set_visible(0,0,1,0); set_gif(0,0,1,0); break;
			case "udrzba" : set_visible(0,0,0,1); set_gif(0,0,0,1); break;
			default : set_visible(1,0,0,0); set_gif(1,0,0,0); break;
		}//switch
	}
	
	//zobrazi z odkazu v kapitolach dany odkaz, kapitolu, cisla zalozek a kapitola, odpovidajici indexum v zalozky.php a kapitoly.php
	function view_kapitola(zalozka,kapitola,title){
		get_zalozka(zalozka);
		set_visible_kap(kapitola,title);
	}

	//-->