// JavaScript Document

function bookmarks(id){
	
	//vypnuti zalozek
	var bookmarksELM = document.getElementById('bookmarks');	
	var bookmarks = bookmarksELM.getElementsByTagName('a');
	

	for(var i=0; i< bookmarks.length; i++){
		var bookmarks_id = bookmarks[i].getAttribute("id");
		if(bookmarks_id == 'butt_popis')bookmarks[i].setAttribute("class", "zalozka_00");
		if(bookmarks_id == 'butt_souvisejici')bookmarks[i].setAttribute("class", "zalozka_01");
		if(bookmarks_id == 'butt_tabulky')bookmarks[i].setAttribute("class", "zalozka_02");
		//bookmarks[i].setAttribute("class", "zalozka_0" + i );	
	}

	//aktivace zalozky
	var bookmarkAC = document.getElementById('butt_' + id);
		bookmarkAC.setAttribute("class", "zalozka_" + id + "_ac");
		
	//skryti obsahu
	var contentID = Array ('popis', 'souvisejici', 'tabulky');
	
	for(var i=0; i<contentID.length; i++){
		var contentELM = document.getElementById(contentID[i]);
			if(contentELM) contentELM.setAttribute('class', 'hide');
	}
	
	//zobrazeni obsahu
	var show = document.getElementById(id);
		show.setAttribute('class', 'show');		
}