function init_contacts_menu(){
	$('others_menu_main').observe('mouseover', contacts_item_hover);
	$('others_menu_main').observe('mouseout', contacts_item_out);
	$$('.dropmenu').invoke('observe', 'mouseover', contacts_sub_hover);
	$$('.dropmenu').invoke('observe', 'mouseout', contacts_sub_out);
}

function contacts_item_hover(event){
	$('sub_others').show();
}

function contacts_item_out(event){
	$('sub_others').hide();
}

function contacts_sub_hover(event){
	$('sub_others').show();
}

function contacts_sub_out(event){
	$$('ul.dropmenu').invoke('hide')
}

function init_news_menu(){
	$('ks_menu_main').observe('mouseover', news_item_hover);
	$('ks_menu_main').observe('mouseout', news_item_out);
	$$('.dropmenu').invoke('observe', 'mouseover', news_sub_hover);
	$$('.dropmenu').invoke('observe', 'mouseout', news_sub_out);
}

function news_item_hover(event){
	$('sub_sprava').show();
}

function news_item_out(event){
	$('sub_sprava').hide();
}

function news_sub_hover(event){
	$('sub_sprava').show();
}

function news_sub_out(event){
	$$('ul.dropmenu').invoke('hide')
}

function get_new_item_id(event){
	var element = Event.element(event);
	var ancestors = element.ancestors();
	var parent_li = ancestors[0];
	return parent_li.id;
}

function get_news_sub_box(event){
	var element = Event.element(event);
	var ancestors = element.ancestors();
	return ancestors[1];
}

function init_authors_menu(){
	$('authors_item').observe('mouseover', authors_item_hover);
	$('authors_item').observe('mouseout', authors_item_out);
	$$('.dropmenu').invoke('observe', 'mouseover', authors_sub_hover);
	$$('.dropmenu').invoke('observe', 'mouseout', authors_sub_out);
}

function authors_item_hover(event){
	$('sub_autori').show();
}

function authors_item_out(event){
	$('sub_autori').hide();
}

function authors_sub_hover(event){
	$('sub_autori').show();
}

function authors_sub_out(event){
	$$('ul.dropmenu').invoke('hide')
}