function navigate_page(cat_id,page_id){
	var url='ajax/get_page.php';
	var params = '&cat_id=' + cat_id;
	params += '&page_id='+ page_id;
	
	new Ajax.Request(url, {
		method: 'get',
		asynchronous: false,
		parameters: params,
		onStart: function(){
			load_spinner('content');
		},
		onSuccess: function(transport){
			if(transport.responseText != 'nok'){
				$('content').update(transport.responseText);
			}
		}
	});
}

function navigate_news(cat_id, news_id){
	var url='ajax/get_news.php';
	var params = '&cat_id=' + cat_id;
	params += '&news_id='+ news_id;
	
	new Ajax.Request(url, {
		method: 'get',
		asynchronous: false,
		parameters: params,
		onStart: function(){
			load_spinner('content');
		},
		onSuccess: function(transport){
			if(transport.responseText != 'nok'){
				$('content').update(transport.responseText);
			}
		}
	});
}

function show_sub(menu_id){
	var submenu = $$('.submenu_active');
	//alert(submenu.length);
	for(i=0;i<submenu.length;i++){
	//	new Effect.Blindup(submenu[i]);
		new Effect.BlindUp(submenu[i].id, {
			duration: 0.5
		});
		set_classname(submenu[i].id,'submenu_hidden');
	}
	set_classname('sub' + menu_id, 'submenu_active');
	setTimeout("new Effect.BlindDown('sub"+ menu_id + "',{duration: 0.5});",100);
}

function set_classname(the_id, the_classname){
	$(the_id).className = the_classname;	
}

function load_spinner(div_id){
	$(div_id).update('<img src="/images/spinner.gif" />');
}

function show_cat_links(cat_id){
	var active_linkmenus = $$('.submenu_active');
	for(i=0;i<active_linkmenus.length;i++){
		new Effect.BlindUp(active_linkmenus[i].id,{
			duration: 0.5
		});
		set_classname(active_linkmenus[i].id,'submenu_hidden');
	}
	set_classname('submenu_links'+ cat_id,'submenu_active');
	setTimeout("new Effect.BlindDown('submenu_links" + cat_id + "',{duration: 0.5});",100);
}

function show_location(location_id){
	var active_locationmenus = $$('.submenu_active');
	for(i=0;i<active_locationmenus.length;i++){
		new Effect.BlindUp(active_locationmenus[i].id,{
			duration: 0.5
		});
		set_classname(active_locationmenus[i].id,'submenu_hidden');
	}
	set_classname('sublocation_'+ location_id,'submenu_active');
	setTimeout("new Effect.BlindDown('sublocation_" + location_id + "',{duration: 0.5});",100);

}

function navigate_specs(specification_id,location_id){
	var url= '/ajax/get_specs.php';
	var params = '&location_id='+ location_id;
	params += '&specification_id='+ specification_id;
	new Ajax.Request(url, {
		method: 'get',
		asynchronous: false,
		parameters: params,
		onStart: function(){
			load_spinner('content');
		},
		onSuccess: function(transport){
			$('content').update(transport.responseText);
		}
	});

}

function navigate_personel(location_id){
	var url = '/ajax/get_crew.php';
	var params = '&location_id=' + location_id;
	new Ajax.Request(url, {
		method: 'get',
		asynchronous: false,
		parameters: params,
		onStart: function(){
			load_spinner('content');
		},
		onSuccess: function(transport){
			$('content').update(transport.responseText);
		}
	});
}