function MenuShow(menuid){
		for(i=1; i<=2; i++) {
			var submenu = document.getElementById("submenu" + i);
			if(i == menuid)	submenu.style.display="";
			else submenu.style.display="none";
		}
	}

	function MenuHide(){
		for(i=1; i<=2; i++) {
			var submenu = document.getElementById("submenu" + i);
			submenu.style.display="none";
		}
	}


	function changeMenuToSub(menuid) {
		var menu = document.getElementById(menuid);
		var menu_active  = "url('img/bg_menu_active.gif')";
		menu.style.backgroundImage = menu_active;
		menu.style.color = "#2b4d82";
	}


	function changeMenuToDefault(menuid) {
		var menu = document.getElementById(menuid);
		var menu_active  = "url('img/bg_menu.gif')";
		menu.style.backgroundImage = menu_active;
		menu.style.color = "#ffffff";
	}


	function changeSubMenuToSub(menuid) {
		var menu = document.getElementById("subsubmenu" + menuid);
		var menu_active  = "#eff2fa";
		menu.style.background = menu_active;
	}


	function changeSubMenuToDefault(menuid) {
		var menu = document.getElementById("subsubmenu" + menuid);
		var menu_active  = "url('img/bg_submenu.gif')";
		menu.style.backgroundImage = menu_active;
	}

	function SubmenuInit() {
		for(i=1; i<=3; i++) {
			if(document.getElementById("submenu" + i)) document.getElementById("submenu" + i).style.display = "none";
		}
	}


	function showContent(contentid){
		var i = 18;
		while(document.getElementById("ref_details" + i) != null) {

			var content  = document.getElementById("ref_details" + i);
			content.style.display = "none";

			i++;
		}

		var opencontent  = document.getElementById("ref_details" + contentid);
		opencontent.style.display = "block";
	}

	function closeContent(contentid){
		var content  = document.getElementById("ref_details" + contentid);
		content.style.display="none";
	}