/**********************************************************************************   
FoldoutMenu 
*   Copyright (C) 2006 Jenny Löfgren
*********************************************************************************/

function setVisibility(el, visible)
{
	if (visible) {
		el.style.visibility = "visible";
	} else {
		el.style.visibility = "hidden";
	}
}
	
function menu_mouseover(elem) {
	var moverDiv = document.getElementById(elem.id+"_over");
	setVisibility(moverDiv, true);

	var moutDiv = document.getElementById(elem.id+"_out");
	setVisibility(moutDiv, false);
}	
function menu_mouseout(elem) {
	var moverDiv = document.getElementById(elem.id+"_over");
	setVisibility(moverDiv, false);

	var moutDiv = document.getElementById(elem.id+"_out");
	setVisibility(moutDiv, true);
}

var visibleSubmenu = null;
function menu_click(elem) {
	var submenuDiv = document.getElementById(elem.id+"_sub");
	if (submenuDiv==null) {
		// Det fanns ingen undermeny
		return true;
	}


	if (submenuDiv.style.display=="") {
		submenuDiv.style.display = "none";
	} else {
		submenuDiv.style.display = "";
	}
	if (visibleSubmenu!=null) {
		visibleSubmenu.style.display = "none";
	}
	if (visibleSubmenu!=submenuDiv)
		visibleSubmenu = submenuDiv;
	else
		visibleSubmenu = null;
	
	return false;
}