// Top menu scripts

var fadetime = 500;
var fadetimer = 0;
var menuid = 0;
var img = 0;
var oldsrc = "";

function menuopen(id) {
	// leave menu open
	menudelayfade();
	// close other menu(s)
	if (menuid) 
		menuid.style.visibility = 'hidden';
	// get menu id and display
	menuid = document.getElementById(id);
	menuid.style.visibility = 'visible';
}

function menuclose () {
	if (menuid) 
		menuid.style.visibility = 'hidden';
}

function menufade () {
	fadetimer = window.setTimeout(menuclose, fadetime);
}

function menudelayfade () {
	if (fadetimer) {
		window.clearTimeout(fadetimer);
		fadetimer = null;
	}
}

function docclose () {
	menuclose ();
}
	
document.onclick = docclose;	


// Side menu scripts