//primary nav image swaps

function onTabOver(name) {
	document[name].src = '/en/images/' + name + '_on.jpg';
}

function onTabOut(name) {
	document[name].src = '/en/images/' + name + '.jpg';
}


//secondary nav dropdown

var defaultDiv = 'subnav0';
var divTimer;

function showNav(whichLayer) {
	
	var d = document.getElementById(whichLayer);
	clearTimeout(divTimer);

	for (var i = 0; i <= 5; i++) {
		var tempElement = 'subnav' + i;
		if (document.getElementById(tempElement)) {
			document.getElementById(tempElement).style.display='none';
		}
	}
	
	if (d) {
		d.style.display='block';
	}
	else
	{
		document.getElementById(defaultDiv).style.display='block';
	}
   
}

function hideNav(whichLayer) {
	
	var d = document.getElementById(whichLayer);
	divTimer = setTimeout( function() { 
	
		if (d) {
			d.style.display='none';
			document.getElementById(defaultDiv).style.display='block';
		}
	
	}, 100)
	
}