// Begin Dropdown script

function showLayer(id) 
{
	var div = returnDiv(id);
	div.visibility = "visible";
}

function hideLayer(id) 
{
        var div = returnDiv(id);
        div.visibility = "hidden";
		previousLayer = "";
}
   
var tim;
var previousLayer = "";

function mouseOutOfLayer(id)
{
	func = "hideLayer('"+id+"')";
	tim = setTimeout(func, 100);
}
 
function mouseIntoLayer(id)
{
	clearTimeout(tim);
	if(previousLayer != id)
	{
		if(previousLayer != "")
			hideLayer(previousLayer);
		showLayer(id);
	}
	previousLayer = id;
}


function returnDiv(id) {
	if (document.all) // IE
	{
		var div = document.all(id).style;
	}
	else if (document.layers) // NS4
	{
		var div = document.layers[id];
	}
	else if (document.getElementById) // NS6
	{
		var div = document.getElementById(id).style;
	}
	return div;
}