// Current Page Button BG Change

var currentPage = returnFilename();

if (currentPage == "")
{
	currentPage = "index";
}

if (document.location.href.indexOf("gallery") > -1)
{
	currentPage = "photos";
}

if (document.location.href.indexOf("directions") > -1)
{
	currentPage = "about";
}

var filePath = document.getElementById(currentPage).src;

var newFilePath = filePath.substring(0,filePath.lastIndexOf("/")-4) + "current" + filePath.substring(filePath.lastIndexOf("/"));
document.getElementById(currentPage).src = newFilePath;

// document.getElementById(currentPage).src = "current";

function returnFilename()
{
	var file_name = document.location.href;
	if (file_name.indexOf(".html") == -1)
	{
		return "";
	} else {
    	var end = (file_name.indexOf("?") == -1) ? file_name.length : file_name.indexOf("?");
    	return file_name.substring(file_name.lastIndexOf("/")+1, end-5);
	}
}