var menu = {
/*
	"header_home" : 
	{
		"on" : "images/bt-hd-home.png", 
		"off": "images/bt-hd-home.png"
	},
	"header_company" : 
	{
		"on" : "images/bt-hd-home.png", 
		"off": "images/bt-hd-home.png"
	},
	"header_business" : 
	{
		"on" : "images/bt-hd-home.png", 
		"off": "images/bt-hd-home.png"
	},
	"header_environment" : 
	{
		"on" : "images/bt-hd-home.png", 
		"off": "images/bt-hd-home.png"
	},
	"header_group" : 
	{
		"on" : "images/bt-hd-home.png", 
		"off": "images/bt-hd-home.png"
	},
	"header_sitemap" : 
	{
		"on" : "images/bt-hd-home.png", 
		"off": "images/bt-hd-home.png"
	},
	"header_contact" : 
	{
		"on" : "images/bt-hd-home.png", 
		"off": "images/bt-hd-home.png"
	}
	*/

};

var preloads = [];