////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

// load images

// navbar
var home_a = new Image();
home_a.src = "images/home_a.gif";
var home_b = new Image();
home_b.src = "images/home_b.gif";

var about_a = new Image();
about_a.src = "images/about_a.gif";
var about_b = new Image();
about_b.src = "images/about_b.gif";

var concept_a = new Image();
concept_a.src = "images/concept_a.gif";
var concept_b = new Image();
concept_b.src = "images/concept_b.gif";

var technology_a = new Image();
technology_a.src = "images/technology_a.gif";
var technology_b = new Image();
technology_b.src = "images/technology_b.gif";

var products_a = new Image();
products_a.src = "images/products_a.gif";
var products_b = new Image();
products_b.src = "images/products_b.gif";

var links_a = new Image();
links_a.src = "images/links_a.gif";
var links_b = new Image();
links_b.src = "images/links_b.gif";

var contact_a = new Image();
contact_a.src = "images/contact_a.gif";
var contact_b = new Image();
contact_b.src = "images/contact_b.gif";

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

var site = {
	
	tab: "",

	setNavbar: function(val)
	{
		// set the active tab value
		site.tab = val;
		//alert("val="+site.tab);

		// set the active tab image
		var tabName = site.tab+"Img";
		document.getElementById(tabName).src = eval(val+"_b.src");
	},

	navbarOver: function(val)
	{
		var tabName = val+"Img";
		document.getElementById(tabName).src = eval(val+"_b.src");
	},

	navbarOut: function(val)
	{
		if (val !== site.tab)
		{
			var tabName = val+"Img";
			document.getElementById(tabName).src = eval(val+"_a.src");
		}
	}


} // end namespace site

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////