// create new Image objects and define widths
// n = normal, h = hover

// main nav
var synopsis_n 	= new Image();
var synopsis_h 	= new Image();
var cast_n 		= new Image();
var cast_h 		= new Image();
var crew_n 		= new Image();
var crew_h 		= new Image();
var gallery_n 	= new Image();
var gallery_h 	= new Image();
var music_n 	= new Image();
var music_h 	= new Image();
var home_n 		= new Image(73,33);
var home_h 		= new Image(73,33);

synopsis_n.src 	= "images/mainNav_synopsis.jpg";
synopsis_h.src 	= "images/mainNav_synopsis_hover.jpg";
cast_n.src 		= "images/mainNav_cast.jpg";
cast_h.src 		= "images/mainNav_cast_hover.jpg";
crew_n.src 		= "images/mainNav_crew.jpg";
crew_h.src 		= "images/mainNav_crew_hover.jpg";
gallery_n.src 	= "images/mainNav_gallery.jpg";
gallery_h.src 	= "images/mainNav_gallery_hover.jpg";
music_n.src 	= "images/mainNav_music.jpg";
music_h.src 	= "images/mainNav_music_hover.jpg";
home_n.src 		= "images/home.gif";
home_h.src 		= "images/home_hover.gif";	

// sub nav
var press_n 	= new Image(139,34);
var press_h 	= new Image(139,34);
var credits_n 	= new Image(190,49);
var credits_h 	= new Image(190,49);
var director_n 	= new Image(127,36);
var director_h 	= new Image(127,36);

press_n.src 	= "images/subNav_press.jpg";
press_h.src 	= "images/subNav_press_hover.jpg";
credits_n.src 	= "images/subNav_credits.jpg";
credits_h.src 	= "images/subNav_credits_hover.jpg";
director_n.src 	= "images/subNav_director.jpg";
director_h.src 	= "images/subNav_director_hover.jpg";

function roll(imgName, d)
{
	d == "on" ? dir = "h" : dir = "n";

	if(document.images)
	{
		imgOn = eval(imgName + "_" + dir + ".src");
		document[imgName].src = imgOn;
	}
}