//add menu items in reverse order;  the text is the name of the graphic that shows up when you highlight the column;
var menu0 = new Array("vitae");
var menu1 = new Array("interest");
var menu2 = new Array("research");
var menu3 = new Array("courses");
var menu4 = new Array("prestatistic","interactions","stata");

//add new menus here for main nav
var menu_items = new Array(menu0,menu1,menu2,menu3,menu4);		

//don't fuck with this;  your SELECTED graphics have to be labled <graphic_name>_on.gif 
function openMenu(nav1,nav2) {
	for (var i = 0; i < menu_items[nav1].length; i++) {
		image_name = "menu" + nav1 + i;
		document[image_name].src = "images/" + menu_items[nav1][i] + ".jpg"
		if (nav2 == i) 
			document[image_name].src = "images/" + menu_items[nav1][i] + "_on.jpg"
	}
}

//don't fuck with this;  your blank graphic has to be named "blank.gif"
function closeMenu(nav1) {
	//turn everything off
	for (var i = 0; i < menu_items[nav1].length; i++) {
		image_name = "menu" + nav1 + i;
		document[image_name].src = "images/blank.jpg"
	}
	
	//turn the main nav graphic on;  This is the name of the graphic that shows up when the column is NOT highlighted.   
	last_value = menu_items[nav1].length - 1
	image_name = "menu" + nav1 + last_value;
	document[image_name].src = "images/" + menu_items[nav1][last_value] + ".jpg"
}