//Pre-cache all the rollovers for the Charters Exhibit Thumb Navigation

if (document.images) {
	var chartersThumbNav0 = new Image();
	chartersThumbNav0.src = "/exhibits/charters/images/clear_pixel.gif";
	var chartersThumbNav1 = new Image();
	chartersThumbNav1.src = "/exhibits/charters/images/charters_exhibit_main_thumb_nav_roll_1.gif";
	var chartersThumbNav2 = new Image();
	chartersThumbNav2.src = "/exhibits/charters/images/charters_exhibit_main_thumb_nav_roll_2.gif";
	var chartersThumbNav3 = new Image();
	chartersThumbNav3.src = "/exhibits/charters/images/charters_exhibit_main_thumb_nav_roll_3.gif";
	var chartersThumbNav4 = new Image();
	chartersThumbNav4.src = "/exhibits/charters/images/charters_exhibit_main_thumb_nav_roll_4.gif";
	var chartersThumbNav5 = new Image();
	chartersThumbNav5.src = "/exhibits/charters/images/charters_exhibit_main_thumb_nav_roll_5.gif";
	var chartersThumbNav6 = new Image();
	chartersThumbNav6.src = "/exhibits/charters/images/charters_exhibit_main_thumb_nav_roll_6.gif";
	var chartersThumbNav7 = new Image();
	chartersThumbNav7.src = "/exhibits/charters/images/charters_exhibit_main_thumb_nav_roll_7.gif";
	var chartersThumbNav8 = new Image();
	chartersThumbNav8.src = "/exhibits/charters/images/charters_exhibit_main_thumb_nav_roll_8.gif";
	var chartersThumbNav9 = new Image();
	chartersThumbNav9.src = "/exhibits/charters/images/charters_exhibit_main_thumb_nav_roll_9.gif";
	var chartersThumbNav10 = new Image();
	chartersThumbNav10.src = "/exhibits/charters/images/charters_exhibit_main_thumb_nav_roll_10.gif";
	var chartersThumbNav11 = new Image();
	chartersThumbNav11.src = "/exhibits/charters/images/charters_exhibit_main_thumb_nav_roll_11.gif";
	var chartersThumbNav12 = new Image();
	chartersThumbNav12.src = "/exhibits/charters/images/charters_exhibit_main_thumb_nav_roll_12.gif";
	var chartersThumbNav13 = new Image();
	chartersThumbNav13.src = "/exhibits/charters/images/charters_exhibit_main_thumb_nav_roll_13.gif";
	var chartersThumbNav14 = new Image();
	chartersThumbNav14.src = "/exhibits/charters/images/charters_exhibit_main_thumb_nav_roll_14.gif";
	var chartersThumbNav15 = new Image();
	chartersThumbNav15.src = "/exhibits/charters/images/charters_exhibit_main_thumb_nav_roll_15.gif";
	var chartersThumbNav16 = new Image();
	chartersThumbNav16.src = "/exhibits/charters/images/charters_exhibit_main_thumb_nav_roll_16.gif";
	var chartersThumbNav17 = new Image();
	chartersThumbNav17.src = "/exhibits/charters/images/charters_exhibit_main_thumb_nav_roll_17.gif";
}


//Functions used for Charters of Freedom Exhibit nav thumbnail rollovers
function charters_exhibit_main_nav_roll(n) {
	if (loaded) {
			eval ("document.images.chartersExhibitNav.src = chartersThumbNav"+n+".src");
	}
}

function charters_exhibit_reset_main_nav() {
	if (loaded) {
		eval ("document.images.chartersExhibitNav.src = chartersThumbNav"+currentCase+".src");
	}
}