var loaded = false;



if (document.images) {

	var buzzword1 = new Image();

	buzzword1.src = "/exhibits/charters/images/top_buzzword_1_off.gif";

	var buzzword2 = new Image();

	buzzword2.src = "/exhibits/charters/images/top_buzzword_2_off.gif";

	var buzzword3 = new Image();

	buzzword3.src = "/exhibits/charters/images/top_buzzword_3_off.gif";

	var buzzword4 = new Image();

	buzzword4.src = "/exhibits/charters/images/top_buzzword_4_off.gif";

	var buzzword5 = new Image();

	buzzword5.src = "/exhibits/charters/images/top_buzzword_5_off.gif";

	var buzzword1on = new Image();

	buzzword1on.src = "/exhibits/charters/images/top_buzzword_1_on.gif";

	var buzzword2on = new Image();

	buzzword2on.src = "/exhibits/charters/images/top_buzzword_2_on.gif";

	var buzzword3on = new Image();

	buzzword3on.src = "/exhibits/charters/images/top_buzzword_3_on.gif";

	var buzzword4on = new Image();

	buzzword4on.src = "/exhibits/charters/images/top_buzzword_4_on.gif";

	var buzzword5on = new Image();

	buzzword5on.src = "/exhibits/charters/images/top_buzzword_5_on.gif";

	

	var tab1 = new Image();

	tab1.src = "/exhibits/charters/images/nav_tab_1_off.gif";

	var tab2 = new Image();

	tab2.src = "/exhibits/charters/images/nav_tab_2_off.gif";

	var tab3 = new Image();

	tab3.src = "/exhibits/charters/images/nav_tab_3_off.gif";

	var tab4 = new Image();

	tab4.src = "/exhibits/charters/images/nav_tab_4_off.gif";

	var tab5 = new Image();

	tab5.src = "/exhibits/charters/images/nav_tab_5_off.gif";

	var tab6 = new Image(); //footer home link

	tab6.src = "/exhibits/charters/images/footer_nae_home_link_off.gif";

	var tab1on = new Image();

	tab1on.src = "/exhibits/charters/images/nav_tab_1_on.gif";

	var tab2on = new Image();

	tab2on.src = "/exhibits/charters/images/nav_tab_2_on.gif";

	var tab3on = new Image();

	tab3on.src = "/exhibits/charters/images/nav_tab_3_on.gif";

	var tab4on = new Image();

	tab4on.src = "/exhibits/charters/images/nav_tab_4_on.gif";

	var tab5on = new Image();

	tab5on.src = "/exhibits/charters/images/nav_tab_5_on.gif";

	var tab6on = new Image();

	tab6on.src = "/exhibits/charters/images/footer_nae_home_link_on.gif";



	var footer1 = new Image();

	footer1.src = "/exhibits/charters/images/nav_footer_1_off.gif";

	var footer2 = new Image();

	footer2.src = "/exhibits/charters/images/nav_footer_2_off.gif";

	var footer3 = new Image();

	footer3.src = "/exhibits/charters/images/nav_footer_3_off.gif";

	var footer4 = new Image();

	footer4.src = "/exhibits/charters/images/nav_footer_4_off.gif";

	var footer5 = new Image();

	footer5.src = "/exhibits/charters/images/nav_footer_5_off.gif";

	var footer1on = new Image();

	footer1on.src = "/exhibits/charters/images/nav_footer_1_on.gif";

	var footer2on = new Image();

	footer2on.src = "/exhibits/charters/images/nav_footer_2_on.gif";

	var footer3on = new Image();

	footer3on.src = "/exhibits/charters/images/nav_footer_3_on.gif";

	var footer4on = new Image();

	footer4on.src = "/exhibits/charters/images/nav_footer_4_on.gif";

	var footer5on = new Image();

	footer5on.src = "/exhibits/charters/images/nav_footer_5_on.gif";

}





function topNavRollOut(n) {

	if (loaded) {

		if (n < 6) {

			eval("document.images.buzzword"+n+".src = buzzword"+n+".src");

		}

		eval("document.images.tab"+n+".src = tab"+n+".src");

	}

}



function topNavRollOver(n) {

	if (loaded) {

		if (n < 6) {

			eval("document.images.buzzword"+n+".src = buzzword"+n+"on.src");

		}

		eval("document.images.tab"+n+".src = tab"+n+"on.src");

	}

}



function footerNavRollOut(n) {

	if (loaded) {

		eval("document.images.footer"+n+".src = footer"+n+".src");

	}

}



function footerNavRollOver(n) {

	if (loaded) {

		eval("document.images.footer"+n+".src = footer"+n+"on.src");

	}

}





// Popup Window Code

if (document.all) {

	var xMax = screen.width, yMax = screen.height;

} else {

	if (document.layers) {

		var xMax = window.outerWidth, yMax = window.outerHeight;

	} else {

		var xMax = 800, yMax = 600;

	}

}



function popupWindow(fileName) {	

	winWidth = 790;

	winHeight = yMax - (yMax/5);



	window.open(fileName,'popupWindow','scrollbars=yes,status=yes,directories=no,menubar=no,toolbar=no,location=no,resizable=yes,width='+winWidth+',height='+winHeight);

}

// End Popup Window Code