<!---this is flash pop up script-->
function closeMe() {
	document.getElementById('ad').style.visibility = 'hidden';
	document.getElementById('ad').style.display = 'none';
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}


function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		img_arrows_01_down = newImage("images/img_arrows_01_down.gif");
		img_arrows_02_down = newImage("images/img_arrows_02_down.gif");
		nhyc_navgen_02_over = newImage("images/nhyc_navgen_02_over.gif");
		nhyc_navgen_02_click = newImage("images/nhyc_navgen_02_click.gif");
		nhyc_navgen_04_over = newImage("images/nhyc_navgen_04_over.gif");
		nhyc_navgen_04_click = newImage("images/nhyc_navgen_04_click.gif");
		nhyc_navgen_06_over = newImage("images/nhyc_navgen_06_over.gif");
		nhyc_navgen_06_click = newImage("images/nhyc_navgen_06_click.gif");
		nhyc_navgen_08_over = newImage("images/nhyc_navgen_08_over.gif");
		nhyc_navgen_08_click = newImage("images/nhyc_navgen_08_click.gif");
		nhyc_navgen_10_over = newImage("images/nhyc_navgen_10_over.gif");
		nhyc_navgen_10_click = newImage("images/nhyc_navgen_10_click.gif");
		nhyc_navgen_12_over = newImage("images/nhyc_navgen_12_over.gif");
		nhyc_navgen_12_click = newImage("images/nhyc_navgen_12_click.gif");
		preloadFlag = true;
	}
}