<!--

function preLoad() {
	about_us = new Image(146,19);
	about_us.src = "images/btn_about_us1.gif";

	email = new Image(146,19);
	email.src = "images/btn_email1.gif";

	startclock();
}

if (document.images) { 
	img_about_us_on = new Image(146,19);
	img_about_us_on.src = "images/btn_about_us1.gif";
	img_about_us_off = new Image(146,19);
	img_about_us_off.src = "images/btn_about_us.gif";

	img_email_on = new Image(146,19);
	img_email_on.src = "images/btn_email1.gif";
	img_email_off = new Image(146,19);
	img_email_off.src = "images/btn_email.gif";
}

function changeImages() {
	if (document.images) { 
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
		}
	}
}

//-->