if ( document.images ) {
	var image01on = new Image();
	image01on.src = imgSrc + "nav/home-on.gif";
	var image02on = new Image();
	image02on.src = imgSrc + "nav/about-us-on.gif";
	var image03on = new Image();
	image03on.src = imgSrc + "nav/services-on.gif";
	var image04on = new Image();
	image04on.src = imgSrc + "nav/schedule-your-visit-on.gif";
	var image05on = new Image();
	image05on.src = imgSrc + "nav/patients-tell-all-on.gif";
	var image06on = new Image();
	image06on.src = imgSrc + "nav/docs-on.gif";
	var image07on = new Image();
	image07on.src = imgSrc + "nav/links-on.gif";
	
	var image01off = new Image();
	image01off.src = imgSrc + "nav/home-off.gif";
	var image02off = new Image();
	image02off.src = imgSrc + "nav/about-us-off.gif";
	var image03off = new Image();
	image03off.src = imgSrc + "nav/services-off.gif";
	var image04off = new Image();
	image04off.src = imgSrc + "nav/schedule-your-visit-off.gif";
	var image05off = new Image();
	image05off.src = imgSrc + "nav/patients-tell-all-off.gif";
	var image06off = new Image();
	image06off.src = imgSrc + "nav/docs-off.gif";
	var image07off = new Image();
	image07off.src = imgSrc + "nav/links-off.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" );
		}
	}
}