if (document.images) {

			
	about = new Image();
	about.src = "images/nav_about_01.jpg";

	about_on = new Image();
	about_on.src = "images/nav_about_02.jpg";
	
	
	microtia = new Image();
	microtia.src = "images/nav_microtia_01.jpg";

	microtia_on = new Image();
	microtia_on.src = "images/nav_microtia_02.jpg";
	
	
	surgical = new Image();
	surgical.src = "images/nav_surgical_01.jpg";

	surgical_on = new Image();
	surgical_on.src = "images/nav_surgical_02.jpg";
	
	
	firstVisit= new Image();
	firstVisit.src = "images/nav_firstVisit_01.jpg";

	firstVisit_on = new Image();
	firstVisit_on.src = "images/nav_firstVisit_02.jpg";
	

	contact = new Image();
	contact.src = "images/nav_contact_01.jpg";

	contact_on = new Image();
	contact_on.src = "images/nav_contact_02.jpg";
	
	
	earRepair = new Image();
	earRepair.src = "images/nav_earRepair_01.jpg";

	earRepair_on = new Image();
	earRepair_on.src = "images/nav_earRepair_02.jpg";
	
	
	gallery = new Image();
	gallery.src = "images/nav_gallery_01.jpg";

	gallery_on = new Image();
	gallery_on.src = "images/nav_gallery_02.jpg";
	
	
		
}



	<!--
	
	//Disable right mouse click Script
	//By Maximus (maximus@nsimail.com) w/ mods by DynamicDrive
	//For full source code, visit http://www.dynamicdrive.com
	
	var message="Function Disabled!";
	
	///////////////////////////////////
	function clickIE4(){
	if (event.button==2){
	alert(message);
	return false;
	}
	}
	
	function clickNS4(e){
	if (document.layers||document.getElementById&&!document.all){
	if (e.which==2||e.which==3){
	alert(message);
	return false;
	}
	}
	}
	
	if (document.layers){
	document.captureEvents(Event.MOUSEDOWN);
	document.onmousedown=clickNS4;
	}
	else if (document.all&&!document.getElementById){
	document.onmousedown=clickIE4;
	}
	
	document.oncontextmenu=new Function("alert(message);return false")
	
	// --> 



var viewStudio = null;

function popup(url){

	var str = centerWindow(500,502);

	viewStudio = window.open(url, "viewStudio",
"location=no,menubar=no,resizable=no,scrollbars=no," + str);
	viewStudio.focus();

}

var viewStudio = null;

function popup(url){

	var str = centerWindow(420,500);

	viewStudio = window.open(url, "viewStudio",
"location=no,menubar=no,resizable=no,scrollbars=yes," + str);
	viewStudio.focus();

}

function centerWindow(width,height) {

	if(window.screen){

		if(screen.availHeight-30 <= height){

			height = screen.availHeight - 30;

		}

		if(screen.availWidth-10 <= width){

			width = screen.availWidth - 10;

		}

	}

	var str = "height=" + height + ",innerHeight=" + (height+30);
	str += ",width=" + width + ",innerWidth=" + width;

	if (window.screen) {

		var ah = screen.availHeight - 30;
		var aw = screen.availWidth - 10;

		var xc = (aw - width) / 2;
		var yc = (ah - height) / 2;

    	str += ",left=" + xc + ",screenX=" + xc;
    	str += ",top=" + yc + ",screenY=" + yc;
  	}

  	return str;

}






// NAV
// Function to 'activate' images.
function imgOn(imgName) {
	
	if (document.images) {
	
		document[imgName].src = eval(imgName + "_on.src");
		
	}
	
}


// NAV
// Function to 'deactivate' images.
function imgOff(imgName) {

	if (document.images) {
	
		document[imgName].src = eval(imgName + ".src");
		
	}
	
}