meet = new Image(); meet.src="images/home/btn_meet_dentist.gif";
meet_over = new Image(); meet_over.src="images/home/btn_meet_dentist_over.gif";
services = new Image(); services.src="images/home/btn_patient_services.gif";
services_over = new Image(); services_over.src="images/home/btn_patient_services_over.gif";
photo = new Image(); photo.src="images/home/btn_gallery.gif";
photo_over = new Image(); photo_over.src="images/home/btn_gallery_over.gif";
questions = new Image(); questions.src="images/home/btn_questions.gif";
questions_over = new Image(); questions_over.src="images/home/btn_questions_over.gif";
post_op = new Image(); post_op.src="images/home/btn_post_op.gif";
post_op_over = new Image(); post_op_over.src="images/home/btn_post_op_over.gif";
resources = new Image(); resources.src="images/home/btn_resources.gif";
resources_over = new Image(); resources_over.src="images/home/btn_resources_over.gif";
contact = new Image(); contact.src="images/home/btn_contact.gif";
contact_over = new Image(); contact_over.src="images/home/btn_contact_over.gif";

function changeImages(imageName,imageID){
	document.images[imageName].src = eval(imageID + ".src");
}

function leaveSite(site){
	if (confirm('You are now leaving Princeton Denistry. Princeton Denistry is not responsible for the content of any other site.\n\n Click OK to continue to the site') == 1) {
		window.open(site, 'perceptions','toolbar=yes,width=800,height=600,directories=no,status=no,scrollbars=yes,resizable=yes,menubar=yes');
	}
}
var width = screen.width;
var height = screen.height;
function openTutorial(){
  popUpWidth = 449;
  popUpHeight = 420;
  positionTop = ((height/2) - (popUpHeight/2));
  positionLeft = ((width/2) - (popUpWidth/2));
  tutorial=window.open('tutorial.html','tutorial', config='width=' + popUpWidth + ',height=' + popUpHeight + ',left=' + positionLeft + ',top=' + positionTop + ',toolbar=no,directories=0,status=0,menubar=no,resizable=no,scrollbars=no');
}