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) {
		welcome_over = newImage("sidebar/welcome-over.jpg");
		welcome_meetdr_over = newImage("sidebar/welcome-meetdr_over.jpg");
		welcome_patientinfo_over = newImage("sidebar/welcome-patientinfo_over.jpg");
		welcome_periodontaldisease_over = newImage("sidebar/welcome-periodontaldisease_.jpg");
		welcome_dentalimplants_over = newImage("sidebar/welcome-dentalimplants_over.jpg");
		welcome_procedures_over = newImage("sidebar/welcome-procedures_over.jpg");
		welcome_consequences_over = newImage("sidebar/welcome-consequences_over.jpg");
		welcome_faq_over = newImage("sidebar/welcome-faq_over.jpg");
		welcome_links_over = newImage("sidebar/welcome-links_over.jpg");
		welcome_contactus_over = newImage("sidebar/welcome-contactus_over.jpg");
		meetdr_welcome_over = newImage("sidebar/meetdr-welcome_over.jpg");
		meetdr_over = newImage("sidebar/meetdr-over.jpg");
		meetdr_patientinfo_over = newImage("sidebar/meetdr-patientinfo_over.jpg");
		meetdr_periodontaldisease_over = newImage("sidebar/meetdr-periodontaldisease_o.jpg");
		meetdr_dentalimplants_over = newImage("sidebar/meetdr-dentalimplants_over.jpg");
		meetdr_procedures_over = newImage("sidebar/meetdr-procedures_over.jpg");
		meetdr_consequences_over = newImage("sidebar/meetdr-consequences_over.jpg");
		meetdr_faq_over = newImage("sidebar/meetdr-faq_over.jpg");
		meetdr_links_over = newImage("sidebar/meetdr-links_over.jpg");
		meetdr_contactus_over = newImage("sidebar/meetdr-contactus_over.jpg");
		patientinfo_welcome_over = newImage("sidebar/patientinfo-welcome_over.jpg");
		patientinfo_meetdr_over = newImage("sidebar/patientinfo-meetdr_over.jpg");
		patientinfo_over = newImage("sidebar/patientinfo-over.jpg");
		patientinfo_periodontaldisease_over = newImage("sidebar/patientinfo-periodontaldise.jpg");
		patientinfo_dentalimplants_over = newImage("sidebar/patientinfo-dentalimplants_.jpg");
		patientinfo_procedures_over = newImage("sidebar/patientinfo-procedures_over.jpg");
		patientinfo_consequences_over = newImage("sidebar/patientinfo-consequences_ov.jpg");
		patientinfo_faq_over = newImage("sidebar/patientinfo-faq_over.jpg");
		patientinfo_links_over = newImage("sidebar/patientinfo-links_over.jpg");
		patientinfo_contactus_over = newImage("sidebar/patientinfo-contactus_over.jpg");
		periodontaldisease_welcome_over = newImage("sidebar/periodontaldisease-welcome_.jpg");
		periodontaldisease_meetdr_over = newImage("sidebar/periodontaldisease-meetdr_o.jpg");
		periodontaldisease_patientinfo_over = newImage("sidebar/periodontaldisease-patienti.jpg");
		periodontaldisease_over = newImage("sidebar/periodontaldisease-over.jpg");
		periodontaldisease_dentalimplants_over = newImage("sidebar/periodontaldisease-dentalim.jpg");
		periodontaldisease_procedures_over = newImage("sidebar/periodontaldisease-procedur.jpg");
		periodontaldisease_consequences_over = newImage("sidebar/periodontaldisease-conseque.jpg");
		periodontaldisease_faq_over = newImage("sidebar/periodontaldisease-faq_over.jpg");
		periodontaldisease_links_over = newImage("sidebar/periodontaldisease-links_ov.jpg");
		periodontaldisease_contactus_over = newImage("sidebar/periodontaldisease-contactu.jpg");
		consequences_welcome_over = newImage("sidebar/consequences-welcome_over.jpg");
		consequences_meetdr_over = newImage("sidebar/consequences-meetdr_over.jpg");
		consequences_patientinfo_over = newImage("sidebar/consequences-patientinfo_ov.jpg");
		consequences_periodontaldisease_over = newImage("sidebar/consequences-periodontaldis.jpg");
		consequences_dentalimplants_over = newImage("sidebar/consequences-dentalimplants.jpg");
		consequences_procedures_over = newImage("sidebar/consequences-procedures_ove.jpg");
		consequences_over = newImage("sidebar/consequences-over.jpg");
		consequences_faq_over = newImage("sidebar/consequences-faq_over.jpg");
		consequences_links_over = newImage("sidebar/consequences-links_over.jpg");
		consequences_contactus_over = newImage("sidebar/consequences-contactus_over.jpg");
		dentalimplants_welcome_over = newImage("sidebar/dentalimplants-welcome_over.jpg");
		dentalimplants_meetdr_over = newImage("sidebar/dentalimplants-meetdr_over.jpg");
		dentalimplants_patientinfo_over = newImage("sidebar/dentalimplants-patientinfo_.jpg");
		dentalimplants_periodontaldisease_over = newImage("sidebar/dentalimplants-periodontald.jpg");
		dentalimplants_over = newImage("sidebar/dentalimplants-over.jpg");
		dentalimplants_procedures_over = newImage("sidebar/dentalimplants-procedures_o.jpg");
		dentalimplants_consequences_over = newImage("sidebar/dentalimplants-consequences.jpg");
		dentalimplants_faq_over = newImage("sidebar/dentalimplants-faq_over.jpg");
		dentalimplants_links_over = newImage("sidebar/dentalimplants-links_over.jpg");
		dentalimplants_contactus_over = newImage("sidebar/dentalimplants-contactus_ov.jpg");
		procedures_welcome_over = newImage("sidebar/procedures-welcome_over.jpg");
		procedures_meetdr_over = newImage("sidebar/procedures-meetdr_over.jpg");
		procedures_patientinfo_over = newImage("sidebar/procedures-patientinfo_over.jpg");
		procedures_periodontaldisease_over = newImage("sidebar/procedures-periodontaldisea.jpg");
		procedures_dentalimplants_over = newImage("sidebar/procedures-dentalimplants_o.jpg");
		procedures_over = newImage("sidebar/procedures-over.jpg");
		procedures_consequences_over = newImage("sidebar/procedures-consequences_ove.jpg");
		procedures_faq_over = newImage("sidebar/procedures-faq_over.jpg");
		procedures_links_over = newImage("sidebar/procedures-links_over.jpg");
		procedures_contactus_over = newImage("sidebar/procedures-contactus_over.jpg");
		testimonials_over = newImage("sidebar/testimonials-over.jpg");
		faq_welcome_over = newImage("sidebar/faq-welcome_over.jpg");
		faq_meetdr_over = newImage("sidebar/faq-meetdr_over.jpg");
		faq_patientinfo_over = newImage("sidebar/faq-patientinfo_over.jpg");
		faq_periodontaldisease_over = newImage("sidebar/faq-periodontaldisease_over.jpg");
		faq_dentalimplants_over = newImage("sidebar/faq-dentalimplants_over.jpg");
		faq_procedures_over = newImage("sidebar/faq-procedures_over.jpg");
		faq_consequences_over = newImage("sidebar/faq-consequences_over.jpg");
		faq_over = newImage("sidebar/faq-over.jpg");
		faq_links_over = newImage("sidebar/faq-links_over.jpg");
		faq_contactus_over = newImage("sidebar/faq-contactus_over.jpg");
		links_welcome_over = newImage("sidebar/links-welcome_over.jpg");
		links_meetdr_over = newImage("sidebar/links-meetdr_over.jpg");
		links_patientinfo_over = newImage("sidebar/links-patientinfo_over.jpg");
		links_periodontaldisease_over = newImage("sidebar/links-periodontaldisease_ov.jpg");
		links_dentalimplants_over = newImage("sidebar/links-dentalimplants_over.jpg");
		links_procedures_over = newImage("sidebar/links-procedures_over.jpg");
		links_consequences_over = newImage("sidebar/links-consequences_over.jpg");
		links_faq_over = newImage("sidebar/links-faq_over.jpg");
		links_over = newImage("sidebar/links-over.jpg");
		links_contactus_over = newImage("sidebar/links-contactus_over.jpg");
		contactus_welcome_over = newImage("sidebar/contactus-welcome_over.jpg");
		contactus_meetdr_over = newImage("sidebar/contactus-meetdr_over.jpg");
		contactus_patientinfo_over = newImage("sidebar/contactus-patientinfo_over.jpg");
		contactus_periodontaldisease_over = newImage("sidebar/contactus-periodontaldiseas.jpg");
		contactus_dentalimplants_over = newImage("sidebar/contactus-dentalimplants_ov.jpg");
		contactus_procedures_over = newImage("sidebar/contactus-procedures_over.jpg");
		contactus_consequences_over = newImage("sidebar/contactus-consequences_over.jpg");
		contactus_faq_over = newImage("sidebar/contactus-faq_over.jpg");
		contactus_links_over = newImage("sidebar/contactus-links_over.jpg");
		contactus_over = newImage("sidebar/contactus-over.jpg");
		preloadFlag = true;
	}
}