var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		pre_nav_contact_on = newImage('/images/nav_contact_on.jpg');
		pre_nav_quote_on = newImage('/images/nav_quote_on.jpg');
		pre_nav_HR_on = newImage('/images/nav_HR_on.jpg');
		pre_nav_insurance_on = newImage('/images/nav_insurance_on.jpg');
		pre_nav_benefits_on = newImage('/images/nav_benefits_on.jpg');
		pre_nav_about_on = newImage('/images/nav_about_on.jpg');
		preloadFlag = true;
	}
}