var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		pre_nav_contact_on = newImage('/images/nav_contact_on.jpg');
		pre_nav_articles_on = newImage('/images/nav_articles_on.jpg');
		pre_nav_trials_on = newImage('/images/nav_trials_on.jpg');
		pre_nav_practice_on = newImage('/images/nav_practice_on.jpg');
		pre_nav_attorneys_on = newImage('/images/nav_attorneys_on.jpg');
		pre_nav_overview_on = newImage('/images/nav_overview_on.jpg');
		pre_nav_home_on = newImage('/images/nav_home_on.jpg');
		preloadFlag = true;
	}
}