// Preload for menu images
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		pre_menu01_over = newImage('../../unicon/en/img/menu01_over.gif');
		pre_menu02_over = newImage('../../unicon/en/img/menu02_over.gif');
		pre_menu03_over = newImage('../../unicon/en/img/menu03_over.gif');
		pre_menu04_over = newImage('../../unicon/en/img/menu04_over.gif');
		pre_menu05_over = newImage('../../unicon/en/img/menu05_over.gif');
		pre_menu07_over = newImage('../../unicon/en/img/menu07_over.gif');
		pre_menu08_over = newImage('../../unicon/en/img/menu08_over.gif');
		preloadFlag = true;
	}
}