// JavaScript Document
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) {
		menu_profile__over = newImage("images/menu_profile-over.gif");
		menu_concerts_over = newImage("images/menu_concerts-over.gif");
		menu_blog_over = newImage("images/menu_blog-over.gif");
		menu_lesson_over = newImage("images/menu_lesson-over.gif");
		menu_contact_over = newImage("images/menu_contact-over.gif");
		menu_link_over = newImage("images/menu_link-over.gif");
		con_profile_over = newImage("images/con_profile-over.gif");
		con_concerts_over = newImage("images/con_concerts-over.gif");
		con_blog_over = newImage("images/con_blog-over.gif");
		con_lesson_over = newImage("images/con_lesson-over.gif");
		con_contact_over = newImage("images/con_contact-over.gif");
		con_link_over = newImage("images/con_link-over.gif");
		preloadFlag = true;
	}
}