var myimages = new Array();

function preloading() {
	for (x=0; x<preloading.arguments.length; x++) {
		myimages[x] = new Image();
		myimages[x].src = preloading.arguments[x];
	}
}

preloading("images/nav/home_.jpg","images/nav/gallery_.jpg","images/nav/artist_.jpg","images/nav/blog_.jpg","images/nav/contact_.jpg");