function preLoadImages() {
	var t = '<layer top="-100" left="0" visibility="hide"><div style="position:absolute; top:-100px; left:0px; visibility:hidden">';
	for(i=0; i < arguments.length; i++)	t += '<img src="images/' + arguments[i] + '" height="10" width="10">';
	t += '</div></layer>';
	document.write(t);
}