// 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) {
		home_o = newImage("images/home_o.gif");
		info2_o = newImage("images/infoad_o.gif");
		info_o = newImage("images/info_o.gif");
		about_o = newImage("images/about_o.gif");
		contact_o = newImage("images/contact_o.gif");
		preloadFlag = true;
	}
}