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) {
		about_btn_f3 = newImage("files/about_btn_f3.gif");
		contact_btn_f2 = newImage("files/contact_btn_f2.gif");
		lifestock_btn_f2 = newImage("files/lifestock_btn_f2.gif");
		retail_btn_f2 = newImage("files/retail_btn_btn_f2.gif");
		wholesale_btn_f2 = newImage("files/wholesale_btn_f2.gif");
		printedmedia_btn_f2 = newImage("files/printedmedia_btn_f2.gif");
		links_btn_f2 = newImage("files/links_btn_f2.gif");
		finresults_btn_f2 = newImage("files/finresults_btn_f2.gif");
		history_btn_f2 = newImage("files/history_btn_f2.gif");
		history_btn_f3 = newImage("files/history_btn_f3.gif");
		vsn_btn_f2 = newImage("files/vsn_btn_f2.gif");
		vsn_btn_f3 = newImage("files/vsn_btn_f3.gif");
		opr_btn_f2 = newImage("files/opr_btn_f2.gif");
		opr_btn_f3 = newImage("files/opr_btn_f3.gif");
		org_btn_f2 = newImage("files/gnl_btn_f2.gif");
		org_btn_f3 = newImage("files/gnl_btn_f3.gif");
		preloadFlag = true;
	}
}