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];
			document[changeImages.arguments[i]].blur();
		}
	}
}
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		index_09_over = newImage(path_base+"/images/index_09-over.gif");
		index_09_click = newImage(path_base+"/images/index_09-click.gif");
		index_10_over = newImage(path_base+"/images/index_10-over.gif");
		index_10_click = newImage(path_base+"/images/index_10-click.gif");
		index_11_over = newImage(path_base+"/images/index_11-over.gif");
		index_11_click = newImage(path_base+"/images/index_11-click.gif");
		index_12_over = newImage(path_base+"/images/index_12-over.gif");
		index_12_click = newImage(path_base+"/images/index_12-click.gif");
		index_14_over = newImage(path_base+"/images/index_14-over.gif");
		index_14_click = newImage(path_base+"/images/index_14-click.gif");
		preloadFlag = true;
	}
}