<!--hide from old browsers

if (document.images) {
   button_off = new Image();
   button_off.src = "buttons/but_go.GIF";
   button_on = new Image();
   button_on.src = "buttons/but_go2.GIF";
}

//credit Charity Khan, CNET builder.com for this neat routine.
function changeImages() {
	if (document.images) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
		}
	}
}


// end hiding-->