function showFlash(showEl, hideEl) {
	document.getElementById(showEl).style.display='';
	document.getElementById(hideEl).style.display='none';
}
function changeImage(el) {
	if (el.src.indexOf('X3') > -1) {
		el.src = el.src.replace(/X3/g,'2nd');
	} else {
		el.src = el.src.replace(/2nd/g,'X3');
	}
}