function imgMouseOverEvents(outString, overString, selector) {
	$$(selector).each(function(image) {
		image = $(image);
		if ($type(image.src)) {
			if (image.src.indexOf(outString) > 0) {
				image.addEvent('mouseover',function(){
					image.src = image.src.replace(outString, overString);
				}).addEvent('mouseout', function(){
					image.src = image.src.replace(overString, outString);
				});
			}
		}
	});
};
window.onDomReady(function(){imgMouseOverEvents('_off', '_on', 'img.amo, input.amo');});

function tabMouseOvers(cssOn, cssOff, selector, subselector, applyToBoth){
	$$(selector).each(function(el){
		el.applyToBoth = $pick(applyToBoth, false);
		if(applyToBoth && subselector) {
			el.getElementsBySelector(subselector).each(function(el){
				el.addClass(cssOff).removeClass(cssOn);
			});
		}
		el.addClass(cssOff).removeClass(cssOn);
		el.addEvent('mouseover', function(){
			this.addClass(cssOn).removeClass(cssOff);
			if(applyToBoth && subselector) {
				this.getElementsBySelector(subselector).each(function(subel){
					subel.addClass(cssOn).removeClass(cssOff);
				});
			}
		});
		el.addEvent('mouseout', function(){
			this.addClass(cssOff).removeClass(cssOn);
			if(applyToBoth && subselector) {
				$A(this.getElementsBySelector(subselector)).each(function(subel){
					subel.addClass(cssOff).removeClass(cssOn);
				});
			}
		});
	});
};