$(function()
{
	var hoverExtHover, hoverExtNormal;
	hoverExtHover  = '_h';
	hoverExtNormal = '';
	
	$('.hoverButton').each(function()
	{
		$(this).data('src', $(this).attr('src'));
	});
	
	$('.hoverButton').css({cursor: 'pointer'}).hover(function()
	{
		var src = $(this).data('src');
		var srcStop = src.lastIndexOf('.');
		var srcExt  = src.substr(srcStop + 1);
		var srcNew  = src.replace(new RegExp(hoverExtNormal + '.' + srcExt + '$'), hoverExtHover + '.' + srcExt);
		$(this).attr('src', srcNew).addClass('active');
	}, function()
	{
		var srcNew  = $(this).data('src');
		$(this).attr('src', srcNew).removeClass('active');
	});
});