function nav(el, is_over_bool)
{
	var src_dir = "/layout/images/button_";
	var src_ext = ".gif";
	var src_act = "active_";
	var src_ovr = "over_";
	
	var button_no = $(el).data('id');
	
	var src_fin = src_dir;
	
	var title = $('title').text();
	if ( (/Home/i.test(title) && button_no == 1) || (/Gallery/i.test(title) && button_no == 2) || (/Location/i.test(title) && button_no == 3) || (/Safety/i.test(title) && button_no == 4) || (/Pricing/i.test(title) && button_no == 5) || (/Activities/i.test(title) && button_no == 6) ) {
		src_fin += src_act;
	}
	if ( is_over_bool ) { src_fin += src_ovr; }
	
	src_fin += "0" + button_no + src_ext;
	
	$(el).attr('src', src_fin );	
}

$(function() {
	var i = 1;
	$('#table-nav img').each(function() {
		$(this).data('id', i);
		$(this).hover(function() {
			nav(this, true);
		}, function() {
			nav(this, false);
		});
		i++;
	});
	
	var preloads = [];
	for ( i=1; i<7; i++ ) {
		preloads.push('/layout/images/button_0'+i+'.gif');
		preloads.push('/layout/images/button_over_0'+i+'.gif');
		preloads.push('/layout/images/button_active_0'+i+'.gif');
		preloads.push('/layout/images/button_active_over_0'+i+'.gif');
	}
	$('body').append('<span id="preloads"></span>');
	$('#preloads').hide();
	for ( i in preloads ) {
		$('#preloads').append('<img src="'+preloads[i]+'" />');
	}
	$('#preloads *').hide();
});