// Preload the buttons.
var buts = new Array(40);
for (var i=0; i<40; ++i)
{
	buts[i] = new Image();
}
buts[0].src = "u/home1.gif";
buts[1].src = "u/home2.gif";
buts[2].src = "u/hikingmaps1.gif";
buts[3].src = "u/hikingmaps2.gif";
buts[4].src = "u/barefoot1.gif";
buts[5].src = "u/barefoot2.gif";
buts[6].src = "u/bf_articles1.gif";
buts[7].src = "u/bf_articles2.gif";
buts[8].src = "u/bf_library1.gif";
buts[9].src = "u/bf_library2.gif";
buts[10].src = "u/bf_injuries1.gif";
buts[11].src = "u/bf_injuries2.gif";
buts[12].src = "u/legal1.gif";
buts[13].src = "u/legal2.gif";
buts[14].src = "u/blog1.gif";
buts[15].src = "u/blog2.gif";
buts[16].src = "u/blog_barefoot1.gif";
buts[17].src = "u/blog_barefoot2.gif";
buts[18].src = "u/blog_hiking1.gif";
buts[19].src = "u/blog_hiking2.gif";
buts[20].src = "u/blog_nature1.gif";
buts[21].src = "u/blog_nature2.gif";
buts[22].src = "u/blog_history1.gif";
buts[23].src = "u/blog_history2.gif";
buts[24].src = "u/blog_dual1.gif";
buts[25].src = "u/blog_dual2.gif";
buts[26].src = "u/blog_running1.gif";
buts[27].src = "u/blog_running2.gif";


function blog_over()
{
	document.blog.src='u/blog2.gif';
	document.getElementById('blog_barefoot').style.visibility='visible';
	document.getElementById('blog_hiking').style.visibility='visible';
	document.getElementById('blog_nature').style.visibility='visible';
	document.getElementById('blog_history').style.visibility='visible';
	document.getElementById('blog_dual').style.visibility='visible';
	document.getElementById('blog_running').style.visibility='visible';
	document.getElementById('blog_left').style.visibility='visible';
	document.getElementById('blog_right').style.visibility='visible';
	document.getElementById('blog_top').style.visibility='visible';
	document.getElementById('blog_bottom').style.visibility='visible';
}

function blog_out()
{
	document.blog.src='u/blog1.gif';
	document.getElementById('blog_barefoot').style.visibility='hidden';
	document.getElementById('blog_hiking').style.visibility='hidden';
	document.getElementById('blog_nature').style.visibility='hidden';
	document.getElementById('blog_history').style.visibility='hidden';
	document.getElementById('blog_dual').style.visibility='hidden';
	document.getElementById('blog_running').style.visibility='hidden';
	document.getElementById('blog_left').style.visibility='hidden';
	document.getElementById('blog_right').style.visibility='hidden';
	document.getElementById('blog_top').style.visibility='hidden';
	document.getElementById('blog_bottom').style.visibility='hidden';
}

function bf_over()
{
	document.barefoot.src='u/barefoot2.gif';
	document.getElementById('bf_articles').style.visibility='visible';
	document.getElementById('bf_library').style.visibility='visible';
	document.getElementById('bf_injuries').style.visibility='visible';
	document.getElementById('bf_left').style.visibility='visible';
	document.getElementById('bf_right').style.visibility='visible';
	document.getElementById('bf_top').style.visibility='visible';
	document.getElementById('bf_bottom').style.visibility='visible';
}

function bf_out()
{
	document.barefoot.src='u/barefoot1.gif';
	document.getElementById('bf_articles').style.visibility='hidden';
	document.getElementById('bf_library').style.visibility='hidden';
	document.getElementById('bf_injuries').style.visibility='hidden';
	document.getElementById('bf_left').style.visibility='hidden';
	document.getElementById('bf_right').style.visibility='hidden';
	document.getElementById('bf_top').style.visibility='hidden';
	document.getElementById('bf_bottom').style.visibility='hidden';
}