function toggleTab(id)
{
	clearTabs();

	$('#tabimage').attr({src: '/asthmyths/images/time2talk/' + id + '_tab.jpg'});
	document.getElementById(id).style.display = 'block';
};

function clearTabs()
{
	$('#welcome').hide();
	$('#child').hide();
	$('#doctor').hide();
	$('#home').hide();
	$('#outside').hide();
};

$(function() {

  var positions = [
	{top:'center', left:'center'},
	{top:'center', left:'center'},
	{top:'center', left:'center'},
	{top:'center', left:'center'},
  ];
  
  $("#intro a[rel]").each(function(i) {
     $(this).overlay({
        expose: '#222222',
        oneInstance: true,
        closeOnClick: true,
        finish: positions[i]
      });
  });

});