//copywright expressionengine.com
jQuery.preloadImages = function()
{
  for(var i = 0; i<arguments.length; i++)
  {
    jQuery("<img>").attr("src", arguments[i]);
  }
}

$.preloadImages( 
"images/home_tab_active_glamsmile.jpg", 
"images/home_tab_normal_glamsmile.jpg", 
"images/home_tab_hover_glamsmile.jpg", 
"images/home_tab_active_veneers.jpg",
"images/home_tab_normal_veneers.jpg",
"images/home_tab_hover_veneers.jpg",
"images/home_tab_active_whitening.jpg",
"images/home_tab_normal_whitening.jpg",
"images/home_tab_hover_whitening.jpg",
"images/home_tab_active_advies.jpg",
"images/home_tab_normal_advies.jpg",
"images/home_tab_hover_advies.jpg",
"images/home_glamsmile.jpg",
"images/home_veneers.jpg",
"images/home_whitening.jpg",
"images/home_advies.jpg"
);

var lastTabId = "glamsmile";
function tab_switch(id)
{
	document.getElementById('section-' + lastTabId).style.display = 'none';
	document.getElementById('section-' + id).style.display = 'block';
	document.getElementById('tab-' + lastTabId).className = 'tab-'+lastTabId+"-normal";
	document.getElementById('tab-' + id).className = 'tab-'+id+"-active";
	lastTabId = id;
}