function showDiv(layer_ref) { 
document.getElementById(layer_ref).style.display = "block"; 
} 
function hideDiv(layer_ref) { 
document.getElementById(layer_ref).style.display = "none"; 
} 
function changeImage(layer_ref, newImage) { 
document.getElementById(layer_ref).src = newImage; 
} 

function changeSlider(id) {
	$.ajax({
	type: "POST",
	url: "/ajax.php",
	data: "action=changeSlider&id="+ id, 
	cache: false,
	success: function(html){
	$("#header").html(html); // change div content
	}
	});
}
function lightboxContent(id) {
	$.ajax({
	type: "POST",
	url: "/ajax.php",
	data: "action=lightboxContent&id="+ id, 
	cache: false,
	success: function(html){
	$("#lightboxcontentframe").html(html); // change div content
	}
	});
}