function doToLightbox(query){
	/*document.getElementById('preview').style.display = "none";
	var query = "index=" + i;*/
	var xmlreq = xmlhttp();
	xmlreq.onreadystatechange=function()
	{
	if(xmlreq.readyState==4)
	  {
		alert(xmlreq.responseText);
	  }
	}
	xmlreq.open("GET","includes/savelightbox_ajax.php?" + query, true);
	xmlreq.send(null);
}