// Prepare gallery links
function init_gallery(id)
{
	// Local scope
	var i;
	var str;
	var box = document.getElementById(id);
	var anchors = box.getElementsByTagName("a");

	// Attach onclick events to anchors witch certain ("attach_zoom") rel attribute
	for(var i = 0; i < anchors.length; i++)
	{
		anch_rel = anchors[i].getAttribute("rel");
		if(anch_rel && anch_rel.toLowerCase() == "attach_zoom" && anchors[i].getAttribute("href"))
		{
			anchors[i].onclick = function()
			{
				popup_window('scripts/preview_image.php?photo=' + this.getAttribute("href"));
				return false;
			};
		}
	}	
}

function popup_window(url)
{
 	window.open(url, 'Popup','toolbar=no, location=no, directories=no, status=no, menubar=no, resizable=yes, copyhistory=no');
}