function gallery(data){
	var aw = 720;
	var ah = 420;
	var h = Math.floor((screen.availHeight-ah)/2);
	var w = Math.floor((screen.availWidth-aw)/2);
	var str = "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=760,height=420,left=" + w +",top=" + h;
	
	window.open(data, "subwin",str);
}