function view_fun(f, w, h){
	var url;
	var width;
	var height;
	var setting;

	url = "./gallery-view.htm?n=" + f;
	width = parseInt(w) + 30;
	height = parseInt(h) + 30;
	setting = "width=" + width + ", height=" + height;

	window.open(url, "gallery_win", setting);
}