function newwin(url, n_width, n_height) {
	var maxLeft = 100;
	var maxTop = 120;
	var curLeft = parseInt(Math.random()*maxLeft, 10);
	var curTop = parseInt(Math.random()*maxTop, 10);
	window.open(url,"","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width=475,height="+n_height+",top="+curTop+",left="+curLeft+"");
}