function openwin(url,w,h) {
	var wint = (screen.height - h) / 2 - 40;
	var winl = (screen.width - w) / 2 - 10;

	wind = window.open( url, 'OptJeans', 'top=0,left=0,width=' + w + ',height=' + h + ',top='+ wint +',left='+ winl +',toolbar=no,menubar=no,location=no,status=no,scrollbars=no,resizable=no' );
	wind.focus();
}