function openwindow(url, target, width, height) {

	op_window = window.open( url, target, "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,copyhistory=0,width=" + width + ",height=" + height );
	op_window.focus();
//	return(op_window);
//	alert(url);
}