function popup(url, name, winwidth, winheight) {
	newWindow = window.open(url, name, "toolbar=0,location=0,status=0,menubar=0,scrollbars=1,resizable=1,directories=0,top=32,left=32,width="+winwidth+",height="+winheight);
	newWindow.focus();
	return(newWindow);
}