function popup(f){
	var w=400;
	var h=300;
	if(!isNaN(arguments[1])){
		w=arguments[1];
	}
	if(!isNaN(arguments[2])){
		h=arguments[2];
	}
	var url=f.action+"?addr="+f.addr.value;
	window.open(url,"mmresult","width="+w+",height="+h);
	return false;
}