function popUp(url,w,h,s){
	if (s == 'yes') {
		var sb = 'yes';
	} else {
		var sb = 'no';
	}
	window.open(url, '', 'width='+w+', height='+h+', menubar=no, toolbar=no, scrollbars='+sb);
}

function popClose(url){
	window.opener.location.href = url;
	window.close();
}