var htmlPopup;

function openHtmlPopup (url, width, height) {
	if (width == 'undefined') width = 750;
	if (height == 'undefined') height = 500;
	var left = (screen.width  - width) / 2 ;
	var top  = (screen.height - height) / 2 ;
	settings = "toolbar=no,status=no,resizable=no";
	//if (scrollbars) {
		settings += ",scrollbars=yes";
	//} else {
	//	settings += ",scrollbars=no";
	//}
	settings += ",width=" + width;
	settings += ",height=" + height;
	settings += ",left=" + left;
	settings += ",top=" + top;
	htmlPopup = window.open(url, 'Fertilizer2010', settings);
	if (!htmlPopup) {
		showPopupAlert();
	}
}

function htmlPopupIsClosed () {
	if (htmlPopup) {
		return htmlPopup.closed;
	}
	return true;
}