var newWindow = null;
var properties
var location
var width
var height

function openWindow(location,width,height) {
	
	properties = properties + ",width=" + width;
	properties = properties + ",height=" + height;
	properties = properties + ",menubar=1,scrollbars=1"
	properties = properties + ",left=0,top=0";
	newWindow = window.open(location,'pfWin',properties);
}

function closeWindow() {
	if (newWindow && !newWindow.closed){
	newWindow.close()
	}
}