function popup(pFilePath) {
	var width = 410;
	var height = 420;
	var browser = (navigator.appName == 'Netscape') ? 'NS' : 'IE';
		
	screenWidth = screen.availWidth;
	screenHeight = screen.availHeight;
		
	var leftPosition = (screenWidth - width)/2, topPosition = (screenHeight - height)/2;
	
	var popupWin = window.open(pFilePath, "popup", 'width=' + width + ',height=' + height +
',top=' + topPosition + ',left=' + leftPosition + ',resizable=yes,scrollbars=yes,status=0');
	
	if (browser == 'NS') { popupWin.focus(); }

}