function popUpCenter2(URL,name,w,h) {
	l = (screen.width - w) / 2 ;
	t = (screen.height - h) / 2;
	params = 'toolbars=0, location=0, statusbars=0, menubars=1, resizable=1,';
	window.open(URL, name, params + 'width=' + w + ', height=' + h + ', left=' + l + ', top=' + t);
	}