function f_openWindow(v_page, v_name, v_width, v_height){
	
  v_posX = 10;//(screen.width - v_width) / 2;
  v_posY = (screen.height - v_height) / 2;
	
  v_detail = 'height=' + v_height + ',width=' + v_width + ',top=' + v_posY + ',left=' + v_posX + ',scrollbars=1' + ',resizable=0';
  
	newWindow = window.open(v_page, v_name, v_detail);
	newWindow.focus();

}