function newWindow(a_str_windowURL, a_str_windowName, a_int_windowWidth, a_int_windowHeight) {
	var int_windowLeft = (screen.width - a_int_windowWidth) / 2;
	var int_windowTop = (screen.height - a_int_windowHeight) / 2;
	var str_windowProperties = 'height=' + a_int_windowHeight + ',width=' + a_int_windowWidth + ',top=' + int_windowTop + ',left=' + int_windowLeft + ',scrollbars=0,resizable=0,menubar=0,toolbar=0,location=0,statusbar=0,fullscreen=0';
	var obj_window = window.open(a_str_windowURL, a_str_windowName, str_windowProperties)
    	if (parseInt(navigator.appVersion) >= 4) {
			obj_window.window.focus();
		}
}