var lastPopUpWindow = null;

function pop(sCase) {
// close the last pop-up.
	try {
		lastPopUpWindow.close();
	}catch(e){
	}

	switch(sCase) {

//REGISTRATION POP-UP
		case "registration":
			window.open('http://www.disneyonice-asia.com/register/registration.html');
			break;

		default:
			alert('Unimplemented pop call: '+sCase);
			break;
	}
}