function showPopup(popupid){
	hidePopup();
	if(popupid == 'pop1') {
		document.getElementById("popup1").className="show";
	} else if(popupid == 'pop2') {
		document.getElementById("popup2").className="show";
	}
}

function hidePopup() {
	document.getElementById("popup1").className="hide";
	document.getElementById("popup2").className="hide";
}