function popUp(roomName,roomTitle) {

	window.open("popup.html?roomName="+roomName+"&roomTitle="+roomTitle+"&picNumber=1","popup","width=450,height=510,status=no,toolbar=no,resizable=no,scrolling=no,scrollbars=no");

}

function doPic(roomName,picNum) {

	document.mainpic.src='images/'+roomName+picNum+'.jpg';

}