var curObject;
var hideTimer = null;
function show(obj){
	killTimer();
	if (curObject){
		document.getElementById(curObject).style.display = 'none';
	}
	if (obj == 'blank'){
	}else{
		document.getElementById(obj).style.display = 'block';
		curObject = obj;
	}
	hideTimer = setTimeout('hide()',5000);
}
function startHide(obj){
		killTimer();
  		hideTimer = setTimeout('hide()',500);
}
function hide(){
	if (curObject){
		document.getElementById(curObject).style.display = 'none';
	}
}
function killTimer(){
  		clearTimeout(hideTimer);
}

function flipImg(){
}