function show(myObject){
	document.getElementById(myObject).style.visibility = "visible";
}
function hide(myObject){
	document.getElementById(myObject).style.visibility = "hidden";
}
function display(myObject){
	document.getElementById(myObject).style.display = "block";
}
function none(myObject){
	document.getElementById(myObject).style.display = "none";
}