function show(show, top){
	var showDOM = findDOM(show, 1);
	showDOM.visibility = 'visible';
	showDOM.top = top;
}
function show2(show){
	var showDOM = findDOM(show, 1);
	showDOM.visibility = 'visible';
}
		
function hide(hide){
	var hideDOM = findDOM(hide, 1);
	hideDOM.visibility = 'hidden';
	
}

function swap_visibility(show, hide){
	var showDom = findDOM(show, 1);
	showDom.visibility = 'visible';
	var hideDom = findDOM(hide, 1);
	hideDom.visibility = 'hidden';
}