var openDiv = null;
function hideshow(id){
	if(openDiv != null){
		openDiv.className = 'invis';
	}
	openDiv = getElement("id", id);
	if(openDiv)
		openDiv.className = '';
	return true;
}
function hide(){
	if(openDiv != null){
		openDiv.className = 'invis';
		openDiv = null;
	}
}