// JavaScript Document

function layerSetup(id,visibility){
	if(document.getElementById){
		this.obj = document.getElementById(id).style;
		this.obj.visibility = visibility;
		return this.obj;}
	else if(document.all){
		this.obj = document.all[id].style;
		this.obj.visibility = visibility;
		return this.obj;}
	else if(document.layers){
		this.obj = document.layers[id];
		this.obj.visibility = visibility;
		return this.obj;}
}
function visVisible(param){
	new layerSetup(param,'visible');
}

function visHidden(param){
	new layerSetup(param,'hidden');
}