// 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');
}