// JavaScript Document

image1 = new Image();
image1.src = "images/spacer.gif";


function expand(name) {
document.getElementById( name ).style.display = "block";
}


function collapse(name) {
document.getElementById( name ).style.display = "none";
}


function set_layer(what, value){
   if (document.getElementById && document.getElementById(what) && document.getElementById(what).style) {
   		document.getElementById(what).style.visibility= value;
   };
   
}