// JavaScript Document

function toggle_visibility(id) {
   var e = document.getElementById(id);
   if(e.style.display == 'block')
	  e.style.display = 'none';
   else
	  e.style.display = 'block';
}


function toggle_hide(id) {
   var e = document.getElementById(id);
	e.style.display = 'none';
}

function toggle_show(id) {
   var e = document.getElementById(id);
	e.style.display = 'block';
}