/* toggleLayer - used for login box in footer */
function toggleLayer( whichLayer )
{
  var elem, vis;
  if( document.getElementById ) // this is the way the standards work
    elem = document.getElementById( whichLayer );
  else if( document.all ) // this is the way old msie versions work
      elem = document.all[whichLayer];
  else if( document.layers ) // this is the way nn4 works
    elem = document.layers[whichLayer];
  vis = elem.style;
  // if the style.display value is blank we try to figure it out here
  if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
    vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
  vis.display = (vis.display==''||vis.display=='block')?'none':'block';
}

/* The following are used for the sidebar, and came from developer.mozilla.org */
function toggleSidebar() {
	var sidebar = document.getElementById('sidebar');
	var content = document.getElementById('content');
	var sidetoggleLink = document.getElementById('sidebartogglelink')

	if (sidebar && sidetoggleLink && sidebar.style.display == 'none') {
		changeText(sidetoggleLink, sidebarHideText);
			sidebar.style.display = 'block';
			content.style.marginRight = '230px';
		} else {
		changeText(sidetoggleLink, sidebarShowText);
			sidebar.style.display = 'none';
			content.style.marginRight = '0px;';
		}
}
function sidebarUp() {
	var content = document.getElementById('content');
	//var footer = document.getElementById('footer');
	var sidebarslideup = document.getElementById('sidebarslideup');
	var sidebarslidedown = document.getElementById('sidebarslidedown');
	//content.style.marginRight = '0px';
	//footer.style.marginRight = '0px';
	sidebarslideup.style.display = 'none';
	sidebarslidedown.style.display = 'block';
	document.cookie = 'hidesidebar=1';
}

function sidebarDown() {
	var content = document.getElementById('content');
	//var footer = document.getElementById('footer');
	var sidebarslideup = document.getElementById('sidebarslideup');
	var sidebarslidedown = document.getElementById('sidebarslidedown');
	//content.style.marginRight = '230px';
	//footer.style.marginRight = '230px';
	sidebarslideup.style.display = 'block';
	sidebarslidedown.style.display = 'none';
	document.cookie = 'hidesidebar=0';
}