function switchDisplay(id,imgsrc,mainimage)
{
	ctrl = document.getElementById(id);
		
	if (ctrl.style.display == "")
	{
		if(mainimage.name != '')
		{
			mainimage.src = "images/plus.gif";
			ctrl.style.display = "none";
		}
	}
	else
	{
		if(mainimage.name != '')
		{
			ctrl.style.display = "";
			mainimage.src="images/minus.gif";
		}
	}	
	//Close all other menu items
	var catids = document.getElementById('catids');
	alert (catids);
	catids = catids.value.split(",");
	var len = catids.length;
	for(var i=0;i<len;i++)
		if(catids[i]!=id)
		{
			menuItem = document.getElementById(catids[i]);
			menuItem.style.display="none";
			menuImageItem = document.getElementById("img"+catids[i]);
			menuImageItem.src = "images/plus.gif";
		}
}

function Scroller_onmouseover(id)
{
	id.scrollAmount =0;
}

function Scroller_onmouseout(id)
{
	id.scrollAmount =1;
}


function go(form) 
{
	var URL = form.selectmenu.value;
	if ( URL != "")
	{
		window.open(URL, '_blank');
		return false;
	}
	else
		return false;
}

function hienmenu(id)
{
	ctrl = document.getElementById(id);
	if (ctrl.style.display == "")
		ctrl.style.display = "none";
	else
		ctrl.style.display = "";
}

function show_layer(lname, flag)
{
  var layer = (navigator.appName == 'Netscape') ? document.layers[lname] : document.all[lname];
  if (lname == '')
    return;
  if (navigator.appName == 'Netscape')
    layer.visibility = (flag == 0) ? 'show' : 'hidden';
  else
    layer.style.visibility = (flag == 0) ? 'visible' : 'hidden';
}