var ns = (navigator.appName == "Netscape");
var ns4 = (ns && (parseInt(navigator.appVersion)==4));
var ns6 = (ns && (parseInt(navigator.appVersion)==5));
var layerRef = "document.all";
var styleRef = ".style";	
var Dynamic = ((document.layers || document.all || document.getElementById));
var clickedArray=new Array(8);
var layersArray=new Array(0);
var layersFound=0
if (!ns4) {
			var imgs = new Array(2);
			imgs[0] = new Image(); imgs[0].src = "image/icons/close.gif"
			imgs[1] = new Image(); imgs[1].src = "image/icons/open.gif"
			imgs[2] = new Image(); imgs[2].src = "image/icons/lock.gif"
			}
if (ns)
{
	if (ns6)
		{
		var layerRef = (ns6) ? "document.getElementById" : "document.all";
		}
	else
		{
		var layerRef = (ns) ? "document" : "document.all";
		var styleRef = (ns) ? "" : ".style";
		}
}

function openmenu(ID) 
{
	if (Dynamic)
	{
		if (clickedArray[ID]==null){disp='block';clickedArray[ID]=1;}
		else
		{
			if (clickedArray[ID]==0){disp='block';clickedArray[ID]=1;}
			else {disp='none';clickedArray[ID]=0;}
		}
		if (ns) 
		{
			if (ns6)
			{
				eval(layerRef + '("group' + ID + '")' + styleRef + '.display = disp');
			}
			else 
			{
				eval(layerRef + '["group' + ID + '"]' + styleRef + '.display = disp');
			}
		} 
		else 
		{
			thelayer=(eval(layerRef + '["group' + ID + '"]')==null)
			if (thelayer==false) 
			{
				eval(layerRef + '["group' + ID + '"]' + styleRef + '.display = disp');
			}
		}
	}
}