// JavaScript Document

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function showLayer(targetId) {
	for (x = 1; x<=5; x++)
	{
		obj=MM_findObj("menu"+x);
		if (targetId == x.toString())
		{
			obj.style.visibility = "visible";
		}
		else
		{
			obj.style.visibility = "hidden";
		}
	}
}