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 MM_ShowHideCat(){
	var args = MM_ShowHideCat.arguments;
	if (args.length > 0)
		{
	
	if ((obj=MM_findObj(args[0]+'_menu'))!=null)
	
		{
			obj.style.display=(obj.style.display=='none')?'':'none';
			var objimg = MM_findObj(args[0]+'_arrow');
			if (objimg!=null)
				{
					if(objimg.src.indexOf("/images/pro/arrowright.gif")>0)
						objimg.src="/images/pro/arrowdown.gif";
					else
						objimg.src="/images/pro/arrowright.gif";				
				}
			}
		}
		
	
}

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