DHTML = (document.getElementById || document.all || document.layers)


function getObj(name)
{
  if (document.getElementById)
  {
  	this.obj = document.getElementById(name);
	this.style = document.getElementById(name).style;
  }
  else if (document.all)
  {
	this.obj = document.all[name];
	this.style = document.all[name].style;
  }
  else if (document.layers)
  {
	this.obj = getObjNN4(document,name);
	this.style = this.obj;
  }
}

var imgopen = new Image();
imgopen.src = "/images/cattree_minus.gif";

var imgclose = new Image();
imgclose.src = "/images/cattree_plus.gif";

var mnuopen = new Image();
mnuopen.src = "/images/mnu/mnu-bullet-off.gif";

var mnuclose = new Image();
mnuclose.src = "/images/mnu/mnu-bullet.gif";;


function sw_layer(name)
{	// if (!DHTML) return true;
	var current_state;
  var obj =  new getObj('subcat'+name);
	var img = new getObj('icon'+name);
	
	if ( obj.style.display == 'block') 
	{   obj.style.display='none' 
			// img.src = imgclose.src;
			document.images["icon"+name].src = imgclose.src;

	}
	else {
	 obj.style.display='block';
	 // img.src = imgopen.src;
	 document.images["icon"+name].src = imgopen.src;
	} 
	return false;	 
}
function sw_menu(name)
{	// if (!DHTML) return true;
	var current_state;
  var obj =  new getObj('mnu'+name);
	var img = new getObj('mnuicon'+name);
	
	if ( obj.style.display == 'block') 
	{   obj.style.display='none' 
			// img.src = imgclose.src;
			document.images["mnuicon"+name].src = mnuclose.src;

	}
	else {
	 obj.style.display='block';
	 // img.src = imgopen.src;
	 document.images["mnuicon"+name].src = mnuopen.src;
	} 
	return false;	 
}