/*
Author: AdvertBanner
Author URI: http://www.advertbanner.com/
*/ 

function showHideLayers() { //v9.0
  var i,p,v,obj,args=showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function showSubNav() {
  var i,p,v,obj,args=showSubNav.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function showSubMenu(id, sub_nav, screen, main_nav)
{
	var o=document.getElementById(id);
	if (o) o.style.visibility="visible";
	
	if (sub_nav)
	{
		o=document.getElementById(sub_nav);
		if (o) o.className="active";
	}
	if (screen)
	{
		o=document.getElementById(screen);
		if (o) o.className="active";
	}
	if (main_nav)
	{
		o=document.getElementById(main_nav);
		if (o)  o.className="active";
	}
}

function UpdateSubMenu()
{
	if (typeof(page)=="undefined" || !page) return;
	if (page=="home") /*geen submenu*/;
    
	else if (page=="werkwijze") showSubMenu("subNav1", "werkwijze", "sub_menu1", "top_menu1");
	else if (page=="grafisch_ontwerp") showSubMenu("subNav1", "sub_menu1", "grafisch_ontwerp", "top_menu1");
	else if (page=="redesign") showSubMenu("subNav1", "redesign", "sub_menu1", "top_menu1");
	else if (page=="cms") showSubMenu("subNav1", "cms", "sub_menu1", "top_menu1");
	else if (page=="banners") showSubMenu("subNav1", "banners", "sub_menu1", "top_menu1");
	else if (page=="portfolio") showSubMenu("subNav1", "portfolio", "sub_menu1", "top_menu1");
	else if (page=="prijslijst") showSubMenu("subNav1", "prijslijst", "sub_menu1", "top_menu1");
	else if (page=="online_marketing") showSubMenu("subNav1", "online_marketing", "sub_menu1", "top_menu1");
    
	else if (page=="seo_webdesign") showSubMenu("subNav2", "seo_webdesign", "sub_menu2", "top_menu2");
	else if (page=="linkbuilding") showSubMenu("subNav2", "linkbuilding", "sub_menu2", "top_menu2");
	else if (page=="optimalisatie") showSubMenu("subNav2", "optimalisatie", "sub_menu2", "top_menu2");
	else if (page=="marketing") showSubMenu("subNav2", "marketing", "sub_menu2", "top_menu2");
	else if (page=="google_adwords") showSubMenu("subNav2", "google_adwords", "sub_menu2", "top_menu2");
	else if (page=="yahoo_search_marketing") showSubMenu("subNav2", "yahoo_search_marketing", "sub_menu2", "top_menu2");
	else if (page=="tools") showSubMenu("subNav2", "tools", "sub_menu2", "top_menu2");
    
	else if (page=="contact") showSubMenu("subNav3", "contact", "sub_menu3", "top_menu3");
	else if (page=="offerte") showSubMenu("subNav3", "offerte", "sub_menu3", "top_menu3");
	else if (page=="disclaimer") showSubMenu("subNav3", "disclaimer", "sub_menu3", "top_menu3");
	else if (page=="sitemap") showSubMenu("subNav3", "sitemap", "sub_menu3", "top_menu3");
}