var sideNav_home = document.getElementById("sideNav_home");
var sideNav_home_a = document.getElementById("sideNav_home_a"); 

var sideNav_products = document.getElementById("sideNav_products");
var sideNav_products_a = document.getElementById("sideNav_products_a");

var sideNav_productsFull = document.getElementById("sideNav_productsFull");
var sideNav_productsFull_a = document.getElementById("sideNav_productsFull_a");

var sideNav_productsStacked = document.getElementById("sideNav_productsStacked");
var sideNav_productsStacked_a = document.getElementById("sideNav_productsStacked_a");

var sideNav_productsFridge = document.getElementById("sideNav_productsFridge");
var sideNav_productsFridge_a = document.getElementById("sideNav_productsFridge_a");

var sideNav_commercial = document.getElementById("sideNav_commercial");
var sideNav_commercial_a = document.getElementById("sideNav_commercial_a");

var sideNav_residential = document.getElementById("sideNav_residential");
var sideNav_residential_a = document.getElementById("sideNav_residential_a");

var sideNav_commercialsales = document.getElementById("sideNav_commercialsales");
var sideNav_commercialsales_a = document.getElementById("sideNav_commercialsales_a");

var sideNav_aboutUs = document.getElementById("sideNav_aboutUs");
var sideNav_aboutUs_a = document.getElementById("sideNav_aboutUs_a");


//-- Set Side Menu default state -----//
sideNav_home.style.backgroundImage = "url(images/sideNav_top.gif)";
sideNav_products.style.backgroundImage = "url(images/sideNav_default.gif)";

sideNav_productsFull.style.backgroundImage = "url(images/sideNav_child.gif)";
sideNav_productsStacked.style.backgroundImage = "url(images/sideNav_child.gif)";
sideNav_productsFridge.style.backgroundImage = "url(images/sideNav_child.gif)";

sideNav_commercial.style.backgroundImage = "url(images/sideNav_default.gif)";
sideNav_residential.style.backgroundImage = "url(images/sideNav_default.gif)";
sideNav_commercialsales.style.backgroundImage = "url(images/sideNav_default.gif)";
sideNav_aboutUs.style.backgroundImage = "url(images/sideNav_default.gif)";

//---- Hide Sub Menu ----//
var subMenu_products = document.getElementById("sideNavTab_sub");
subMenu_products.style.display = "none";



switch(currPage){
case "":
  sideNav_on(sideNav_home, sideNav_home_a);
  break; 
case "default":
  sideNav_on(sideNav_home, sideNav_home_a);
  break; 
case "products":
  sideNav_on(sideNav_products, sideNav_products_a);
  subMenu_products.style.display = "block";
  break;    
case "commercial":
  sideNav_on(sideNav_commercial, sideNav_commercial_a);
  break;
case "residential":
  sideNav_on(sideNav_residential, sideNav_residential_a);
  break;
case "application":
  sideNav_on_deliver(sideNav_delivery, sideNav_delivery_a);
  break; 
case "commercialsales":
  sideNav_on(sideNav_commercialsales, sideNav_commercialsales_a);
  break;
case "about":
  sideNav_on(sideNav_aboutUs, sideNav_aboutUs_a);
  break;
default:
  currPage = fileSplit[0];
}


switch(currSubPage){
	case "fullSize":
	  sideNavSub_on(sideNav_productsFull, sideNav_productsFull_a);
	  break; 
	case "stacked":
	  sideNavSub_on(sideNav_productsStacked, sideNav_productsStacked_a);
	  break; 
	case "refrigerators":
	  sideNavSub_on(sideNav_productsFridge, sideNav_productsFridge_a);
	  break;    
}


function sideNav_on(thisElement, thisElement_a){
	thisElement.style.backgroundImage = "url(images/sideNav_defaultOn.gif)";
	thisElement_a.style.fontWeight = "bold";
	thisElement_a.style.color = "white";

}

function sideNavSub_on(thisElement, thisElement_a){
	thisElement.style.backgroundImage = "url(images/sideNav_childOn.gif)";
	thisElement_a.style.fontWeight = "bold";
}