var selectedNav = 1;

function hoverNav(whichNav) {
	var myObj = document.getElementById('navItem'+ whichNav);
	var currClass = myObj.className;
	
	if (currClass == "navItemNormal") {
		myObj.className = "navItemHover";
		hideSubMenu();
	}
	
	if (currClass == "navItemHover") {
		myObj.className = "navItemNormal";
	}
	
	if (currClass == "subNavItemHover") {
		myObj.className = "subNavItemNormal";
	}
	
	if (currClass == "subNavItemNormal") {
		myObj.className = "subNavItemHover";
	}
}


function showHideEnergy(whatStatus) {
	//subNavEnergy = document.getElementById('subNavContainer2');
	if (whatStatus == 1) {
		//subNavEnergy.style.position = "relative";
		//subNavEnergy.style.visibility = "visible";
	} else {
		//subNavEnergy.style.position = "absolute";
		//subNavEnergy.style.visibility = "hidden";
	}
}

function selectNav(whichNav) {
	var myObj = document.getElementById('navItem'+ whichNav);
	
	if (!selectedNav == "") {
		unSelectNav();
	}
	myObj.className = "navItemSelected";
	
	selectedNav = whichNav;
		
		if (selectedNav == 1) {
			showHideEnergy(0);
		} else {
			showHideEnergy(1);
		}
	
	myCover = document.getElementById('ediNavCover');
	whichNavs = 0 // this is a temporary thing to hide the cover line
	switch(whichNavs) {
		case 1:
			myCover.style.top = 105;
			break;
		case 2:
			myCover.style.top = 129;
			break;
		case 3:
			myCover.style.top = 177;
			break;
		case 4:
			myCover.style.top = 201;
			break;
		case 5:
			myCover.style.top = 225;
			break;
		case 6:
			myCover.style.top = 153;
			break;
		case 7:
			myCover.style.top = 249;
			break;
		case 8:
			myCover.style.top = 249;
			break;
		case 9:
			myCover.style.top = 273;
			break;
		case 10:
			myCover.style.top = 297;
			break;
		case 11:
			myCover.style.top = 321;
			break;
		case 12:
			myCover.style.top = 345;
			break;
		case 13:
			myCover.style.top = 369;
			break;
		case 14:
			myCover.style.top = 393;
			break;
	}
			
}

function unSelectNav() {
	myCover = document.getElementById('ediNavCover');
	if (!selectedNav == "") {
		document.getElementById('navItem'+ selectedNav).className = "navItemNormal";
	}
	myCover.style.top = -50;
}

subNIcon1_0 = new Image();
subNIcon1_0.src = "Images/icon_InfoFor_Consumers_0.jpg";

subNIcon1_1 = new Image();
subNIcon1_1.src = "Images/icon_InfoFor_Consumers_1.jpg";

subNIcon2_0 = new Image();
subNIcon2_0.src = "Images/icon_InfoFor_Media_0.jpg";

subNIcon2_1 = new Image();
subNIcon2_1.src = "Images/icon_InfoFor_Media_1.jpg";

subNIcon3_0 = new Image();
subNIcon3_0.src = "Images/icon_InfoFor_Business_0.jpg";

subNIcon3_1 = new Image();
subNIcon3_1.src = "Images/icon_InfoFor_Business_1.jpg";

subNIcon4_0 = new Image();
subNIcon4_0.src = "Images/icon_EnergyInfo_Efficient_0.jpg";

subNIcon4_1 = new Image();
subNIcon4_1.src = "Images/icon_EnergyInfo_Efficient_1.jpg";

subNIcon5_0 = new Image();
subNIcon5_0.src = "Images/icon_EnergyInfo_ClnEnergy_0.jpg";

subNIcon5_1 = new Image();
subNIcon5_1.src = "Images/icon_EnergyInfo_ClnEnergy_1.jpg";

subNIcon6_0 = new Image();
subNIcon6_0.src = "Images/icon_EnergyInfo_Events_0.jpg";

subNIcon6_1 = new Image();
subNIcon6_1.src = "Images/icon_EnergyInfo_Events_1.jpg";


function swapSubNavIcon(whichIcon, whichImg) {
	var icon2swap = document.getElementById('subNavIcon'+ whichIcon);
	newImg = "subNIcon"+ whichIcon +"_"+ whichImg;
	icon2swap.src = eval(newImg +".src");
}







function hideSubMenu() {
	MM_showHideLayers('subNav_Profile','','hide');
	MM_showHideLayers('subNav_Reds','','hide');
	MM_showHideLayers('subNav_Publications','','hide');
	MM_showHideLayers('subNav_Legislation','','hide');
	MM_showHideLayers('subNav_Policy','','hide');
	MM_showHideLayers('subNav_Newsroom','','hide');
	MM_showHideLayers('subNav_Events','','hide');
	MM_showHideLayers('subNav_Procurement','','hide');
	MM_showHideLayers('subNav_FAQ','','hide');
}
function showSubMenu(whichMenu) {
	hideSubMenu();
	 MM_showHideLayers(whichMenu,'','show');
}


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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}