var activenav = "dummy";
var layerRef = ""
var styleSwitch = ""
 
// Define arrays
offstate = new Array();
onstate = new Array();


// Define on and off states for main navigation
offstate['weddings'] = new Image ();
offstate['weddings'].src = imagedir + 'weddings_off.gif';
offstate['philosophy'] = new Image ();
offstate['philosophy'].src = imagedir + 'philosophy_off.gif';
offstate['portraits'] = new Image ();
offstate['portraits'].src = imagedir + 'portraits_off.gif';
offstate['dummy'] = new Image ();
offstate['dummy'].src = imagedir + 'spacer.gif';


onstate['weddings'] = new Image ();
onstate['weddings'].src = imagedir + 'weddings_on.gif';
onstate['philosophy'] = new Image ();
onstate['philosophy'].src = imagedir + 'philosophy_on.gif';
onstate['portraits'] = new Image ();
onstate['portraits'].src = imagedir + 'portraits_on.gif';
onstate['dummy'] = new Image ();
onstate['dummy'].src = imagedir + 'spacer.gif';


// Rollover functions
function activatenav(whichnav) {
	deactivatenav(activenav);
	imgOn = eval('onstate[whichnav].src');
	activenav = whichnav;
/*	if (document.all) { */
		document.images[whichnav].src = imgOn;
 		layerStyleRef = "layer.style.";
 		layerRef = "document.all";
 		styleSwitch = ".style";
/*		} else if (document.layers) {
		document.divnavmain.document.images[whichnav].src = imgOn;
		layerStyleRef = "layer.";
		layerRef = "document.layers";
		styleSwitch = "";
	}*/
	if (whichnav == "weddings" || whichnav == "portraits") {
		activatesubnav(whichnav);
	}
}

function deactivatenav(whichnav) {
	imgOff = eval('offstate[whichnav].src');
/*	if (document.all) {*/
		document.images[whichnav].src = imgOff;
/*	} else if (document.layers) {
		document.divnavmain.document.images[whichnav].src = imgOff;
	}*/
	if (activenav == "weddings" || activenav == "portraits") {
		deactivatesubnav(activenav);
	}
}

function activatesubnav(whichsubnav) {
	eval(layerRef + '["divsubnav' + whichsubnav + '"]' + styleSwitch + '.visibility="visible"');
}

function deactivatesubnav(whichsubnav) {
	eval(layerRef + '["divsubnav' + whichsubnav + '"]' + styleSwitch + '.visibility="hidden"');
}