/***********************************************
* Switch Menu script- by Martial B of http://getElementById.com/
* Modified by Dynamic Drive for format & NS4/IE4 compatibility
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

var persistmenu="yes" //"yes" or "no". Make sure each SPAN content contains an incrementing ID starting at 1 (id="sub1", id="sub2", etc)
var persisttype="sitewide" //enter "sitewide" for menu to persist across site, "local" for this page only

if (document.getElementById){ //DynamicDrive.com change
document.write('<style type="text/css">\n')
document.write('.submenu{display: none;}\n')
document.write('</style>\n')
}

function SwitchMenu(obj){
if(document.getElementById){
var el = document.getElementById(obj);
var ar = document.getElementById("masterdiv").getElementsByTagName("span"); //DynamicDrive.com change
if(el.style.display != "block"){ //DynamicDrive.com change
for (var i=0; i<ar.length; i++){
if (ar[i].className=="submenu") //DynamicDrive.com change
ar[i].style.display = "none";
}
el.style.display = "block";
}else{
el.style.display = "none";
}
}
}


function get_cookie(Name) { 
var search = Name + "="
var returnvalue = "";
if (document.cookie.length > 0) {
offset = document.cookie.indexOf(search)
if (offset != -1) { 
offset += search.length
end = document.cookie.indexOf(";", offset);
if (end == -1) end = document.cookie.length;
returnvalue=unescape(document.cookie.substring(offset, end))
}
}
return returnvalue;
}

function onloadfunction(){
if (persistmenu=="yes"){
var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
var cookievalue=get_cookie(cookiename)
if (cookievalue!="")
document.getElementById(cookievalue).style.display="block"
}
}

function savemenustate(){
var inc=1, blockid=""
while (document.getElementById("sub"+inc)){
if (document.getElementById("sub"+inc).style.display=="block"){
blockid="sub"+inc
break
}
inc++
}
var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
var cookievalue=(persisttype=="sitewide")? blockid+";path=/" : blockid
document.cookie=cookiename+"="+cookievalue
}

if (window.addEventListener)
window.addEventListener("load", onloadfunction, false)
else if (window.attachEvent)
window.attachEvent("onload", onloadfunction)
else if (document.getElementById)
window.onload=onloadfunction

if (persistmenu=="yes" && document.getElementById)
window.onunload=savemenustate

var myWidth = 0, myHeight = 0;

//Switch Menu End

function resize() {
	get_dimensions();
	//align_to_bottom($('siteContainer'), 3);
	}

function align_to_bottom(element, offset) {
   var size = element.getSize();
   var navTop = $('topNav').getSize().y + 10;
   //var myFooter = $('theFooter');
   //var footerSize = myFooter.getSize();
   
   element.setStyle('top', navTop);
   //element.setStyle('height', myHeight - navTop - offset);
   
   
   //element.setStyle('top', myHeight - size.y - offset);
   //element.setStyle('top', myHeight - size.y - footerSize.y - offset);
   //myFooter.setStyle('top', myHeight - footerSize.y);
   //myFooter.setStyle('width', myWidth - 20);		// client width - left and right padding
   }
   
function get_dimensions() {
   if( typeof( window.innerWidth ) == 'number' ) {
      //Non-IE
      myWidth = window.innerWidth;
      myHeight = window.innerHeight;
      }
   else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
      //IE 6+ in 'standards compliant mode'
      myWidth = document.documentElement.clientWidth;
      myHeight = document.documentElement.clientHeight;
      }
   else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
      //IE 4 compatible
      myWidth = document.body.clientWidth;
      myHeight = document.body.clientHeight;
      }
   }
   

function showReel(aInt) {
	alert('showreel');
	}
	
function showContent(aInt) {
	location.href = 'aboutus.php?content=' + aInt;
	}

function showGallery(aVisibilityFlag, toshow) {
	// takes a 1 or a 0 (1 for visible or 0 for non-visible)
	toshow = typeof(toshow) != 'undefined' ? toshow : '';
	if (toshow != '') {
		
		$('galleryBackDrop').fade(0.9);
		$('gallery').setStyle('display', 'block');
		document.getElementById('chgMe').src=toshow;
		
	} else 	if (aVisibilityFlag == 1) {
		$('galleryBackDrop').fade(0.9);
		$('gallery').setStyle('display', 'block');
		document.getElementById('chgMe').src='content/gallery/marine_gallery.html';
		}
	else {
		$('galleryBackDrop').fade(0);
		$('gallery').setStyle('display', 'none');	
		}

	}