function leftNav(id) 
{
	if (!document.getElementById || !document.getElementsByTagName)
		return false;
	this.menu = document.getElementById(id);
//		alert(this.menu);
	this.submenus = this.menu.getElementsByTagName("div");

//		alert(this.submenus[0].innerHTML); 
//		alert(this);

//		alert(this.submenus.length);
//		alert(this.submenus[0].name);
	this.remember = true;
	this.speed = 3;
	this.markCurrent = true;
	this.oneSmOnly = true;
}

leftNav.prototype.init = function() 
{
	var mainInstance = this;
	for (var i = 0; i < this.submenus.length; i++)
		this.submenus[i].getElementsByTagName("span")[0].onclick = function() 
		{
			mainInstance.toggleMenu(this.parentNode);
//				alert(mainInstance);
//				alert(this.parentNode);
		};
	if (this.markCurrent) 
	{
		var links = this.menu.getElementsByTagName("a");
		for (var i = 0; i < links.length; i++)
			if (links[i].href == document.location.href) 
			{
				//links[i].className = "current";
			//	alert("hello");
			//	var parent = links[i].parentElement;
			//	alert(parent);
				if(links[i].parentNode.id == "facilities_menu")
				{
					links[i].className = "facilitiesIsCurrent";		

					var span = document.getElementById("facilities_a");
					span.className = "facilitiesIsCurrent";
				}

				else if(links[i].parentNode.id == "studios_menu")
				{
					links[i].className = "studiosIsCurrent";	

					var span = document.getElementById("studios_a");
					span.className = "studiosIsCurrent";
				}
				
				else if(links[i].parentNode.id == "post_menu")
				{
					links[i].className = "postIsCurrent";	

					var span = document.getElementById("post_a");
					span.className = "postIsCurrent";
				}				

				break;
			}
	}
	if (this.remember) {
		var regex = new RegExp("leftNav_" + encodeURIComponent(this.menu.id) + "=([01]+)");
		var match = regex.exec(document.cookie);
		if (match) 
		{
			var states = match[1].split("");
			for (var i = 0; i < states.length; i++)
				this.submenus[i].className = (states[i] == 0 ? "collapsed" : "");
		}
	}
};
leftNav.prototype.toggleMenu = function(submenu) 
{
	if (submenu.className == "collapsed")
	{
		this.expandMenu(submenu);
	}
	else
	{
		this.collapseMenu(submenu);
	}
};
leftNav.prototype.expandMenu = function(submenu) 
{
	var fullHeight = submenu.getElementsByTagName("span")[0].offsetHeight;
	var links = submenu.getElementsByTagName("a");
	for (var i = 0; i < links.length; i++)
		fullHeight += links[i].offsetHeight;
	var moveBy = Math.round(this.speed * links.length);
	
	var mainInstance = this;
	var intId = setInterval(function() 
	{
		var curHeight = submenu.offsetHeight;
		var newHeight = curHeight + moveBy;
		if (newHeight < fullHeight)
			submenu.style.height = newHeight + "px";
		else 
		{
			clearInterval(intId);
			submenu.style.height = "";
			submenu.className = "";
			mainInstance.memorize();
		}
	}, 30);
	this.collapseOthers(submenu);
};
leftNav.prototype.collapseMenu = function(submenu) 
{
	var minHeight = submenu.getElementsByTagName("span")[0].offsetHeight;
	var moveBy = Math.round(this.speed * submenu.getElementsByTagName("a").length);
	var mainInstance = this;
	var intId = setInterval(function() 
	{
		var curHeight = submenu.offsetHeight;
		var newHeight = curHeight - moveBy;
		if (newHeight > minHeight)
			submenu.style.height = newHeight + "px";
		else {
			clearInterval(intId);
			submenu.style.height = "";
			submenu.className = "collapsed";
			mainInstance.memorize();
		}
	}, 30);
};
leftNav.prototype.collapseOthers = function(submenu) 
{
	if (this.oneSmOnly) 
	{
		for (var i = 0; i < this.submenus.length; i++)
			if (this.submenus[i] != submenu && this.submenus[i].className != "collapsed")
				this.collapseMenu(this.submenus[i]);
	}
};
leftNav.prototype.expandAll = function() 
{
	var oldOneSmOnly = this.oneSmOnly;
	this.oneSmOnly = false;
	for (var i = 0; i < this.submenus.length; i++)
		if (this.submenus[i].className == "collapsed")
			this.expandMenu(this.submenus[i]);
	this.oneSmOnly = oldOneSmOnly;
};
leftNav.prototype.collapseAll = function() 
{
	for (var i = 0; i < this.submenus.length; i++)
		if (this.submenus[i].className != "collapsed")
			this.collapseMenu(this.submenus[i]);
};
leftNav.prototype.memorize = function() 
{
	if (this.remember) 
	{
		var states = new Array();
		for (var i = 0; i < this.submenus.length; i++)
			states.push(this.submenus[i].className == "collapsed" ? 0 : 1);
		var d = new Date();
		d.setTime(d.getTime() + (30 * 24 * 60 * 60 * 1000));
		document.cookie = "leftNav_" + encodeURIComponent(this.menu.id) + "=" + states.join("") + "; expires=" + d.toGMTString() + "; path=/";
	}
};
	
	

var myMenu;
window.onload = function() 
{
	document.createElement("div");
	myMenu = new leftNav("my_menu");
	myMenu.init();

	if(document.getElementById("slideshowStudio"))
	{
		var slideShowPictures = new Array('/scotland/pq/images/slideshow/image12.jpg', '/scotland/pq/images/slideshow/image13.jpg', '/scotland/pq/images/slideshow/image11.jpg', '/scotland/pq/images/slideshow/image14.jpg', '/scotland/pq/images/slideshow/image15.jpg', '/scotland/pq/images/slideshow/image16.jpg', '/scotland/pq/images/slideshow/image17.jpg', '/scotland/pq/images/slideshow/image19.jpg', '/scotland/pq/images/slideshow/image20.jpg', '/scotland/pq/images/slideshow/image18.jpg');
		var gallery = startSlideShow(slideShowPictures);
	}
	else if(document.getElementById("slideshow"))
	{
		var slideShowPictures = new Array('/scotland/pq/images/slideshow/image1.jpg', '/scotland/pq/images/slideshow/image2.jpg', '/scotland/pq/images/slideshow/image3.jpg', '/scotland/pq/images/slideshow/image4.jpg', '/scotland/pq/images/slideshow/image5.jpg', '/scotland/pq/images/slideshow/image6.jpg', '/scotland/pq/images/slideshow/image7.jpg', '/scotland/pq/images/slideshow/image8.jpg', '/scotland/pq/images/slideshow/image9.jpg', '/scotland/pq/images/slideshow/image10.jpg');
		var gallery = startSlideShow(slideShowPictures);
	}	
	
	return gallery;
};