var prev_menu = "";
function initMenus() {
	//Hide sublinks
	jQuery('ul#left-nav ul').hide();
	
	var url = document.URL;
	urlArray = url.split("informatie/");
	urlArray = urlArray[1].split("/");
	openMenu = urlArray[0];
	
	if(openMenu)
	{		
		jQuery("#" + openMenu + " p").removeClass('menu_closed').addClass('menu_open');	
		jQuery("#" + openMenu + " > ul").slideDown(0);
		prev_menu = openMenu;
	};	

	jQuery('ul#left-nav li p.parent').click(function() 
	{		
		if(prev_menu != this.parentNode.id)
		{
			//Close previous menu
			if(prev_menu)
			{
				jQuery("#" + prev_menu + " > ul").slideUp();
				if( jQuery("#" + prev_menu + " p").hasClass('menu_open') )
				{
					jQuery("#" + prev_menu + " p").removeClass('menu_open').addClass('menu_closed');	
				}
			}
	
			if( jQuery("#" + this.parentNode.id + " p").hasClass('menu_closed') )
			{
				jQuery("#" + this.parentNode.id + " p").removeClass('menu_closed').addClass('menu_open');	
			}
			//Slide our menu
			jQuery("#" + this.parentNode.id + " > ul").slideDown();			
			
			//Save current clicked menu to our previous menu
			prev_menu = this.parentNode.id;			
		}
	});
}

jQuery(document).ready(
	function() 
	{
		if(!checkVersion())
		{
			var url = document.URL;
			if(url.search(/informatie/i) != -1 )
			{
				initMenus();
			}
		}
	}
);

function getInternetExplorerVersion()
//Returns the version of Internet Explorer or a -1
//(indicating the use of another browser).
{
	var rv = -1; // Return value assumes failure.
	if (navigator.appName == 'Microsoft Internet Explorer')
	{
	 var ua = navigator.userAgent;
	 var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
	 if (re.exec(ua) != null)
	   rv = parseFloat( RegExp.$1 );
	}
	return rv;
}
function checkVersion()
{
	var isIE = false;	
	var ver = getInternetExplorerVersion();

	if ( ver > -1 )
	{
	   isIE = true;	
	}
	return isIE;
}