var active_menuitem = "none";

function LoadContent( get_key , get_id )
{
    var req = CreateRequest();

    req.onreadystatechange = function()
	{ 
		ChangeContent('ajax_content', '<h2>loading</h2><img src="./images/ajax.gif" />');
			
		if(req.readyState == 4)
		{
			if(req.status == 200)
			{
		        var data = req.responseText;   // Assign the XML file to a var
		        ChangeContent('ajax_content', data);
			}	
			else	
			{
			    ChangeContent('ajax_content', "No valid result...");
			}
		} 
	}; 
	
	req.open("GET", "./index.php?" + get_key + "=" + get_id + "&ajax", true); 
	req.send(null); 
}

function ActiveMenu( id , inactive_class, active_class )
{
    ChangeClass(active_menuitem, inactive_class); 
    ChangeClass(id, active_class); 
    active_menuitem = id;    
}