document.observe('dom:loaded', function()
{
    $$('.primary-links').each(function(el)
    {
    	if(!el.hasClassName('active-link'))
    	{
    		el.down('img').hide();
    	
	        el.observe('mouseover', function()
	        {
	            new Effect.Appear(el.down('img'), { duration: 0.3 });            
	        });
	        
	        if(agent == 'Internet Explorer')
	        {
	            el.down('img').observe('mouseout', function()
	            {
	                new Effect.Fade(el.down('img'), { duration: 0.3 });
	            });            
	        }
	        else
	        {
	            el.observe('mouseout', function()
	            {
	                new Effect.Fade(el.down('img'), { duration: 0.3 });
	            });
	        }
    	}
    });
});

function hide_block(block)
{
	if ($(block).getStyle('display') != 'none') new Effect.SwitchOff(block);
}

function show_block(block)
{
	if ($(block).getStyle('display') == 'none')	new Effect.BlindDown(block);					
}

function err(t)
{
	alert('Error ' + t.status + ' -- ' + t.statusText);
}