/**
* Set display of page element
* s[-1,0,1] = hide,toggle display,show
*/
function dE(n, s, type)
{
	if (!type)
	{
		type = 'block';
	}

	var e = document.getElementById(n);
	if (!s)
	{
		s = (e.style.display == type) ? -1 : 1;
	}
	e.style.display = (s == 1) ? type : 'none';
}


function swapImages(id, action)
{
	switch(action)
	{
		case 'over':
			dE(id + '-image', -1);
			dE(id + '-text', 1);
		break;
		
		default:
		case 'out':
			dE(id + '-image', 1);
			dE(id + '-text', -1);
		break;
	}
	
	return;
}