// JavaScript Document
function image_on(imageName)
{
	if (imageName == "showCats" || imageName == "hideCats")
	{
		document[imageName].src='/_images/btn_' + imageName + '_on.gif';
	}
	else
	{
		document[imageName].src='/_images/nav_' + imageName + '_on.gif';
	}
}

function image_off(imageName)
{
	if (imageName == "showCats" || imageName == "hideCats")
	{
		document[imageName].src='/_images/btn_' + imageName + '.gif';
	}
	else
	{
		document[imageName].src='/_images/nav_' + imageName + '.gif';
	}
}
//
function click_on()
{
	document.getElementById('closeCats').style.display = 'none';
	document.getElementById('openCats').style.display = 'block';
}

function click_off()
{
	document.getElementById('closeCats').style.display = 'block';
	document.getElementById('openCats').style.display = 'none';
}