function ChangeImg (img)
{
	Ele("p_mediaBox").style.background = "url(/image/portfolio/" + img + "_big.jpg) center center no-repeat";
}

function Ele(obj)
{
	return document.getElementById(obj);	
}

function BHover(obj)
{
	o = Ele(obj);
	
	o.src = "/image/" + obj + "-red.jpg";
}

function BUnHover(obj)
{
	o = Ele(obj);
	
	o.src = "/image/" + obj + ".jpg";
}