function refreshPage (where,pic,thisButton) {
   document.portfolio.src = '/images/'+where+'/'+pic;
   	var replace = document.getElementsByTagName('img');
	for (var i=0;i<replace.length;i++)
	{
		if (replace[i].id == "button")
		{
			replace[i].src = '/images/icons/bttn_green.jpg';
		}
	}
   thisButton.src='/images/icons/bttn_org.jpg';
   oldButtonImage = thisButton.src;
   oldPortfolioImage = document.portfolio.src;
}

function swapButton(where,pic,thisButton){
   oldButtonImage = thisButton.src;
   thisButton.src ='/images/icons/bttn_org.jpg';
   oldPortfolioImage = document.portfolio.src;
   document.portfolio.src = '/images/'+where+'/'+pic;

}

function restoreButton(thisButton){
   thisButton.src = oldButtonImage;
   document.portfolio.src = oldPortfolioImage;
}