function show(obj)
{
	var theTitle = "title" + obj;
	var theOffer = "offer" + obj;
	
	var title = document.getElementById(theTitle);
	var offer = document.getElementById(theOffer);
	
	if ( offer.style.display == "none" ) 
	{

		offer.style.display = '';
		title.style.backgroundImage = "url('images/offer-.jpg')";
	}else {

		offer.style.display = 'none';
		title.style.backgroundImage = "url('images/offer+.jpg')";
	}
}

function showHide(obj)
{
	var theObj = document.getElementById(obj);
	
	if(theObj.style.display == "none") 
	{
		theObj.style.display = '';
	}else{
		theObj.style.display = 'none';
	}
}