//GoPrevious(<?=$counterItem-1?>);
//GoNext(<?=$counterItem+1?>);
//GoToItem()

function GoToItem(value, current){
	sc = document.getElementById("showcase"+value);
	sc2 = document.getElementById("showcase"+current);
	if(value != current){
		sc.style.display="block";
		sc2.style.display="none";
	}
}
function GoPrevious(value, current){
	sc = document.getElementById("showcase"+value);
	sc2 = document.getElementById("showcase"+current);
	sc.style.display="block";
	sc2.style.display="none";
}
function GoNext(value, current){
	sc = document.getElementById("showcase"+value);
	sc2 = document.getElementById("showcase"+current);
	sc.style.display="block";
	sc2.style.display="none";
}