var gSomeItemDisplayed = 0;

function showDisplayedFirstItem(pItemId)
{
//	alert("showDisplayedFirstItem");

	if (gSomeItemDisplayed != 0)
	{
		hideDisplayedItems(gSomeItemDisplayed);
	}

	showDiv("itemDisplayContainer" + pItemId + "_1");
	gSomeItemDisplayed = pItemId;
}
//___________________________________________

function hideDisplayedItems(pItemId)
{
//	alert("hideDisplayedItems");

	var lDivItem;
	var lArrDisplayedItems;

	lDivItem = document.getElementById("itemContainer" + pItemId); 	
	if ((typeof(lDivItem) != "undefined") && (lDivItem != null))
	{	
		lArrDisplayedItems = lDivItem.getElementsByTagName("div");
		for (var i=0; i < lArrDisplayedItems.length; i++)
		{
			if (lArrDisplayedItems[i].id.indexOf("itemDisplayContainer") != -1)
			{
				hideDiv(lArrDisplayedItems[i].id);
			}
		}
	}
	gSomeItemDisplayed = 0;
}
//___________________________________________

function prevItem(pItemId, pMe, pPrev)
{
//	alert("prevItem");

	if (pPrev != 0)
	{
		hideDiv("itemDisplayContainer" + pItemId + "_" + pMe);
		showDiv("itemDisplayContainer" + pItemId + "_" + pPrev);
	}
}
//___________________________________________

function nextItem(pItemId, pMe, pNext)
{
//	alert("nextItem");

	var lDiv = document.getElementById("itemDisplayContainer" + pItemId + "_" + pNext);
	
	if ((typeof(lDiv) != "undefined") && (lDiv != null))
	{
		hideDiv("itemDisplayContainer" + pItemId + "_" + pMe);
		showDiv("itemDisplayContainer" + pItemId + "_" + pNext);
	}
}
//___________________________________________
//___________________________________________

function showDiv(pDivId)
{
	var lDiv = document.getElementById(pDivId);
	
	if ((typeof(lDiv) != "undefined") && (lDiv != null))
	{
		lDiv.style.visibility = "visible";	
	}
}
//___________________________________________

function hideDiv(pDivId)
{
	var lDiv = document.getElementById(pDivId);
	
	if ((typeof(lDiv) != "undefined") && (lDiv != null))
	{
		lDiv.style.visibility = "hidden";
	}
}
//___________________________________________