//Main index page Javascript functions

var LastShownItem = 0;

function HideLastItem(){
	if (LastShownItem > 0){
		HideItem(LastShownItem);
		LastShownItem = 0;
	}
}

function HideItem(ItemNum){
	var B = document.getElementById('Button' + ItemNum);
	if (B != null){
		B.innerHTML = 'View ▼';
	}
	var T = document.getElementById('Text' + ItemNum);
	if (T != null){
		T.style.display = 'none';
		LastShownItem = 0;
	}
}

function ShowItem(ItemNum){
	var B = document.getElementById('Button' + ItemNum);
	if (B != null){
		B.innerHTML = 'Hide ▲';
	}
	var T = document.getElementById('Text' + ItemNum);
	if (T != null){
		T.style.display = 'block';
	}
	LastShownItem = ItemNum;
}

function ShowHideItem(ItemNum){
	var T = document.getElementById('Text' + ItemNum);
	if (T != null){
		if (T.style.display != 'block'){
			HideLastItem();
			ShowItem(ItemNum);
		}
		else{
			HideItem(ItemNum);
		}
	}
}

function StartUp(){
	var ItemNum = parseInt(document.location.search.substring(1, document.location.search.substring.length));
	if (ItemNum > 0){
		ShowItem(ItemNum);
	}
}