function showItem(item) {
	blockItem = document.getElementById(item);
	blockItem.style.display = "block";
}

function hideItem(item) {
	blockItem = document.getElementById(item);
	blockItem.style.display = "none";
}

function ShowHide(item){
	blockItemHide = document.getElementById("hide_"+item);
	blockItemShow = document.getElementById("show_"+item);
	if(blockItemHide.style.display == "none") {
		blockItemHide.style.display = "block";	
		blockItemShow.style.display = "none";	
	}
	else {	
		blockItemHide.style.display = "none";	
		blockItemShow.style.display = "block";
	}
	
	$("#"+item).animate({"height": "toggle"}, { duration: 1000 });
}