var sys = navigator.appName;
var vers = parseInt(navigator.appVersion);
var ie4 = ((sys == 'Microsoft Internet Explorer') && (vers >= 4));
if(!document.all) document.all = document;

function mostra(id) {
	if(!document.all[id].style) document.all[id].style = document.all[id];
	if(!window.pageYOffset)  window.pageYOffset = document.body.scrollTop;
	divStyle = document.all[id].style;
	//divStyle.left = 5;
	//divStyle.top = window.pageYOffset+330;
	divStyle.visibility = "visible";
}

function nascondi(id) {
	if(!document.all[id].style) { document.all[id].style = document.all[id] }
	div_id = document.all[id];
	if (ie4) {
		div_id.style.filter = "blendTrans(duration=1.5)";
		//div_id.style.filter = "RevealTrans(Duration=1.00,Transition=2)";
		div_id.filters.blendTrans.apply();
		div_id.filters.blendTrans.play();
		//div_id.filters.RevealTrans.apply();
		//div_id.filters.RevealTrans.play();
		div_id.style.visibility = "hidden"
	}
	else window.setTimeout("nascondi_ntsp(div_id)",1000)
}