function Showlayer(layer)
{
	MM_showHideLayers(layer, '', 'show');
	setTimeout("Hidelayer('"+ layer +"')",3000);
}
function Hidelayer(layer)
{
	MM_showHideLayers(layer, '', 'hide');
}

function AjusteDicas(sDivName, sImageName)
{
	var state = "block";
	if (document.all(sDivName).style.display == "block")
	{
		state = "none";
	}	
	setTipState(state, sDivName, sImageName);
	setCookie("dicascompras", state);
	
	//troca a imagem
	var sImage;
	if (document.all(sDivName).style.display == "none" )
	{
		sImage = "/sites/icones/h_setabaixo.gif";
		document.all(sImageName).alt = "Exibir Ajuda"; 
	}
	else
	{
		sImage = "/sites/icones/h_setacima.gif";
		document.all(sImageName).alt = "Ocultar Ajuda";
	}

	document.all(sImageName).src = sImage;	
}

function restoreTipState(sDivName, sImageName)
{
	var state = getCookie("dicascompras");
	if ("" != state)
	{
		setTipState(state, sDivName, sImageName);
	}
}

function setTipState(state, sDivName, sImageName)
{	
	document.all(sDivName).style.display = state;
  	if (state == "none")
	{
		document.all(sImageName).src = "/sites/icones/h_setabaixo.gif";
		document.all(sImageName).alt = "Exibir Ajuda"; 
	}
  	else
	{
		document.all(sImageName).src = "/sites/icones/h_setabaixo.gif";
		document.all(sImageName).alt = "Exibir Ajuda"; 
	}
}

function setCookie(name, value)
{
	var daysUntilExp = 360;
	var expiryDate = new Date();
	expiryDate.setTime(expiryDate.getTime() + (daysUntilExp*24*60*60*1000));
	
	var sCookie = name + "=" + escape(value) + "; expires=" + expiryDate.toGMTString() + "; path=/;";
	document.cookie = sCookie;
}

function getCookie( name )
{
	var cookie = document.cookie;
	if (cookie.length > 0)
	{		
		var searchPattern = name + "=";
		var i = cookie.search(searchPattern);
		if (-1 != i)
		{
			return unescape(cookie.substr(i + searchPattern.length).split(";")[0]);
		}
	}
	return "";
}