// gestione img in tabella step
function step(sel,max)
{
	var i=1;
	while (i<=max)
	{
		document.getElementById('step'+i).src="img/step.gif";
		i++;
	}
	document.getElementById('step'+sel).src="img/step_sel.gif";

}


// solo per primo livello
function showDetailsFirst(divID, icona, gif)
{
   var strShow
       strShow = divID+"Show";
   var strHide
       strHide = divID+"Hide";

   if (document.getElementById(divID).style.display == "none")
   	document.getElementById(divID).style.display = "";
   else
   	document.getElementById(divID).style.display = "none";

   document.getElementById(icona).src=gif;
}

function hideDetailsFirst(divID)
{
   var strShow
       strShow = divID+"Show";
   var strHide
       strHide = divID+"Hide";

   document.getElementById(divID).style.display = "none";
}

// altri livelli
function showDetails(divID)
{
   var strShow
       strShow = divID+"Show";
   var strHide
       strHide = divID+"Hide";

   document.getElementById(divID).style.display = "";
   document.getElementById(strShow).style.display = "none";
   document.getElementById(strHide).style.display = "";
}

function hideDetails(divID)
{
   var strShow
       strShow = divID+"Show";
   var strHide
       strHide = divID+"Hide";

   document.getElementById(divID).style.display = "none";
   document.getElementById(strShow).style.display = "";
   document.getElementById(strHide).style.display = "none";
}