/*
Global "swap" holder
Use value, null, if no layer initially visible
*/


var currLayerId = "text0";

function togLayer(id)
{
if(currLayerId) setDisplay(currLayerId, "none");
if(id)setDisplay(id, "block");
currLayerId = id;
}

function setDisplay(id,value)
{
var elm = document.getElementById(id);
elm.style.display = value;
}


function showUser(str)
{
document.getElementById("txtHint").innerHTML="<div style='text-align=center;'><br><br><br><br><br><br><center><img src='http://www.musiclinker.it/e107_images/loader.gif' /></center></div>";
if (str=="")
  {
  document.getElementById("txtHint").innerHTML="";
  return;
  }
if (window.XMLHttpRequest)
  {// code for IE7+, Firefox, Chrome, Opera, Safari
  xmlhttp=new XMLHttpRequest();
  }
else
  {// code for IE6, IE5
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
xmlhttp.onreadystatechange=function()
  {
  if (xmlhttp.readyState==4 && xmlhttp.status==200)
    {
      document.getElementById("txtHint").innerHTML=xmlhttp.responseText;
    }
  }
xmlhttp.open("GET","http://www.musiclinker.it/e107_plugins/postadige_menu/postadige_menu.php?ID_RUB="+str,true);
xmlhttp.send();
}

function checkCopy(theForm) {
	if (theForm.copyright.checked == false) 
	{
		alert ('Devi accettare la dichiarazione sul copyright!!');
		return false;
	} else { 	
		return true;
	}
}